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1. Elucidation of a novel pathogenomic mechanism using genome-wide long mate-pair sequencing of a congenital t(16;21) in a series of three RUNX1-mutated FPD/AML pedigrees

Author: Buijs, A, Poot, M, van der Crabben, S, van der Zwaag, B, van Binsbergen, E, van Roosmalen, M J, Tavakoli-Yaraki, M, de Weerdt, O, Nieuwenhuis, H K, van Gijn, M, and Kloosterman, W P
Published: 2012
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2. CSNK2B: A broad spectrum of neurodevelopmental disability and epilepsy severity

Author: Ernst, ME, Baugh, EH, Thomas, A, Bier, L, Lippa, N, Stong, N, Mulhern, MS, Kushary, S, Akman, CI, Heinzen, EL, Yeh, R, Bi, W, Hanchard, NA, Burrage, LC, Leduc, MS, Chong, JSC, Bend, R, Lyons, MJ, Lee, JA, Suwannarat, P, Brilstra, E, Simon, M, Koopmans, M, van Binsbergen, E, Groepper, D, Fleischer, J, Nava, C, Keren, B, Mignot, C, Mathieu, S, Mancini, GMS, Madan-Khetarpal, S, Infante, EM, Bluvstein, J, Seeley, A, Bachman, K, Klee, EW, Schultz-Rogers, LE, Hasadsri, L, Barnett, S, Ellingson, MS, Ferber, MJ, Narayanan, V, Ramsey, K, Rauch, A, Joset, P, Steindl, K, Sheehan, T, Poduri, A, Vasquez, A, Ruivenkamp, C, White, SM, Pais, L, Monaghan, KG, Goldstein, DB, Sands, TT, Aggarwal, V, Ernst, ME, Baugh, EH, Thomas, A, Bier, L, Lippa, N, Stong, N, Mulhern, MS, Kushary, S, Akman, CI, Heinzen, EL, Yeh, R, Bi, W, Hanchard, NA, Burrage, LC, Leduc, MS, Chong, JSC, Bend, R, Lyons, MJ, Lee, JA, Suwannarat, P, Brilstra, E, Simon, M, Koopmans, M, van Binsbergen, E, Groepper, D, Fleischer, J, Nava, C, Keren, B, Mignot, C, Mathieu, S, Mancini, GMS, Madan-Khetarpal, S, Infante, EM, Bluvstein, J, Seeley, A, Bachman, K, Klee, EW, Schultz-Rogers, LE, Hasadsri, L, Barnett, S, Ellingson, MS, Ferber, MJ, Narayanan, V, Ramsey, K, Rauch, A, Joset, P, Steindl, K, Sheehan, T, Poduri, A, Vasquez, A, Ruivenkamp, C, White, SM, Pais, L, Monaghan, KG, Goldstein, DB, Sands, TT, and Aggarwal, V
Abstract: CSNK2B has recently been implicated as a disease gene for neurodevelopmental disability (NDD) and epilepsy. Information about developmental outcomes has been limited by the young age and short follow-up for many of the previously reported cases, and further delineation of the spectrum of associated phenotypes is needed. We present 25 new patients with variants in CSNK2B and refine the associated NDD and epilepsy phenotypes. CSNK2B variants were identified by research or clinical exome sequencing, and investigators from different centers were connected via GeneMatcher. Most individuals had developmental delay and generalized epilepsy with onset in the first 2 years. However, we found a broad spectrum of phenotypic severity, ranging from early normal development with pharmacoresponsive seizures to profound intellectual disability with intractable epilepsy and recurrent refractory status epilepticus. These findings suggest that CSNK2B should be considered in the diagnostic evaluation of patients with a broad range of NDD with treatable or intractable seizures.
Published: 2021

3. Resorbable rods and screws for the fixation of ankle fractures. A prospective randomized clinical trial: Eine randomisierte klinische Prospektivstudie

Author: Springer, M. A., van Binsbergen, E. A., Patka, P., Bakker, F. C., and Haarman, H. J. T. M.
Published: 1998
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4. Defining the Effect of the 16p11.2 Duplication on Cognition, Behavior, and Medical Comorbidities

Author: D'Angelo, D., Lebon, S., Chen, Q., Martin-Brevet, S., Snyder, L. G., Hippolyte, L., Hanson, E., Maillard, A. M., Faucett, W. A., Mace, A., Pain, A., Bernier, R., Chawner, S. J. R. A., David, A., Andrieux, J., Aylward, E., Baujat, G., Caldeira, I., Conus, P., Ferrari, C., Forzano, F., Gerard, M., Goin-Kochel, R. P., Grant, E., Hunter, J. V., Isidor, B., Jacquette, A., Jonch, A. E., Keren, B., Lacombe, D., Le Caignec, C., Martin, C. L., Mannik, K., Metspalu, A., Mignot, C., Mukherjee, P., Owen, M. J., Passeggeri, M., Rooryck-Thambo, C., Rosenfeld, J. A., Spence, S. J., Steinman, K. J., Tjernagel, J., Van Haelst, M., Shen, Y., Draganski, B., Sherr, E. H., Ledbetter, D. H., van den Bree, M. B. M., Beckmann, J. S., Spiro, J. E., Reymond, A., Jacquemont, S., Chung, W. K., Knoers, N. V. A. M., Martinet, D., Belfiore, M., Cuvellier, J. -C., Devries, B., Delrue, M. -A., Doco-Fenzy, M., Lebel, R., Leheup, B., Lewis, S., Mencarelli, M. A., Minet, J. -C., Vincent-Delorme, C., Moerman, A., Mucciolo, M., Ounap, K., Rajcan-Separovic, E., Renieri, A., Sanlaville, D., Faas, B. H., Koolen, D. A., Vulto-Van Silfhout, A., de Leeuw, N., Rosanfeld, J. A., Filges, I., Achatz, E., Roetzer, K. M., Bonneau, D., Guichet, A., Lazaro, L., Plessis, G., Kroisel, P. M., Reis, A., Jonveaux, P., Chantot-Bastaraud, S., Rauch, A., Demeer, B., Nordgren, A., Labalme, A., Ferrarini, A., Ramelli, G. P., Guilmatre, A., Joly-Helas, G., Haize, S., Layet, V., Le Gallic, S., de Freminville, B., Touraine, R., Van Binsbergen, E., Mathieu-Dramard, M., Barth, M., Blaumeiser, B., Masurel, A., Cailler, P., Olivier-Faivre, L., Malacarne, M., Coutton, C., Dieterich, K., Satre, V., Wallgren-Pettersson, C., Tensgrom, C., Kaksonen, S., Duban-Bedu, B., Holder, M., Rossi, M., Gaillard, D., Bock, D., Bednarek, N., Guillin, O., Bizzarri, V., Flori, E., Silengo, M., Kooy, R. F., Aboura, A., Beri, M., Delobel, B., Drunat, S., Jaros, Z., Kolk, A., Reigo, A., Zufferey, F., Beckmann, N., Faravelli, F., Alupay, H., Aaronson, B., Ackerman, S., Ankenman, K., Anwar, A., Atwell, C., Bowe, A., Beaudet, A. L., Benedetti, M., Berg, J., Berman, J., Berry, L. N., Bibb, A. L., Blaskey, L., Brennan, J., Brewton, C. M., Buckner, R., Bukshpun, P., Burko, J., Cali, P., Cerban, B., Chang, Y., Cheong, M., Chow, V., Chu, Z., Chudnovskaya, D., Cornew, L., Dale, C., Dell, J., Dempsey, A. G., Deschamps, T., Earl, R., Edgar, J., Elgin, J., Endre, J., Evans, Y. L., Findlay, A., Fischbach, G. D., Fisk, C., Fregeau, B., Gaetz, B., Gaetz, L., Garza, S., Gerdts, J., Glenn, O., Gobuty, S. E., Golembski, R., Greenup, M., Heiken, K., Hines, K., Hinkley, L., Jackson, F. I., Jenkins, J., Jeremy, R. J., Johnson, K., Kanne, S. M., Kessler, S., Khan, S. Y., Ku, M., Kuschner, E., Laakman, A. L., Lam, P., Lasala, M. W., Lee, H., La, K., Levy, S., Lian, A., Llorens, A. V., Loftus, K., Luks, T. L., Marco, E. J., Martin, S., Martin, A. J., Marzano, G., Masson, C., Mcgovern, K. E., Keehn, R. M., Miller, D. T., Miller, F. K., Moss, T. J., Murray, R., Nagarajan, S. S., Nowell, K. P., Owen, J., Paal, A. M., Packer, A., Page, P. Z., Paul, B. M., Peters, A., Peterson, D., Poduri, A., Pojman, N. J., Porche, K., Proud, M. B., Qasmieh, S., Ramocki, M. B., Reilly, B., Roberts, T. P. L., Shaw, D., Sinha, T., Smith, B., Snow, A., Swarnakar, V., Thieu, T., Triantafallou, C., Vaughan, R., Wakahiro, M., Wallace, A., Ward, T., Wenegrat, J., Wolken, A., Blaumeiser, Bettina, Kooy, Frank, Other departments, Cardiff University Experiences of Children With Copy Number Variants (ECHO) Study, 16p11.2 European Consortium, Simons Variation in Individuals Project (VIP) Consortium, Knoers, VA., Martinet, D., Belfiore, M., Cuvellier, JC., de Vries, B., Delrue, MA., Doco-Fenzy, M., Lebel, R., Leheup, B., Lewis, S., Mencarelli, MA., Minet, JC., Vincent-Delorme, C., Moerman, A., Mucciolo, M., Ounap, K., Rajcan-Separovic, E., Renieri, A., Sanlaville, D., Faas, BH., Koolen, DA., Vulto-van Silfhout, A., de Leeuw, N., Rosenfeld, JA., Filges, I., Achatz, E., Roetzer, KM., Bonneau, D., Guichet, A., Lazaro, L., Plessis, G., Kroisel, PM., Reis, A., Jonveaux, P., Chantot-Bastaraud, S., Rauch, A., Demeer, B., Nordgren, A., Labalme, A., Ferrarini, A., Ramelli, GP., Guilmatre, A., Joly-Helas, G., Haize, S., Layet, V., Le Gallic, S., de Fréminville, B., Touraine, R., Van Binsbergen, E., Mathieu-Dramard, M., Barth, M., Blaumeiser, B., Masurel, A., Cailler, P., Olivier-Faivre, L., Malacarne, M., Coutton, C., Dieterich, K., Satre, V., Wallgren-Pettersson, C., Tensgrom, C., Kaksonen, S., Duban-Bedu, B., Holder, M., Rossi, M., Gaillard, D., Bock, D., Bednarek, N., Guillin, O., Bizzarri, V., Flori, E., Silengo, M., Kooy, RF., Aboura, A., Beri, M., Delobel, B., Drunat, S., Jaros, Z., Kolk, A., Reigo, A., Zufferey, F., Beckmann, N., Faravelli, F., Alupay, H., Aaronson, B., Ackerman, S., Ankenman, K., Anwar, A., Atwell, C., Bowe, A., Beaudet, AL., Benedetti, M., Berg, J., Berman, J., Berry, LN., Bibb, AL., Blaskey, L., Brennan, J., Brewton, CM., Buckner, R., Bukshpun, P., Burko, J., Cali, P., Cerban, B., Chang, Y., Cheong, M., Chow, V., Chu, Z., Chudnovskaya, D., Cornew, L., Dale, C., Dell, J., Dempsey, AG., Deschamps, T., Earl, R., Edgar, J., Elgin, J., Olson, JE., Evans, YL., Findlay, A., Fischbach, GD., Fisk, C., Fregeau, B., Gaetz, B., Gaetz, L., Garza, S., Gerdts, J., Glenn, O., Gobuty, SE., Golembski, R., Greenup, M., Heiken, K., Hines, K., Hinkley, L., Jackson, FI., Jenkins J.<Suffix>3rd</Suffix>, Jeremy, RJ., Johnson, K., Kanne, SM., Kessler, S., Khan, SY., Ku, M., Kuschner, E., Laakman, AL., Lam, P., Lasala, MW., Lee, H., LaGuerre, K., Levy, S., Lian Cavanagh, A., Llorens, AV., Loftus Campe, K., Luks, TL., Marco, EJ., Martin, S., Martin, AJ., Marzano, G., Masson, C., McGovern, KE., McNally Keehn, R., Miller, DT., Miller, FK., Moss, TJ., Murray, R., Nagarajan, SS., Nowell, KP., Owen, J., Paal, AM., Packer, A., Page, PZ., Paul, BM., Peters, A., Peterson, D., Poduri, A., Pojman, NJ., Porche, K., Proud, MB., Qasmieh, S., Ramocki, MB., Reilly, B., Roberts, TP., Shaw, D., Sinha, T., Smith-Packard, B., Snow Gallagher, A., Swarnakar, V., Thieu, T., Triantafallou, C., Vaughan, R., Wakahiro, M., Wallace, A., Ward, T., Wenegrat, J., Wolken, A., Human genetics, Amsterdam Neuroscience - Complex Trait Genetics, and Amsterdam Reproduction & Development (AR&D)
Subjects: Male, 0301 basic medicine, Proband, Pediatrics, Autism Spectrum Disorder, Developmental Disabilities, Chromosome Disorders, Comorbidity, Nonverbal learning disorder, Cohort Studies, Cognition, 0302 clinical medicine, Cerebellum, Chromosome Duplication, Gene duplication, Copy-number variation, Non-U.S. Gov't, Child, 2. Zero hunger, Intelligence quotient, Research Support, Non-U.S. Gov't, Middle Aged, Psychiatry and Mental health, Microcephaly, Female, Schizophrenic Psychology, Chromosome Deletion, Psychology, Rare cancers Radboud Institute for Health Sciences [Radboudumc 9], Human, Adult, medicine.medical_specialty, Adolescent, DNA Copy Number Variations, Research Support, Nervous System Malformations, Article, Chromosomes, Young Adult, 03 medical and health sciences, Intellectual Disability, Journal Article, medicine, Humans, Autistic Disorder, Preschool, Psychiatry, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], Epilepsy, Pair 16, Other Research Radboud Institute for Health Sciences [Radboudumc 0], Case-control study, Autism Spectrum Disorder/epidemiology, Autism Spectrum Disorder/genetics, Autistic Disorder/epidemiology, Autistic Disorder/genetics, Case-Control Studies, Cerebellum/abnormalities, Child, Preschool, Chromosome Disorders/epidemiology, Chromosome Disorders/genetics, Chromosomes, Human, Pair 16/genetics, Developmental Disabilities/epidemiology, Developmental Disabilities/genetics, Epilepsy/epidemiology, Epilepsy/genetics, Intellectual Disability/epidemiology, Intellectual Disability/genetics, Microcephaly/epidemiology, Microcephaly/genetics, Nervous System Malformations/epidemiology, Nervous System Malformations/genetics, Schizophrenia/epidemiology, Schizophrenia/genetics, medicine.disease, 030104 developmental biology, Chromosomes, Human, Pair 16, Schizophrenia, Autism, Human medicine, 030217 neurology & neurosurgery
Abstract: Contains fulltext : 167711.pdf (Publisher’s version ) (Closed access) IMPORTANCE: The 16p11.2 BP4-BP5 duplication is the copy number variant most frequently associated with autism spectrum disorder (ASD), schizophrenia, and comorbidities such as decreased body mass index (BMI). OBJECTIVES: To characterize the effects of the 16p11.2 duplication on cognitive, behavioral, medical, and anthropometric traits and to understand the specificity of these effects by systematically comparing results in duplication carriers and reciprocal deletion carriers, who are also at risk for ASD. DESIGN, SETTING, AND PARTICIPANTS: This international cohort study of 1006 study participants compared 270 duplication carriers with their 102 intrafamilial control individuals, 390 reciprocal deletion carriers, and 244 deletion controls from European and North American cohorts. Data were collected from August 1, 2010, to May 31, 2015 and analyzed from January 1 to August 14, 2015. Linear mixed models were used to estimate the effect of the duplication and deletion on clinical traits by comparison with noncarrier relatives. MAIN OUTCOMES AND MEASURES: Findings on the Full-Scale IQ (FSIQ), Nonverbal IQ, and Verbal IQ; the presence of ASD or other DSM-IV diagnoses; BMI; head circumference; and medical data. RESULTS: Among the 1006 study participants, the duplication was associated with a mean FSIQ score that was lower by 26.3 points between proband carriers and noncarrier relatives and a lower mean FSIQ score (16.2-11.4 points) in nonproband carriers. The mean overall effect of the deletion was similar (-22.1 points; P < .001). However, broad variation in FSIQ was found, with a 19.4- and 2.0-fold increase in the proportion of FSIQ scores that were very low (100) compared with the deletion group (P < .001). Parental FSIQ predicted part of this variation (approximately 36.0% in hereditary probands). Although the frequency of ASD was similar in deletion and duplication proband carriers (16.0% and 20.0%, respectively), the FSIQ was significantly lower (by 26.3 points) in the duplication probands with ASD. There also were lower head circumference and BMI measurements among duplication carriers, which is consistent with the findings of previous studies. CONCLUSIONS AND RELEVANCE: The mean effect of the duplication on cognition is similar to that of the reciprocal deletion, but the variance in the duplication is significantly higher, with severe and mild subgroups not observed with the deletion. These results suggest that additional genetic and familial factors contribute to this variability. Additional studies will be necessary to characterize the predictors of cognitive deficits.
Published: 2016
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5. De Novo Missense Substitutions in the Gene Encoding CDK8, a Regulator of the Mediator Complex, Cause a Syndromic Developmental Disorder

Author: Calpena, E, Hervieu, A, Kaserer, T, Swagemakers, SMA, Goos, JAC, Popoola, O, Ruiz, MJ, Dieber, T, Bownass, L, Brilstra, EH, Brimble, E, Foulds, N, Grebe, TA, Harder, AVE, Lees, MM, Monaghan, KG, Newbury-Ecob, RA, Ong, K-R, Osio, D, Santos, FJ, Ruzhnikov, MRZ, Telegrafi, A, van Binsbergen, E, van Dooren, MF, Study, Deciphering Developmental Disorders, van der Spek, PJ, Twigg, SRF, Mathijssen, IMJ, Clarke, PA, Wilkie, A, Pathology, Plastic and Reconstructive Surgery and Hand Surgery, and Clinical Genetics
Subjects: Heart Defects, Congenital, Male, Heterozygote, behavioral disorder, kinase, Developmental Disabilities, CDK8, dominant negative, Mutation, Missense, Cyclin C, Report, Intellectual Disability, Mediator kinase modulopathy, Humans, Exome, Mediator complex, hypotonia, Phosphorylation, Child, Brain, Infant, Syndrome, Cyclin-Dependent Kinase 8, congenital heart disease, de novo mutation, Cyclin-Dependent Kinases, Phenotype, Child, Preschool, Mutation, Female
Abstract: The Mediator is an evolutionarily conserved, multi-subunit complex that regulates multiple steps of transcription. Mediator activity is regulated by the reversible association of a four-subunit module comprising CDK8 or CDK19 kinases, together with cyclin C, MED12 or MED12L, and MED13 or MED13L. Mutations in MED12, MED13, and MED13L were previously identified in syndromic developmental disorders with overlapping phenotypes. Here, we report CDK8 mutations (located at 13q12.13) that cause a phenotypically related disorder. Using whole-exome or whole-genome sequencing, and by international collaboration, we identified eight different heterozygous missense CDK8 substitutions, including 10 shown to have arisen de novo, in 12 unrelated subjects; a recurrent mutation, c.185C>T (p.Ser62Leu), was present in five individuals. All predicted substitutions localize to the ATP-binding pocket of the kinase domain. Affected individuals have overlapping phenotypes characterized by hypotonia, mild to moderate intellectual disability, behavioral disorders, and variable facial dysmorphism. Congenital heart disease occurred in six subjects; additional features present in multiple individuals included agenesis of the corpus callosum, ano-rectal malformations, seizures, and hearing or visual impairments. To evaluate the functional impact of the mutations, we measured phosphorylation at STAT1-Ser727, a known CDK8 substrate, in a CDK8 and CDK19 CRISPR double-knockout cell line transfected with wild-type (WT) or mutant CDK8 constructs. These experiments demonstrated a reduction in STAT1 phosphorylation by all mutants, in most cases to a similar extent as in a kinase-dead control. We conclude that missense mutations in CDK8 cause a developmental disorder that has phenotypic similarity to syndromes associated with mutations in other subunits of the Mediator kinase module, indicating probable overlap in pathogenic mechanisms.
Published: 2019

6. Heterozygous loss-of-function variants of MEIS2 cause a triad of palatal defects, congenital heart defects, and intellectual disability

Author: Verheije, R., Kupchik, G.S., Isidor, B., Kroes, H.Y., Lynch, S.A., Hawkes, L., Hempel, M., Gelb, B.D., Ghoumid, J., D’Amours, G., Chandler, K., Dubourg, C., Loddo, S., Tümer, Z., Shaw-Smith, C., Nizon, M., Shevell, M., Van Hoof, E., Anyane-Yeboa, K., Cerbone, G., Clayton-Smith, J., Cogné, B., Corre, P., Corveleyn, A., De Borre, M., Hjortshøj, T.D., Fradin, M., Gewillig, M., Goldmuntz, E., Hens, G., Lemyre, E., Journel, H., Kini, U., Kortüm, F., Le Caignec, C., Novelli, A., Odent, S., Petit, F., Revah-Politi, A., Stong, N., Strom, T.M., van Binsbergen, E., DDD Study, Devriendt, K., and Breckpot, J.
Subjects: Male, Loss of Function Mutation, Intellectual disability, Genetics(clinical), Non-U.S. Gov't, Child, Genetics (clinical), Heart Defects, Genetics, 0303 health sciences, Congenital/genetics, Research Support, Non-U.S. Gov't, 030305 genetics & heredity, Syndrome, Phenotype, Heart Defects, Congenital/genetics, Cleft Palate, Child, Preschool, Female, Haploinsufficiency, Heart Defects, Congenital, Heterozygote, Adolescent, Transcription Factors/genetics, Locus (genetics), Research Support, Article, N.I.H, 03 medical and health sciences, Young Adult, Research Support, N.I.H., Extramural, Cleft Palate/genetics, Intellectual Disability, medicine, Journal Article, Humans, Preschool, Gene, Loss function, Homeodomain Proteins, business.industry, Chromosome, Extramural, Heterozygote advantage, medicine.disease, Intellectual Disability/genetics, Homeodomain Proteins/genetics, business, Transcription Factors
Abstract: Deletions on chromosome 15q14 are a known chromosomal cause of cleft palate, typically co-occurring with intellectual disability, facial dysmorphism, and congenital heart defects. The identification of patients with loss-of-function variants in MEIS2, a gene within this deletion, suggests that these features are attributed to haploinsufficiency of MEIS2. To further delineate the phenotypic spectrum of the MEIS2-related syndrome, we collected 23 previously unreported patients with either a de novo sequence variant in MEIS2 (9 patients), or a 15q14 microdeletion affecting MEIS2 (14 patients). All but one de novo MEIS2 variant were identified by whole-exome sequencing. One variant was found by targeted sequencing of MEIS2 in a girl with a clinical suspicion of this syndrome. In addition to the triad of palatal defects, heart defects, and developmental delay, heterozygous loss of MEIS2 results in recurrent facial features, including thin and arched eyebrows, short alae nasi, and thin vermillion. Genotype–phenotype comparison between patients with 15q14 deletions and patients with sequence variants or intragenic deletions within MEIS2, showed a higher prevalence of moderate-to-severe intellectual disability in the former group, advocating for an independent locus for psychomotor development neighboring MEIS2.
Published: 2018
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7. OP08.02: The value of genetic testing and morphological examination in children with gastroschisis

Author: Lap, C.C., primary, Manten, G., additional, van Binsbergen, E., additional, Kramer, W., additional, Visser, G., additional, Knoers, N., additional, Pistorius, L., additional, and Lichtenbelt, K., additional
Published: 2017
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8. Delineating SPTAN1 associated phenotypes: From isolated epilepsy to encephalopathy with progressive brain atrophy

Author: Syrbe, S., Harms, F. L., Parrini, E., Montomoli, M., Mutze, U., Helbig, K. L., Polster, T., Albrecht, B., Bernbeck, U., Van Binsbergen, E., Biskup, S., Burglen, L., Denecke, J., Heron, B., Heyne, H. O., Hoffmann, G. F., Hornemann, F., Matsushige, T., Matsuura, R., Kato, M., Korenke, G. C., Kuechler, A., Lammer, C., Merkenschlager, A., Mignot, C., Ruf, S., Nakashima, M., Saitsu, H., Stamberger, H., Pisano, T., Tohyama, J., Weckhuysen, S., Werckx, W., Wickert, J., Mari, F., Verbeek, N. E., Moller, R. S., Koeleman, B., Matsumoto, N., Dobyns, W. B., Lemke, J. R., Kutsche, K., Battaglia, Domenica Immacolata, Guerrini, R., Battaglia D. (ORCID:0000-0003-0491-4021), Syrbe, S., Harms, F. L., Parrini, E., Montomoli, M., Mutze, U., Helbig, K. L., Polster, T., Albrecht, B., Bernbeck, U., Van Binsbergen, E., Biskup, S., Burglen, L., Denecke, J., Heron, B., Heyne, H. O., Hoffmann, G. F., Hornemann, F., Matsushige, T., Matsuura, R., Kato, M., Korenke, G. C., Kuechler, A., Lammer, C., Merkenschlager, A., Mignot, C., Ruf, S., Nakashima, M., Saitsu, H., Stamberger, H., Pisano, T., Tohyama, J., Weckhuysen, S., Werckx, W., Wickert, J., Mari, F., Verbeek, N. E., Moller, R. S., Koeleman, B., Matsumoto, N., Dobyns, W. B., Lemke, J. R., Kutsche, K., Battaglia, Domenica Immacolata, Guerrini, R., and Battaglia D. (ORCID:0000-0003-0491-4021)
Published: 2017

9. Further confirmation of the MED13L haploinsufficiency syndrome

Author: van Haelst, M.M., Monroe, G.R., Duran, K.J., van Binsbergen, E., Breur, J.M.P.J., Giltay, J.C., van Haaften, G.W., van Haelst, M.M., Monroe, G.R., Duran, K.J., van Binsbergen, E., Breur, J.M.P.J., Giltay, J.C., and van Haaften, G.W.
Published: 2015

10. Chromothripsis in Healthy Individuals Affects Multiple Protein-Coding Genes and Can Result in Severe Congenital Abnormalities in Offspring

Author: de Pagter, Mirjam S., van Roosmalen, Markus J., Baas, AF, Renkens, I.J., Duran, KJ, van Binsbergen, E, Tavakoli-Yaraki, Masoumeh, Hochstenbach, Ron, van der Veken, Lars T., Cuppen, Edwin, Kloosterman, Wigard P., de Pagter, Mirjam S., van Roosmalen, Markus J., Baas, AF, Renkens, I.J., Duran, KJ, van Binsbergen, E, Tavakoli-Yaraki, Masoumeh, Hochstenbach, Ron, van der Veken, Lars T., Cuppen, Edwin, and Kloosterman, Wigard P.
Published: 2015

11. Further confirmation of the MED13L haploinsufficiency syndrome

Author: Child Health, Other research (not in main researchprogram), Genetica, Cardiologie, van Haelst, M.M., Monroe, G.R., Duran, K.J., van Binsbergen, E., Breur, J.M.P.J., Giltay, J.C., van Haaften, G.W., Child Health, Other research (not in main researchprogram), Genetica, Cardiologie, van Haelst, M.M., Monroe, G.R., Duran, K.J., van Binsbergen, E., Breur, J.M.P.J., Giltay, J.C., and van Haaften, G.W.
Published: 2015

12. Chromothripsis in Healthy Individuals Affects Multiple Protein-Coding Genes and Can Result in Severe Congenital Abnormalities in Offspring

Author: CMM Groep Kloosterman, Cancer, Genetica Klinische Genetica, Genetica, Genetica Groep Van Haaften, Child Health, Genetica Sectie Genoomdiagnostiek, CMM Sectie Genomics and Bioinformatics, Hubrecht Institute with UMC, de Pagter, Mirjam S., van Roosmalen, Markus J., Baas, AF, Renkens, I.J., Duran, KJ, van Binsbergen, E, Tavakoli-Yaraki, Masoumeh, Hochstenbach, Ron, van der Veken, Lars T., Cuppen, Edwin, Kloosterman, Wigard P., CMM Groep Kloosterman, Cancer, Genetica Klinische Genetica, Genetica, Genetica Groep Van Haaften, Child Health, Genetica Sectie Genoomdiagnostiek, CMM Sectie Genomics and Bioinformatics, Hubrecht Institute with UMC, de Pagter, Mirjam S., van Roosmalen, Markus J., Baas, AF, Renkens, I.J., Duran, KJ, van Binsbergen, E, Tavakoli-Yaraki, Masoumeh, Hochstenbach, Ron, van der Veken, Lars T., Cuppen, Edwin, and Kloosterman, Wigard P.
Published: 2015

13. Discovery of variants unmasked by hemizygous deletions

Author: Hochstenbach, R., Poot, M., Nijman, I.J., Renkens, I., Duran, K.J., Van't Slot, R., van Binsbergen, E., van der Zwaag, B., Vogel, M.J., Terhal, P.A., Ploos van Amstel, H.K., Kloosterman, W.P., Cuppen, E., Hochstenbach, R., Poot, M., Nijman, I.J., Renkens, I., Duran, K.J., Van't Slot, R., van Binsbergen, E., van der Zwaag, B., Vogel, M.J., Terhal, P.A., Ploos van Amstel, H.K., Kloosterman, W.P., and Cuppen, E.
Abstract: Array-based genome-wide segmental aneuploidy screening detects both de novo and inherited copy number variations (CNVs). In sporadic patients de novo CNVs are interpreted as potentially pathogenic. However, a deletion, transmitted from a healthy parent, may be pathogenic if it overlaps with a mutated second allele inherited from the other healthy parent. To detect such events, we performed multiplex enrichment and next-generation sequencing of the entire coding sequence of all genes within unique hemizygous deletion regions in 20 patients (1.53 Mb capture footprint). Out of the detected 703 non-synonymous single-nucleotide variants (SNVs), 8 represented variants being unmasked by a hemizygous deletion. Although evaluation of inheritance patterns, Grantham matrix scores, evolutionary conservation and bioinformatic predictions did not consistently indicate pathogenicity of these variants, no definitive conclusions can be drawn without functional validation. However, in one patient with severe mental retardation, lack of speech, microcephaly, cheilognathopalatoschisis and bilateral hearing loss, we discovered a second smaller deletion, inherited from the other healthy parent, resulting in loss of both alleles of the highly conserved heat shock factor binding protein 1 (HSBP1) gene. Conceivably, inherited deletions may unmask rare pathogenic variants that may exert a phenotypic impact through a recessive mode of gene action.European Journal of Human Genetics advance online publication, 18 January 2012; doi:10.1038/ejhg.2011.263., Array-based genome-wide segmental aneuploidy screening detects both de novo and inherited copy number variations (CNVs). In sporadic patients de novo CNVs are interpreted as potentially pathogenic. However, a deletion, transmitted from a healthy parent, may be pathogenic if it overlaps with a mutated second allele inherited from the other healthy parent. To detect such events, we performed multiplex enrichment and next-generation sequencing of the entire coding sequence of all genes within unique hemizygous deletion regions in 20 patients (1.53 Mb capture footprint). Out of the detected 703 non-synonymous single-nucleotide variants (SNVs), 8 represented variants being unmasked by a hemizygous deletion. Although evaluation of inheritance patterns, Grantham matrix scores, evolutionary conservation and bioinformatic predictions did not consistently indicate pathogenicity of these variants, no definitive conclusions can be drawn without functional validation. However, in one patient with severe mental retardation, lack of speech, microcephaly, cheilognathopalatoschisis and bilateral hearing loss, we discovered a second smaller deletion, inherited from the other healthy parent, resulting in loss of both alleles of the highly conserved heat shock factor binding protein 1 (HSBP1) gene. Conceivably, inherited deletions may unmask rare pathogenic variants that may exert a phenotypic impact through a recessive mode of gene action.European Journal of Human Genetics advance online publication, 18 January 2012; doi:10.1038/ejhg.2011.263.
Published: 2012

14. Constitutional chromothripsis rearrangements involve clustered double-stranded DNA breaks and nonhomologous repair mechanisms

Author: Kloosterman, W.P., Tavakoli-Yaraki, M., van Roosmalen, M.J., van Binsbergen, E., Renkens, I., Duran, K., Ballarati, L., Vergult, S., Giardino, D., Hansson, K., Ruivenkamp, C.A., de Jager, M., van Haeringen, A., Ippel, E.F., Haaf, T., Passarge, E., Hochstenbach, R., Menten, B., Larizza, L., Guryev, V., Poot, M., Cuppen, E., Kloosterman, W.P., Tavakoli-Yaraki, M., van Roosmalen, M.J., van Binsbergen, E., Renkens, I., Duran, K., Ballarati, L., Vergult, S., Giardino, D., Hansson, K., Ruivenkamp, C.A., de Jager, M., van Haeringen, A., Ippel, E.F., Haaf, T., Passarge, E., Hochstenbach, R., Menten, B., Larizza, L., Guryev, V., Poot, M., and Cuppen, E.
Abstract: Chromothripsis represents a novel phenomenon in the structural variation landscape of cancer genomes. Here, we analyze the genomes of ten patients with congenital disease who were preselected to carry complex chromosomal rearrangements with more than two breakpoints. The rearrangements displayed unanticipated complexity resembling chromothripsis. We find that eight of them contain hallmarks of multiple clustered double-stranded DNA breaks (DSBs) on one or more chromosomes. In addition, nucleotide resolution analysis of 98 breakpoint junctions indicates that break repair involves nonhomologous or microhomology-mediated end joining. We observed that these eight rearrangements are balanced or contain sporadic deletions ranging in size between a few hundred base pairs and several megabases. The two remaining complex rearrangements did not display signs of DSBs and contain duplications, indicative of rearrangement processes involving template switching. Our work provides detailed insight into the characteristics of chromothripsis and supports a role for clustered DSBs driving some constitutional chromothripsis rearrangements., Chromothripsis represents a novel phenomenon in the structural variation landscape of cancer genomes. Here, we analyze the genomes of ten patients with congenital disease who were preselected to carry complex chromosomal rearrangements with more than two breakpoints. The rearrangements displayed unanticipated complexity resembling chromothripsis. We find that eight of them contain hallmarks of multiple clustered double-stranded DNA breaks (DSBs) on one or more chromosomes. In addition, nucleotide resolution analysis of 98 breakpoint junctions indicates that break repair involves nonhomologous or microhomology-mediated end joining. We observed that these eight rearrangements are balanced or contain sporadic deletions ranging in size between a few hundred base pairs and several megabases. The two remaining complex rearrangements did not display signs of DSBs and contain duplications, indicative of rearrangement processes involving template switching. Our work provides detailed insight into the characteristics of chromothripsis and supports a role for clustered DSBs driving some constitutional chromothripsis rearrangements.
Published: 2012

15. Renal development / Cystic diseases

Author: Yosypiv, I., primary, Song, R., additional, Preston, G., additional, Van Eerde, A. M., additional, Van Binsbergen, E., additional, Konijnenberg, Y., additional, Maiburg, M. C., additional, Lichtenbelt, K., additional, Nikkels, P. G. J., additional, Vd Smagt, J., additional, Renkema, K. Y., additional, Giltay, J. C., additional, De Jong, T. P. V. M., additional, Lilien, M. R., additional, Knoers, N. V. A. M., additional, Gueydan, C., additional, Serena, G., additional, Stephan, G., additional, Koesters, R., additional, Zeineb, B., additional, Laure, D., additional, Catherine, A., additional, Marie-Therese, B., additional, Gauguier, D., additional, Lelongt, B., additional, Moon, S. H., additional, Park, H. C., additional, Lee, H.-Y., additional, Hwang, J. H., additional, Jeong, J. C., additional, Park, J.-Y., additional, Lee, S. W., additional, Hwang, Y.-H., additional, Kang, K. W., additional, Ahn, C., additional, Gattone, V., additional, Carr, A., additional, Crosler-Roberts, R., additional, Wang, X., additional, Liu, Y., additional, Shen, J., additional, Wuthrich, R., additional, Serra, A., additional, Mei, C., additional, Tuta, L., additional, Botea, F., additional, Guigonis, V., additional, Rodier, N., additional, Bahans, C., additional, Decramer, S., additional, Bertholet-Thomas, A., additional, Heidet, L., additional, Eckart, P., additional, Lavocat, M.-P., additional, Vrillon, I., additional, Cloarec, S., additional, Lahoche, A., additional, Bessenay, L., additional, Louillet, F., additional, Roussey, G., additional, Rousset-Riviere, C., additional, Dunand, O., additional, Baudouin, V., additional, Nobili, F., additional, Pietrement, C., additional, De Parscau, L., additional, Gajdos, V., additional, Morin, D., additional, Laffargue, F., additional, Llanas, B., additional, Palcoux, J.-B., additional, Delrue, M.-A., additional, Dizier, E., additional, Taupiac, E., additional, Laroche, C., additional, Lacombe, B., additional, Bourthoumieu, S., additional, El-Meanawy, A., additional, Rufanova, V., additional, and Stelloh, C., additional
Published: 2012
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16. 1FC3.5 Copy number variations in patients with electrical status epilepticus in sleep

Author: Kevelam, S., primary, Jansen, F., additional, van Binsbergen, E., additional, Braun, K.P.J., additional, Verbeek, N., additional, Lindhout, D., additional, Poot, M., additional, and Brilstra, E., additional
Published: 2011
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17. Origins and Breakpoint Analyses of Copy Number Variations: Up Close and Personal

Author: van Binsbergen, E., primary
Published: 2011
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18. De Novo Missense Variants in FBXW11 Cause Diverse Developmental Phenotypes Including Brain, Eye, and Digit Anomalies

Author: Alaa Afif Mohammed, Yong-hui Jiang, Thalia Antoniadi, Cynthia J. Curry, Celia Zazo Seco, Dorine Bax, Slavé Petrovski, Samuel J.H. Clokie, Vandana Shashi, Stephen W. Wilson, Dianne Gerrelli, Nicola K. Ragge, Marco Tartaglia, Nicolas Chassaing, Andrea Ciolfi, Marleen Simon, Bruce D. Gelb, Helle Andersen, Zöe Powis, Patrick Calvas, Jennifer A. Sullivan, Fabiola Ceroni, Constance Smith-Hicks, Emanuele Bellacchio, Kristina Pilekær Sørensen, Rodrigo M. Young, Christina Fagerberg, Alessandro De Luca, Ellen van Binsbergen, Luigi Memo, William B. Dobyns, Anna Chassevent, Berta Crespo, Richard J. Holt, Holt R.J., Young R.M., Crespo B., Ceroni F., Curry C.J., Bellacchio E., Bax D.A., Ciolfi A., Simon M., Fagerberg C.R., van Binsbergen E., De Luca A., Memo L., Dobyns W.B., Mohammed A.A., Clokie S.J.H., Zazo Seco C., Jiang Y.-H., Sorensen K.P., Andersen H., Sullivan J., Powis Z., Chassevent A., Smith-Hicks C., Petrovski S., Antoniadi T., Shashi V., Gelb B.D., Wilson S.W., Gerrelli D., Tartaglia M., Chassaing N., Calvas P., and Ragge N.K.
Subjects: Adult, Male, Adolescent, hedgehog, Ubiquitin-Protein Ligases, brain, Mutation, Missense, Biology, Fingers, 03 medical and health sciences, Wnt, FBXW11, Report, Genetics, medicine, Humans, Noonan syndrome, Eye Abnormalities, Child, Exome, Zebrafish, development, Genetics (clinical), 030304 developmental biology, 0303 health sciences, neurodevelopment, digit, 030305 genetics & heredity, Wnt signaling pathway, WD40, medicine.disease, biology.organism_classification, beta-Transducin Repeat-Containing Proteins, Phenotype, eye, human development, Ubiquitin ligase complex, Child, Preschool, Eye development, Female
Abstract: The identification of genetic variants implicated in human developmental disorders has been revolutionized by second-generation sequencing combined with international pooling of cases. Here, we describe seven individuals who have diverse yet overlapping developmental anomalies, and who all have de novo missense FBXW11 variants identified by whole exome or whole genome sequencing and not reported in the gnomAD database. Their phenotypes include striking neurodevelopmental, digital, jaw, and eye anomalies, and in one individual, features resembling Noonan syndrome, a condition caused by dysregulated RAS signaling. FBXW11 encodes an F-box protein, part of the Skp1-cullin-F-box (SCF) ubiquitin ligase complex, involved in ubiquitination and proteasomal degradation and thus fundamental to many protein regulatory processes. FBXW11 targets include β-catenin and GLI transcription factors, key mediators of Wnt and Hh signaling, respectively, critical to digital, neurological, and eye development. Structural analyses indicate affected residues cluster at the surface of the loops of the substrate-binding domain of FBXW11, and the variants are predicted to destabilize the protein and/or its interactions. In situ hybridization studies on human and zebrafish embryonic tissues demonstrate FBXW11 is expressed in the developing eye, brain, mandibular processes, and limb buds or pectoral fins. Knockdown of the zebrafish FBXW11 orthologs fbxw11a and fbxw11b resulted in embryos with smaller, misshapen, and underdeveloped eyes and abnormal jaw and pectoral fin development. Our findings support the role of FBXW11 in multiple developmental processes, including those involving the brain, eye, digits, and jaw.
Published: 2019
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19. A 600 kb deletion syndrome at 16p11.2 leads to energy imbalance and neuropsychiatric disorders

Author: Laurent Pasquier, Anne V. Snow, David T. Miller, Louise Harewood, Christina Triantafallou, Timothy P.L. Roberts, Leighton B. Hinkley, Zili Chu, Louis Vallée, Alyss Lian Cavanagh, Evica Rajcan-Separovic, Patricia Blanchet, Fiona Miller, Robin P. Goin-Kochel, Beau Reilly, Bettina Cerban, Vanessa Siffredi, Bridget A. Fernandez, Roger Vaughan, Brianna M. Paul, Fanny Morice-Picard, Elisabeth Flori, Dominique Campion, Gérard Didelot, Anne Philippe, Christa Lese Martin, Srikantan S. Nagarajan, Joris Andrieux, Jacques Puechberty, Marie Pierre Cordier, Jill V. Hunter, Ellen van Binsbergen, Catherine Vincent-Delorme, Vivek Swarnakar, Jean Marie Cuisset, Monica Proud, Patrick Callier, Bert B.A. de Vries, Jeffrey I. Berman, Sarah J. Spence, Alexandra Bowe, Wendy K. Chung, Katy Ankenman, Katherine Hines, Sarah E. Gobuty, Philippe Jonveaux, Lisa Blaskey, Alice Goldenberg, Sylvie Jaillard, Alessandra Renieri, Anne M. Maillard, Tracy Luks, Lee Anne Green Snyder, Elliott H. Sherr, Sarah Y. Khan, Fabienne Prieur, Simon A. Zwolinski, Andres Metspalu, Ghislaine Plessis, Jean Chiesa, Rita J. Jeremy, Valérie Malan, Michèle Mathieu-Dramard, Loyse Hippolyte, Bethanny Smith-Packard, Andrea M. Paal, Bénédicte Duban Bedu, Claudine Rieubland, Jordan Burko, Sylvie Joriot, Philippe Conus, Dominique Bonneau, Benoit Arveiler, Nicole de Leeuw, Allison G. Dempsey, John E. Spiro, Julia Wenegrat, Bertrand Isidor, Cédric Le Caignec, Kyle J. Steinman, Bruno Delobel, Ashlie Llorens, Jacques S. Beckmann, Kelly Johnson, Sean Ackerman, Polina Bukshpun, Silvia Garza, Alexandre Reymond, Damien Sanlaville, Ellen Hanson, Martine Doco-Fenzy, Jacques Thonney, Mari Wakahiro, Juliane Hoyer, Jacqueline Vigneron, Katrin Õunap, Arthur L. Beaudet, Mandy Barker, Nicole Visyak, Sonia Bouquillon, W. Andrew Faucett, Raphael Bernier, Sudha Kilaru Kessler, Audrey Lynn Bibb, Dennis Shaw, R. Frank Kooy, Suzanne M E Lewis, Anna L. Laakman, Nicholas J. Pojman, Hubert Journel, Laura Bernardini, Arianne Stevens, Julia P. Owen, Rebecca Mc Nally Keehn, Stéphanie Selmoni, Sébastien Lebon, Aurélien Macé, Bruno Leheup, Saba Qasmieh, Zoltán Kutalik, Anita Rauch, Yiping Shen, Elysa J. Marco, Nathalie Van der Aa, Carina Ferrari, Noam D. Beckmann, Delphine Héron, Jennifer Tjernage, Benjamin Aaronson, Albert David, Marie Pierre Lemaitre, Muriel Holder, Eve Õiglane-Shlik, Anneke T. Vulto-van Silfhout, Flore Zufferey, Constance Atwell, Marta Benedetti, Ellen Grant, Jenna Elgin, Patricia Z. Page, Caroline Rooryck, Randy L. Buckner, Qixuan Chen, Laurence Faivre, Sébastien Jacquemont, Kerri P. Nowell, Florence Fellmann, Disciglio Vittoria, Katharina Magdalena Rötzer, Hana Lee, Alastair J. Martin, Marion Greenup, David H. Ledbetter, Katrin Männik, Morgan W. Lasala, Jennifer Gerdts, Hanalore Alupay, Florence Petit, Elizabeth Aylward, Gerald D. Fischbach, Mafalda Mucciolo, Maxwell Cheong, Gabriela Marzano, Frédérique Béna, Danielle Martinet, Timothy J. Moss, Odile Boute, Jennifer Olson, Marco Belfiore, Christina Fagerberg, Corby L. Dale, Robert M. Witwicki, Yolanda L. Evans, Melissa B. Ramocki, Marie-Claude Addor, Christèle Dubourg, Mariken Ruiter, Tuhin K. Sinha, Mieke M. van Haelst, Alan Packer, Kathleen E. McGovern, Christie M. Brewton, Stephen M. Kanne, Richard I. Fisher, Tracey Ward, Sophie Dupuis-Girod, Pratik Mukherjee, Simons VIP Consortium, 16p11.2 European Consortium, Addor, MC., Arveiler, B., Belfiore, M., Bena, F., Bernardini, L., Blanchet, P., Bonneau, D., Boute, O., Callier, P., Campion, D., Chiesa, J., Cordier, MP., Cuisset, JM., David, A., de Leeuw, N., de Vries, B., Didelot, G., Doco-Fenzy, M., Bedu, BD., Dubourg, C., Dupuis-Girod, S., Fagerberg, CR., Faivre, L., Fellmann, F., Fernandez, BA., Fisher, R., Flori, E., Goldenberg, A., Heron, D., Holder, M., Hoyer, J., Isidor, B., Jaillard, S., Jonveaux, P., Joriot, S., Journel, H., Kooy, F., le Caignec, C., Leheup, B., Lemaitre, MP., Lewis, S., Malan, V., Mathieu-Dramard, M., Metspalu, A., Morice-Picard, F., Mucciolo, M., Oiglane-Shlik, E., Ounap, K., Pasquier, L., Petit, F., Philippe, A., Plessis, G., Prieur, F., Puechberty, J., Rajcan-Separovic, E., Rauch, A., Renieri, A., Rieubland, C., Rooryck, C., Rötzer, KM., Ruiter, M., Sanlaville, D., Selmoni, S., Shen, Y., Siffredi, V., Thonney, J., Vallée, L., van Binsbergen, E., Van der Aa, N., van Haelst MM., Vigneron, J., Vincent-Delorme, C., Vittoria, D., Vulto-van Silfhout AT., Witwicki, RM., Zwolinski, SA., Bowe, A., Beaudet, AL., Brewton, CM., Chu, Z., Dempsey, AG., Evans, YL., Garza, S., Kanne, SM., Laakman, AL., Lasala, MW., Llorens, AV., Marzano, G., Moss, TJ., Nowell, KP., Proud, MB., Chen, Q., Vaughan, R., Berman, J., Blaskey, L., Hines, K., Kessler, S., Khan, SY., Qasmieh, S., Bibb, AL., Paal, AM., Page, PZ., Smith-Packard, B., Buckner, R., Burko, J., Cavanagh, AL., Cerban, B., Snow, AV., Snyder, LG., Keehn, RM., Miller, DT., Miller, FK., Olson, JE., Triantafallou, C., Visyak, N., Atwell, C., Benedetti, M., Fischbach, GD., Greenup, M., Packer, A., Bukshpun, P., Cheong, M., Dale, C., Gobuty, SE., Hinkley, L., Jeremy, RJ., Lee, H., Luks, TL., Marco, EJ., Martin, AJ., McGovern, KE., Nagarajan, SS., Owen, J., Paul, BM., Pojman, NJ., Sinha, T., Swarnakar, V., Wakahiro, M., Alupay, H., Aaronson, B., Ackerman, S., Ankenman, K., Elgin, J., Gerdts, J., Johnson, K., Reilly, B., Shaw, D., Stevens, A., Ward, T., Wenegrat, J., Other departments, Service de génétique médicale, Centre Hospitalier Universitaire Vaudois [Lausanne] (CHUV), CHU Pontchaillou [Rennes], Department of Medical Genetics, Université de Lausanne (UNIL), Centre de Génétique Chromosomique, Hôpital Saint Vincent de Paul-GHICL, Department of Molecular and Human Genetics, Baylor College of Medicine (BCM), Baylor University-Baylor University, Texas Children's Hospital [Houston, USA], Department of pediatrics, Primary palliative Care Research Group, Community Health Sciences, General Practice Section, University of Edinburgh, Center for Integrative Genomics - Institute of Bioinformatics, Génopode (CIG), Swiss Institute of Bioinformatics [Lausanne] (SIB), Université de Lausanne (UNIL)-Université de Lausanne (UNIL), Physiopathologie et neuroprotection des atteintes du cerveau en développement, Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), Developmental Brain and Behaviour Unit, University of Southampton, Institute of Molecular and Cell Biology, University of Tartu, Department of Human Genetics, UCLA, University of California [Los Angeles] (UCLA), University of California-University of California-Semel Institute, Institut de Génétique et Développement de Rennes (IGDR), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ), Service de Cytogénétique et de Biologie Cellulaire, Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Hôpital Pontchaillou-CHU Pontchaillou [Rennes], Université de Lausanne = University of Lausanne (UNIL), Hôpital Saint Vincent de Paul-Groupement des Hôpitaux de l'Institut Catholique de Lille (GHICL), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Université de Lausanne = University of Lausanne (UNIL)-Université de Lausanne = University of Lausanne (UNIL), University of California (UC)-University of California (UC)-Semel Institute, Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS)-Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ), Université de Rennes (UR)-Hôpital Pontchaillou-CHU Pontchaillou [Rennes], and Kooy, Frank
Subjects: Adult, Male, Pediatrics, medicine.medical_specialty, Heterozygote, Adolescent, [SDV]Life Sciences [q-bio], Developmental Disabilities, Biology, Body Mass Index, 03 medical and health sciences, Young Adult, 0302 clinical medicine, Gene Order, Genetics, medicine, Humans, Copy-number variation, Clinical genetics, Obesity, Young adult, Child, Genetics (clinical), 030304 developmental biology, Child Development Disorders, Pervasive/diagnosis, Child Development Disorders, Pervasive/genetics, Chromosome Deletion, Chromosomes, Human, Pair 16, Developmental Disabilities/diagnosis, Developmental Disabilities/genetics, Female, Intelligence Tests, Phenotype, Syndrome, 2. Zero hunger, Psychiatry, 0303 health sciences, Intelligence quotient, Neuropsychology, Complex traits, medicine.disease, Comorbidity, 3. Good health, Autism spectrum disorder, Child Development Disorders, Pervasive, Autism, Medical genetics, Human medicine, Copy-Number Variation, 030217 neurology & neurosurgery
Abstract: Background The recurrent ∼600 kb 16p11.2 BP4-BP5 deletion is among the most frequent known genetic aetiologies of autism spectrum disorder (ASD) and related neurodevelopmental disorders. Objective To define the medical, neuropsychological, and behavioural phenotypes in carriers of this deletion. Methods We collected clinical data on 285 deletion carriers and performed detailed evaluations on 72 carriers and 68 intrafamilial non-carrier controls. Results When compared to intrafamilial controls, full scale intelligence quotient (FSIQ) is two standard deviations lower in carriers, and there is no difference between carriers referred for neurodevelopmental disorders and carriers identified through cascade family testing. Verbal IQ (mean 74) is lower than non-verbal IQ (mean 83) and a majority of carriers require speech therapy. Over 80% of individuals exhibit psychiatric disorders including ASD, which is present in 15% of the paediatric carriers. Increase in head circumference (HC) during infancy is similar to the HC and brain growth patterns observed in idiopathic ASD. Obesity, a major comorbidity present in 50% of the carriers by the age of 7 years, does not correlate with FSIQ or any behavioural trait. Seizures are present in 24% of carriers and occur independently of other symptoms. Malformations are infrequently found, confirming only a few of the previously reported associations. Conclusions The 16p11.2 deletion impacts in a quantitative and independent manner FSIQ, behaviour and body mass index, possibly through direct influences on neural circuitry. Although non-specific, these features are clinically significant and reproducible. Lastly, this study demonstrates the necessity of studying large patient cohorts ascertained through multiple methods to characterise the clinical consequences of rare variants involved in common diseases.
Published: 2012
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20. Mirror extreme BMI phenotypes associated with gene dosage at the chromosome 16p11.2 locus

Author: Stephen W. Scherer, Mònica Gratacòs, Kari Stefansson, Muriel Holder, Unnur Thorsteinsdottir, Lukas Forer, Katharina M. Roetzer, Josette Lucas, Claudia Schurmann, Satu Kaksonen, Armand Valsesia, Carina Wallgren-Pettersson, Barbara Leube, Alexandra I. F. Blakemore, Alexandre Moerman, Marco Belfiore, Anne Faudet, Dominique Gaillard, Roberto Ravazzolo, Dominique Bonneau, Marjo-Riitta Järvelin, Yongguo Yu, Louis Vallée, Bénédicte Demeer, Sophie Visvikis-Siest, Frédérique Béna, Brigitte H. W. Faas, Benoit Arveiler, Georg Homuth, Charles Coutton, Bénédicte de Fréminville, Giorgio Gimelli, Xavier Estivill, Richard I. Fisher, Stefania Gimelli, Wendy Roberts, Jacques S. Beckmann, Emilie Landais, Orah S. Platt, Robin G. Walters, Gudmar Thorleifsson, Alexandre Reymond, Anna-Liisa Hartikainen, Solenn Legallic, James F. Gusella, Peter Vollenweider, Gian Paolo Ramelli, Tõnu Esko, Boris Keren, Nine V A M Knoers, Fanny Morice-Picard, Dominique Campion, Odile Boute, Evica Rajcan-Separovic, Rolph Pfundt, Nathalie Bednarek, Martine Doco-Fenzy, Suzanne M E Lewis, Gérard Didelot, Mylène Beri, Engilbert Sigurdsson, Véronique Satre, Audrey Labalme, Carola Tengstrom, Florian Kronenberg, Florence Petit, Simon Zwolinksi, Philippe Froguel, Paul Elliott, Dorothée Cailley, Christian R. Marshall, Bruno Leheup, Klaus Dieterich, Janina S. Ried, Sylvie Jaillard, Armand Bottani, Stylianos E. Antonarakis, Elisabetta Lapi, Jean-Christophe Cuvellier, Robert M. Witwicki, Gérard Waeber, Christèle Dubourg, Marion Gérard, Lachlan J. M. Coin, Magalie Barth, Anita Kloss-Brandstätter, Vincent Mooser, Cristóbal Richart, Giuseppe Merla, Bénédicte Duban-Bedu, Yiping Shen, Ants Kurg, Audrey Guilmatre, Juliane Hoyer, Susana Jiménez-Murcia, Mafalda Mucciolo, Bai-Lin Wu, Alessandra Ferrarini, Séverine Drunat, Yves Alembik, Páll Magnússon, Han G. Brunner, Maria Antonietta Mencarelli, Dominique Descamps, R. Frank Kooy, Azzedine Aboura, Valérie Layet, Sven Bergmann, Thomas Meitinger, Peter M. Kroisel, Nathalie Van der Aa, Olivier Guillin, Michèle Mathieu-Dramard, Zoltán Kutalik, Elisabeth Flori, Laurent Pasquier, André Reis, Noam D. Beckmann, Bertrand Isidor, Delphine Héron, Philippe Jonveaux, Sergi Villatoro Gomez, Ann Nordgren, José Manuel Fernández-Real, Florence Fellmann, Fernando Fernández-Aranda, Laurence Faivre, Dimitri J. Stavropoulos, Katrin Männik, Christian Gieger, Evald Saemundsen, Agnès Guichet, Jean-Marie Cuisset, R. Touraine, Laura Bernardini, Marie-Ange Delrue, Alessandra Renieri, Omar Gustafsson, Flore Zufferey, David A. Koolen, Massimiliano Rossi, Jacqueline Chrast, Ghislaine Plessis, Faida Walha, Joris Andrieux, Ellen van Binsbergen, Albert David, Catherine Vincent-Delorme, Cédric Le Caignec, Jean Chiesa, Ndeye Coumba Ndiaye, Geraldine Joly Helas, Damien Sanlaville, Anita Rauch, Louise Harewood, Mark I. McCarthy, Bridget A. Fernandez, Sébastien Jacquemont, Hreinn Stefansson, Anneke T. Vulto-van Silfhout, Zdenek Jaros, Matthias Nauck, Hans J. Grabe, Sonia Bouquillon, Mieke M. van Haelst, Andres Metspalu, Loyse Hippolyte, Patrick Callier, Bert B.A. de Vries, Francisco J. Tinahones, Nicole de Leeuw, Julia S. El-Sayed Moustafa, Claudine Rieubland, Kay D. MacDermot, Vittoria Disciglio, Henry Völzke, Caroline Rooryck, Bettina Blaumeiser, Danielle Martinet, Marie-Claude Addor, Bruno Delobel, Jacquemont, S, Reymond, A, Zufferey, F, Harewood, L, Walters, Rg, Kutalik, Z, Martinet, D, Shen, Y, Valsesia, A, Beckmann, Nd, Thorleifsson, G, Belfiore, M, Bouquillon, S, Campion, D, de Leeuw, N, de Vries, Bb, Esko, T, Fernandez, Ba, Fernández-Aranda, F, Fernández-Real, Jm, Gratacòs, M, Guilmatre, A, Hoyer, J, Jarvelin, Mr, Kooy, Rf, Kurg, A, Le Caignec, C, Männik, K, Platt, O, Sanlaville, D, Van Haelst, Mm, Villatoro Gomez, S, Walha, F, Wu, Bl, Yu, Y, Aboura, A, Addor, Mc, Alembik, Y, Antonarakis, Se, Arveiler, B, Barth, M, Bednarek, N, Béna, F, Bergmann, S, Beri, M, Bernardini, L, Blaumeiser, B, Bonneau, D, Bottani, A, Boute, O, Brunner, Hg, Cailley, D, Callier, P, Chiesa, J, Chrast, J, Coin, L, Coutton, C, Cuisset, Jm, Cuvellier, Jc, David, A, de Freminville, B, Delobel, B, Delrue, Ma, Demeer, B, Descamps, D, Didelot, G, Dieterich, K, Disciglio, V, Doco-Fenzy, M, Drunat, S, Duban-Bedu, B, Dubourg, C, El-Sayed Moustafa, J, Elliott, P, Faas, Bh, Faivre, L, Faudet, A, Fellmann, F, Ferrarini, A, Fisher, R, Flori, E, Forer, L, Gaillard, D, Gerard, M, Gieger, C, Gimelli, S, Gimelli, G, Grabe, Hj, Guichet, A, Guillin, O, Hartikainen, Al, Heron, D, Hippolyte, L, Holder, M, Homuth, G, Isidor, B, Jaillard, S, Jaros, Z, Jiménez-Murcia, S, Helas, Gj, Jonveaux, P, Kaksonen, S, Keren, B, Kloss-Brandstätter, A, Knoers, Nv, Koolen, Da, Kroisel, Pm, Kronenberg, F, Labalme, A, Landais, E, Lapi, E, Layet, V, Legallic, S, Leheup, B, Leube, B, Lewis, S, Lucas, J, Macdermot, Kd, Magnusson, P, Marshall, C, Mathieu-Dramard, M, Mccarthy, Mi, Meitinger, T, Mencarelli, Ma, Merla, G, Moerman, A, Mooser, V, Morice-Picard, F, Mucciolo, M, Nauck, M, Ndiaye, Nc, Nordgren, A, Pasquier, L, Petit, F, Pfundt, R, Plessis, G, Rajcan-Separovic, E, Ramelli, Gp, Rauch, A, Ravazzolo, R, Reis, A, Renieri, A, Richart, C, Ried, J, Rieubland, C, Roberts, W, Roetzer, Km, Rooryck, C, Rossi, M, Saemundsen, E, Satre, V, Schurmann, C, Sigurdsson, E, Stavropoulos, Dj, Stefansson, H, Tengström, C, Thorsteinsdóttir, U, Tinahones, Fj, Touraine, R, Vallée, L, van Binsbergen, E, Van der Aa, N, Vincent-Delorme, C, Visvikis-Siest, S, Vollenweider, P, Völzke, H, Vulto-van Silfhout, At, Waeber, G, Wallgren-Pettersson, C, Witwicki, Rm, Zwolinksi, S, Andrieux, J, Estivill, X, Gusella, Jf, Gustafsson, O, Metspalu, A, Scherer, Sw, Stefansson, K, Blakemore, Ai, Beckmann, J, Froguel, P, Faculteit Medische Wetenschappen/UMCG, Service de génétique médicale, Centre Hospitalier Universitaire Vaudois [Lausanne] (CHUV), Center for Integrative Genomics - Institute of Bioinformatics, Génopode (CIG), Swiss Institute of Bioinformatics [Lausanne] (SIB), Université de Lausanne = University of Lausanne (UNIL)-Université de Lausanne = University of Lausanne (UNIL), Department of Genomics of Common Disease, Imperial College London, Department of Medical Genetics, Université de Lausanne = University of Lausanne (UNIL), Laboratory Medicine, Boston Children's Hospital, Center for Human Genetic Research, Massachusetts General Hospital [Boston], Ludwig Institute for Cancer Research, deCODE Genetics, deCODE genetics [Reykjavik], Laboratoire de Génétique Médicale, Hôpital Jeanne de Flandre [Lille]-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Génétique médicale et fonctionnelle du cancer et des maladies neuropsychiatriques, Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Estonian Genome and Medicine, University of Tartu, Department of human genetics, Radboud University Medical Center [Nijmegen]-Nijmegen Centre for Molecular Life Sciences-Institute for Genetic and Metabolic Disorders, Institute of Molecular and Cell Biology, Disciplines of Genetics and Medicine, Memorial University of Newfoundland = Université Memorial de Terre-Neuve [St. John's, Canada] (MUN), Department of Psychiatry (IDIBELL), CIBERobn Fisiopatología de la Obesidad y Nutrición-University Hospital of Bellvitge, Section of Diabetes, Endocrinology and Nutrition, University Hospital of Girona-Biomedical Research Institute 'Dr Josep Trueta'-CIBERobn Fisiopatología de la Obesidad y Nutrición, Center for Genomic Regulation (CRG-UPF), CIBER de Epidemiología y Salud Pública (CIBERESP), Institute of Human Genetics [Erlangen, Allemagne], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Department of child and adolescent health, University of Oulu-Institute of Health Sciences and Biocenter Oulu-National Institute for Health and Welfare [Helsinki], Antwerp University Hospital [Edegem] (UZA), CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Service de cytogénétique constitutionnelle, Hospices Civils de Lyon (HCL)-CHU de Lyon-Centre Neuroscience et Recherche, University Medical Center [Utrecht], Institutes of Biomedical Science, Fudan University [Shanghai]-Children's Hospital, Shanghai Children's Medical Center, Département de génétique, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Robert Debré-Université Paris Diderot - Paris 7 (UPD7), Service de cytogénétique, CHU Strasbourg-Hôpital de Hautepierre [Strasbourg], Génétique médicale, Hôpitaux Universitaires de Genève (HUG), Maladies Rares - Génétique et Métabolisme (MRGM), Université Bordeaux Segalen - Bordeaux 2-Hôpital Pellegrin-Service de Génétique Médicale du CHU de Bordeaux, Université de Bordeaux (UB)-CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Service de génétique [Angers], Université d'Angers (UA)-Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM)-PRES Université Nantes Angers Le Mans (UNAM), Université de Reims Champagne-Ardenne (URCA), Department of Molecular Genetics, Weizmann Institute of Science [Rehovot, Israël], Service de Génétique [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Mendel Laboratory, Istituto di Ricovero e Cura a Carattere Scientifico, Ospedale Casa Sollievo della Sofferenza [San Giovanni Rotondo] (IRCCS), Service de Génétique clinique, Laboratoire de cytogénétique (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Laboratoire de Cytogénétique, Centre Hospitalier Universitaire de Nîmes (CHU Nîmes), Département de génétique et procréation, Université Joseph Fourier - Grenoble 1 (UJF)-CHU Grenoble-faculté de médecine-pharmacie, AGeing and IMagery (AGIM), Université Pierre Mendès France - Grenoble 2 (UPMF)-Université Joseph Fourier - Grenoble 1 (UJF)-École Pratique des Hautes Études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de biochimie et génétique moléculaire, CHU Grenoble, Service de Neuropédiatrie, Hôpital Roger Salengro [Lille]-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Service de génétique, Centre Hospitalier Universitaire de Saint-Etienne [CHU Saint-Etienne] (CHU ST-E), Centre de Génétique Chromosomique, Hôpital Saint Vincent de Paul-Groupement des Hôpitaux de l'Institut Catholique de Lille (GHICL), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), CHU Amiens-Picardie, Centre Hospitalier de Béthune (CH Béthune), GHT de l'Artois, Service de Génétique Clinique, Department of Biotechnology, Università degli Studi di Siena = University of Siena (UNISI)-Medical Genetics, Service de Génétique, Centre Hospitalier Universitaire de Reims (CHU Reims)-Hôpital Maison Blanche-IFR 53, Université de Reims Champagne-Ardenne (URCA)-Université de Reims Champagne-Ardenne (URCA), Institut de Génétique et Développement de Rennes (IGDR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), Department of Epidemiology and Public Health, Department of Human Genetics [Nijmegen], Radboud University Medical Center [Nijmegen], Department of Experimental Cardiology, Academic Medical Center - Academisch Medisch Centrum [Amsterdam] (AMC), University of Amsterdam [Amsterdam] (UvA)-University of Amsterdam [Amsterdam] (UvA)-Heart Failure Research Center (HFRC), CHU Pitié-Salpêtrière [AP-HP], Institute of human genetics, International Centre for Life, Division of genetic epidemiology, HMNC Brain Health-Molecular and Clinical Pharmacology-Innsbruck Medical University = Medizinische Universität Innsbruck (IMU), Institute of Experimental Medicine, Czech Academy of Sciences [Prague] (CAS), Department of Obstetrics and Gynecology, University of Oulu-Institute of Clinical Medicine, Laboratorio di citogenetica, G. Gaslini Institute, Department of Psychiatry and Psychotherapy, Universität Greifswald - University of Greifswald, Interfaculty Institute for Genetics and Functional Genomics, Abteilung für Kinder und Jugendheilkunde, Landesklinikum Waldviertel Zwettl, Service de génétique [Rouen], CHU Rouen, Normandie Université (NU)-Normandie Université (NU)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU), The Habilitation Unit of Folkhalsan, Medical University Graz, Medical Genetics Unit, Children's Hospital Anna Meyer, Unité de Cytogénétique et Génétique Médicale, Groupe Hospitalier du Havre-Hôpital Gustave Flaubert, Service de Médecine Infantile III et Génétique Clinique [CHRU Nancy], Institute of Human Genetics and Anthropology, Heinrich-Heine University Hospital Duesseldorf, Child and Family Research Institute-University of British Columbia (UBC), North West Thames Regional Genetics Service, Northwick Park & St Marks Hospital, Child and Adolescent Psychiatry, Landspitali University Hospital, Program in Genetics and Genomic Biology, Hospital for Sick Children-University of Toronto McLaughlin Centre, Oxford Centre for Diabetes, Endocrinology and Metabolism (OCDEM), University of Oxford, The Wellcome Trust Centre for Human Genetics [Oxford], Institute of Human Genetics, Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM)-Helmholtz Zentrum München = German Research Center for Environmental Health, Genetics, GlaxoSmithKline R&D, GlaxoSmithKline, Institute of Clinical Chemistry and Laboratory Medicine, Génétique cardiovasculaire (GC), Université Henri Poincaré - Nancy 1 (UHP), Molecular Medicine and Surgery department, Karolinska Institutet [Stockholm], Service de Génétique [CHU Caen], Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-CHU Caen, Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)-Tumorothèque de Caen Basse-Normandie (TCBN), Department of Pathology, Division of pediatrics, Ospedale San Giovanni, Institute of Medical Genetics, Universität Zürich [Zürich] = University of Zurich (UZH), Department of pediatrics and CEBR, Università degli studi di Genova = University of Genoa (UniGe)-G. Gaslini Institute, Department of Internal Medicine, Universitat Rovira i Virgili-University Hospital Juan XXIII-Instituto Salud Carlos III-Ciber Fisiopatologia Obesidad y Nutricion (CIBEROBN), Division of Human Genetics, Department of Paediatrics, Inselspital-University of Bern, Autism Research Unit, The Hospital for sick children [Toronto] (SickKids)-University of Toronto, State Diagnostic, Counseling Center, University of Iceland [Reykjavik], Department of Pediatric Laboratory Medicine, Hospital for Sick Children, Genetic Services, Rinnekoti Research Foundation, Department of Endocrinology and Nutrition, Instituto Salud Carlos III-Clinic Hospital of Virgen de la Victoria-Ciber Fisiopatologia y Nutricion (CIBEROBN), Centre de Maladies Rares, Anomalies du Développement Nord de France-CH Arras - CHRU Lille, Institute for Community Medicine, Department of Medical and Clinical Genetics [Helsinki], Haartman Institute [Helsinki], Faculty of Medecine [Helsinki], Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Faculty of Medecine [Helsinki], Helsingin yliopisto = Helsingfors universitet = University of Helsinki-Helsingin yliopisto = Helsingfors universitet = University of Helsinki, The Centre for Applied Genomics, Toronto, The Hospital for sick children [Toronto] (SickKids)-University of Toronto-Department of Molecular Genetics-McLaughlin Centre, Institut de biologie de Lille - UMS 3702 (IBL), Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Université de Lille-Centre National de la Recherche Scientifique (CNRS), This work was supported by the Leenaards Foundation Prize (SJ, DM and AR), the Jérôme Lejeune Foundation (AR), the Telethon Action Suisse Foundation (AR), the Swiss National Science Foundation (AR, JSB, SB and SEA), a SNSF Sinergia grant (SJ, DM, SB, JSB and AR), the European Commission anEUploidy Integrated Project grant 037627 (AR, SB, XE, HGB and SEA), the Ludwig Institute for Cancer Research (AV), the Swiss Institute of Bioinformatics (SB, ZK), an Imperial College Dept of Medicine PhD studentship (JSe-SM), the Comprehensive Biomedical Research Centre, Imperial College Healthcare NHS Trust, and the National Institute for Health Research (PE), the Wellcome Trust and the Medical Research Council (AIFB and PF), the Instituto de Salud Carlos III (ISCIII)-FIS, the German Mental Retardation Network funded through a grant of the German Federal Ministry of Education and Research (NGFNplus 01GS08160) to A Reis and European Union-FEDER (PI081714, PS09/01778), SAF2008-02278 (XE, MG, FFA), the Belgian National Fund for Scientific Research - Flanders (NVA, RFK), the Dutch Organisation for Health Research and Development (ZONMW grant 917-86-319) and Hersenstichting Nederland (BBAdV), grant 81000346 from the Chinese National Natural Science Foundation (YGY), the Simons Foundation Autism Research Initiative, Autism Speaks and NIH grant GM061354 (JFG), and the OENB grant 13059 (AK-B). YS holds a Young Investigator Award from the Children's Tumor Foundation and Catalyst Award from Harvard Medical School, and BLW, a Fudan Scholar Research Award from Fudan University, a grant from Chinese National '973' project on Population and Health (2010CB529601) and a grant from Science and Technology Council of Shanghai (09JC1402400). ERS and SL, recipients of the Michael Smith Foundation for Health Research Scholar award, acknowledge the CIHR MOP 74502 operational grant. EGCUT received support from the EU Centre of Excellence in Genomics and FP7 grants #201413 and #245536, from Estonian Government SF0180142s08, SF0180026s09 and SF0180027s10 (AM, KM, AK). The Helmholtz Zentrum Munich and the State of Bavaria financed KORA, also supported by the German National Genome Research Network (NGFN-2 and NGFNPlus: 01GS0823), the German Federal Ministry of Education and Research (BMBF), and the Munich Center of Health Sciences (MC Health, LMUinnovativ). CIBEROBN and CIBERESP are initiatives of ISCIII (Spain). SWS holds the GlaxoSmithKline-Canadian Institutes of Health (CIHR) Chair in Genetics, Genomics at the University of Toronto and the Hospital for Sick Children and is supported by Genome Canada and the McLaughlin Centre. deCODE was funded in part by NIH grant MH071425 (KS), EU grant HEALTH-2007-2.2.1-10-223423 (Project PsychCNV) and EU grant IMI-JU-NewMeds., Centre de génomique intégrative, Université de Lausanne (UNIL), Swiss Institute of Bioinformatics (SIB), Swiss Institute of Bioinformatics, Memorial University of Newfoundland [St. John's], Friedrich Alexander University [Erlangen-Nürnberg], Service d'ORL et de Chirurgie Cervicofaciale, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-Hôpital Robert Debré-Université Paris Diderot - Paris 7 (UPD7), Weizmann Institute of Science, IRCCS Casa Sollievo della Sofferenza Hospital, Centre Hospitalier Régional Universitaire de Nîmes (CHRU Nîmes), Université Pierre Mendès France - Grenoble 2 (UPMF)-Université Joseph Fourier - Grenoble 1 (UJF)-École pratique des hautes études (EPHE)-Centre National de la Recherche Scientifique (CNRS), Hôpital Roger Salengro-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), CHU Saint-Etienne-Hôpital nord, Hôpital Saint Vincent de Paul-GHICL, Centre hospitalier de Béthune, Università degli Studi di Siena (UNISI)-Medical Genetics, Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-IFR140-Centre National de la Recherche Scientifique (CNRS), Department of Human Genetics, Radboud University Medical Centre, PO Box 9101, 6500 HB Nijmegen, Service de Génétique Cytogénétique et Embryologie [CHU Pitié-Salpêtrière], Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-CHU Pitié-Salpêtrière [APHP], Innsbruck Medical University [Austria] (IMU)-HMNC Brain Health-Molecular and Clinical Pharmacology, Czech Academy of Sciences [Prague] (ASCR), University of Oxford [Oxford], Technische Universität München [München] (TUM)-Helmholtz-Zentrum München (HZM)-German Research Center for Environmental Health, University of Zürich [Zürich] (UZH), Universita degli studi di Genova -G. Gaslini Institute, University of Toronto-The Hospital for Sick Children, University of Helsinki-University of Helsinki-Faculty of Medecine [Helsinki], University of Helsinki-University of Helsinki, University of Toronto-The Hospital for Sick Children-Department of Molecular Genetics-McLaughlin Centre, Institut de biologie de Lille - IBL (IBLI), Université de Lille, Sciences et Technologies-Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Université de Lille, Droit et Santé-Centre National de la Recherche Scientifique (CNRS), Human genetics, Amsterdam Neuroscience - Complex Trait Genetics, Amsterdam Reproduction & Development (AR&D), De Villemeur, Hervé, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Université Pierre Mendès France - Grenoble 2 (UPMF)-Université Joseph Fourier - Grenoble 1 (UJF)-École pratique des hautes études (EPHE), Service of Medical Genetics, Centre Hospitalier Universitaire Vaudois, 1011 Lausanne, Switzerland., Other departments, Reymond, Alexandre, Antonarakis, Stylianos, Sloan Bena, Frédérique, Bottani, Armand, Callier, Patrick, Gimelli, Stefania, Merla, Giuseppe, Vollenweider, Peter, Université de Lausanne (UNIL)-Université de Lausanne (UNIL), Centre National de la Recherche Scientifique (CNRS)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Joseph Fourier - Grenoble 1 (UJF)-Université Pierre Mendès France - Grenoble 2 (UPMF), Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES), Technische Universität Munchen - Université Technique de Munich [Munich, Allemagne] (TUM)-Helmholtz-Zentrum München (HZM)-German Research Center for Environmental Health, CHU Caen, Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)-Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)-Université de Caen Normandie (UNICAEN), University of Toronto-The Hospital for sick children [Toronto] (SickKids)-Department of Molecular Genetics-McLaughlin Centre, Université de Lille-Institut Pasteur de Lille, and Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Male, Aging, Transcription, Genetic, Adolescent, Adult, Aged, Body Height, Body Mass Index, Case-Control Studies, Child, Child, Preschool, Chromosomes, Human, Pair 16, Cohort Studies, Comparative Genomic Hybridization, Developmental Disabilities, Energy Metabolism, Europe, Female, Gene Dosage, Gene Duplication, Gene Expression Profiling, Genetic Predisposition to Disease, Genome-Wide Association Study, Head, Heterozygote, Humans, Infant, Infant, Newborn, Mental Disorders, Middle Aged, Mutation, North America, Obesity, Phenotype, RNA, Messenger, Sequence Deletion, Thinness, Young Adult, Physiology, RNA, Messenger/analysis/genetics, Genome-wide association study, HIDDEN-MARKOV MODEL, 0302 clinical medicine, Sequence Deletion/genetics, ddc:576.5, 0303 health sciences, education.field_of_study, Body Height/genetics, Genetic Predisposition to Disease/genetics, [SDV.MHEP.EM]Life Sciences [q-bio]/Human health and pathology/Endocrinology and metabolism, 3. Good health, population characteristics, Chromosomes, Human, Pair 16/genetics, Human, Locus (genetics), Gene Duplication/genetics, Article, 03 medical and health sciences, Genetic, education, SNP GENOTYPING DATA, Thinness/genetics, [SDV.GEN]Life Sciences [q-bio]/Genetics, Pair 16, Case-control study, nutritional and metabolic diseases, social sciences, medicine.disease, DEPENDENT PROBE AMPLIFICATION, Human medicine, Body mass index, 030217 neurology & neurosurgery, Messenger, Obesity/genetics, FAILURE-TO-THRIVE, [SDV.GEN] Life Sciences [q-bio]/Genetics, Head/anatomy & histology, METABOLIC SYNDROME, [SDV.MHEP.EM] Life Sciences [q-bio]/Human health and pathology/Endocrinology and metabolism, 2. Zero hunger, Genetics, Multidisciplinary, TIME QUANTITATIVE PCR, Failure to thrive, medicine.symptom, Underweight, Transcription, geographic locations, Mutation/genetics, Population, Biology, Chromosomes, 150 000 MR Techniques in Brain Function, medicine, Preschool, 030304 developmental biology, COPY NUMBER VARIATION, Mental Disorders/genetics, Energy Metabolism/genetics, RELATIVE QUANTIFICATION, Gene Dosage/genetics, Newborn, BODY-MASS INDEX, CIRCULAR BINARY SEGMENTATION, RNA, Genetics and epigenetic pathways of disease Genomic disorders and inherited multi-system disorders [NCMLS 6], human activities, Developmental Disabilities/genetics
Abstract: To access publisher full text version of this article. Please click on the hyperlink in Additional Links field. Both obesity and being underweight have been associated with increased mortality. Underweight, defined as a body mass index (BMI) ≤ 18.5 kg per m(2) in adults and ≤ -2 standard deviations from the mean in children, is the main sign of a series of heterogeneous clinical conditions including failure to thrive, feeding and eating disorder and/or anorexia nervosa. In contrast to obesity, few genetic variants underlying these clinical conditions have been reported. We previously showed that hemizygosity of a ∼600-kilobase (kb) region on the short arm of chromosome 16 causes a highly penetrant form of obesity that is often associated with hyperphagia and intellectual disabilities. Here we show that the corresponding reciprocal duplication is associated with being underweight. We identified 138 duplication carriers (including 132 novel cases and 108 unrelated carriers) from individuals clinically referred for developmental or intellectual disabilities (DD/ID) or psychiatric disorders, or recruited from population-based cohorts. These carriers show significantly reduced postnatal weight and BMI. Half of the boys younger than five years are underweight with a probable diagnosis of failure to thrive, whereas adult duplication carriers have an 8.3-fold increased risk of being clinically underweight. We observe a trend towards increased severity in males, as well as a depletion of male carriers among non-medically ascertained cases. These features are associated with an unusually high frequency of selective and restrictive eating behaviours and a significant reduction in head circumference. Each of the observed phenotypes is the converse of one reported in carriers of deletions at this locus. The phenotypes correlate with changes in transcript levels for genes mapping within the duplication but not in flanking regions. The reciprocal impact of these 16p11.2 copy-number variants indicates that severe obesity and being underweight could have mirror aetiologies, possibly through contrasting effects on energy balance. Leenaards Foundation Jerome Lejeune Foundation Telethon Action Suisse Foundation Swiss National Science Foundation European Commission 037627 QLG1-CT-2000-01643 Ludwig Institute for Cancer Research Swiss Institute of Bioinformatics Imperial College Department of Medicine Comprehensive Biomedical Research Centre Imperial College Healthcare NHS Trust National Institute for Health Research Wellcome Trust Medical Research Council Instituto de Salud Carlos III (ISCIII)-FIS German Mental Retardation Network German Federal Ministry of Education and Research NGFNplus 01GS08160 European Union PI081714 PS09/01778 201413 245536 info:eu-repo/grantAgreement/EC/FP7/223423 Belgian National Fund for Scientific Research, Flanders Dutch Organisation for Health Research and Development (ZON-MW) 917-86-319 Hersenstichting Nederland (B.B.A.d.V.) Chinese National Natural Science Foundation 81000346 Simons Foundation Autism Research Initiative Autism Speaks NIH GM061354 MH071425 Oesterreichische Nationalbank (OENB) 13059 Children's Tumor Foundation Harvard Medical School Fudan University Chinese National '973' project on Population and Health 2010CB529601 Science and Technology Council of Shanghai 09JC1402400 Michael Smith Foundation for Health CIHR MOP 74502 Estonian Government SF0180142s08 SF0180026s09 SF0180027s10 Helmholtz Zentrum Munich State of Bavaria German National Genome Research Network 01GS0823 German Federal Ministry of Education and Research (BMBF) Munich Center of Health Sciences (MC Health, LMUinnovativ) Genome Canada McLaughlin Centre Academy of Finland 104781 120315 129269 1114194 University Hospital Oulu Biocenter University of Oulu, Finland 75617 NHLBI 5R01HL087679-02 1RL1MH083268-01 NIH/NIMH 5R01MH63706:02 ENGAGE project Medical Research Council, UK G0500539 G0600705 Academy of Finland Biocentrum Helsinki SAF2008-02278 HEALTH-F4-2007-201413
Published: 2011
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21. Recurrent rearrangements of chromosome 1q21.1 and variable pediatric phenotypes

Author: Xavier Estivill, Charles E. Schwartz, Louise Gallagher, Karen Buysse, Soo Mi Park, Iris Casuga, Stefania Gimelli, Regina Regan, Zhaoshi Jiang, Carl Baker, Pasquale Striano, Heather C Mefford, Patrick Verloo, Joris A. Veltman, Giorgio Gimelli, Edward S. Tobias, Sabina Gallati, Jon McClellan, Corrado Romano, Chris Lilley, Kelly Li, Samantha J. L. Knight, Joris Vermeesch, William Reardon, Markus Schwerzmann, Roger E. Stevenson, Koenraad Norga, Martin Poot, Geert Mortier, Yves Spysschaert, Ellen van Binsbergen, Evan E. Eichler, Koenraad Devriendt, Lorraine Gaunt, Bernard Conrad, Lluís Armengol, Stuart Schwartz, Catherine Mercer, John Tolmie, Viv K. Maloney, Lionel Willatt, Antonietta Coppola, Santina Reitano, Susan M. Gribble, John C. K. Barber, Anja De Coene, Frank Speleman, Frédérique Béna, Andy Itsara, Ron Hochstenbach, Caifu Chen, Linde Goossens, Adam Broomer, Tom Walsh, John A. Crolla, Shuwen Huang, Thomy de Ravel, May Tassabehji, Helen V. Firth, Cindy Skinner, Amanda L. Collins, Ernie M.H.F. Bongers, Stylianos E. Antonarakis, Diana Baralle, Michael Gill, Bert B.A. de Vries, Mary Claire King, Jill Clayton-Smith, Nicole de Leeuw, Georgina Parkin, Serena Nik-Zainal, Jonathan Sebat, James S. Sutcliffe, Ingrid Simonic, Björn Menten, Mariangela Lo Giudice, Marco Fichera, Lorenz Räber, Raoul C.M. Hennekam, Sarju G. Mehta, Andrew J. Sharp, Alison Male, Marcel R. Nelen, C. Geoffrey Woods, Mefford, H., Sharp, A., Baker, C., Itsara, A., Jiang, Z., Buysse, K., Huang, S., Maloney, V., Crolla, J., Baralle, D., Collins, A., Mercer, C., Norga, K., De Ravel, T., Devriendt, K., Bongers, E., De Leeuw, N., Reardon, W., Gimelli, S., Bena, F., Hennekam, R., Male, A., Gaunt, L., Clayton-Smith, J., Simonic, I., Park, S., Mehta, S., Nik-Zainal, S., Woods, C., Firth, H., Parkin, G., Fichera, M., Reitano, S., Lo Giudice, M., Li, K., Casuga, I., Broomer, A., Conrad, B., Schwerzmann, M., Räber, L., Gallati, S., Striano, P., Coppola, A., Tolmie, J., Tobias, E., Lilley, C., Armengol, L., Spysschaert, Y., Verloo, P., De Coene, A., Goossens, L., Mortier, G., Speleman, F., Van Binsbergen, E., Nelen, M., Hochstenbach, R., Poot, M., Gallagher, L., Gill, M., Mcclellan, J., King, M. -C., Regan, R., Skinner, C., Stevenson, R., Antonarakis, S., Chen, C., Estivill, X., Menten, B., Gimelli, G., Gribble, S., Schwartz, S., Sutcliffe, J., Walsh, T., Knight, S., Sebat, J., Romano, C., Schwartz, C., Veltman, J., De Vries, B., Vermeesch, J., Barber, J., Willatt, L., Tassabehji, M., Eichler, E., Gimelli, Stefania, Conrad, Bernard, Antonarakis, Stylianos, ANS - Amsterdam Neuroscience, APH - Amsterdam Public Health, Paediatric Genetics, and University of Groningen
Subjects: Male, Microcephaly, Genetics and epigenetic pathways of disease [NCMLS 6], Congenital, Microcephaly/genetics, 0302 clinical medicine, Gene Duplication, Gene duplication, HUMAN GENOME, genetics, ddc:576.5, Copy-number variation, Child, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Heart Defects, Renal disorder [IGMD 9], Psychiatry, Gene Rearrangement, Recombination, Genetic, Genetics, 0303 health sciences, General Medicine, Microdeletion syndrome, Chromosomes, Human, Pair 1/ genetics, Heart Defects, Congenital/genetics, 3. Good health, Phenotype, Chromosomes, Human, Pair 1, Autism spectrum disorder, congenital/genetics, Pair 1, Female, Chromosome Deletion, Functional Neurogenomics [DCN 2], Human, Heart Defects, Congenital, SEGMENTAL DUPLICATIONS, MICRODELETION SYNDROME, Context (language use), COPY-NUMBER VARIATION, Chromosomes, Article, Cataract, Congenital Abnormalities, Genomic disorders and inherited multi-system disorders [IGMD 3], 03 medical and health sciences, Genetic, Translational research [ONCOL 3], Intellectual Disability, medicine, Humans, 22Q11.2 DELETION SYNDROME, Autistic Disorder, 030304 developmental biology, Congenital Abnormalities/ genetics, Chromosome Aberrations, Hereditary cancer and cancer-related syndromes [ONCOL 1], business.industry, Genetic Variation, Autistic Disorder/ genetics, Gene rearrangement, medicine.disease, Recombination, Cataract/congenital/genetics, POLYMORPHISM, INDIVIDUALS, Genetic defects of metabolism [UMCN 5.1], ATRIAL-FIBRILLATION, Autism, genetics, Cataract, congenital/genetics, Child, Chromosome Aberrations, Chromosome Deletion, Chromosomes, genetics, Congenital Abnormalities, genetics, Female, Gene Duplication, Gene Rearrangement, Genetic Variation, Heart Defects, genetics, Humans, Intellectual Disability, genetics, Male, Microcephaly, genetics, Phenotype, Recombination, Mental Retardation/ genetics, business, MENTAL-RETARDATION, ARRAY-CGH, 030217 neurology & neurosurgery, Immunity, infection and tissue repair [NCMLS 1]
Abstract: PUBLISHED, Background Duplications and deletions in the human genome can cause disease or predispose persons to disease. Advances in technologies to detect these changes allow for the routine identification of submicroscopic imbalances in large numbers of patients. Methods We tested for the presence of microdeletions and microduplications at a specific region of chromosome 1q21.1 in two groups of patients with unexplained mental retardation, autism, or congenital anomalies and in unaffected persons. Results We identified 25 persons with a recurrent 1.35-Mb deletion within 1q21.1 from screening 5218 patients. The microdeletions had arisen de novo in eight patients, were inherited from a mildly affected parent in three patients, were inherited from an apparently unaffected parent in six patients, and were of unknown inheritance in eight patients. The deletion was absent in a series of 4737 control persons (P=1.1x10?7). We found considerable variability in the level of phenotypic expression of the microdeletion; phenotypes included mild-to-moderate mental retardation, microcephaly, cardiac abnormalities, and cataracts. The reciprocal duplication was enriched in nine children with mental retardation or autism spectrum disorder and other variable features (P=0.02). We identified three deletions and three duplications of the 1q21.1 region in an independent sample of 788 patients with mental retardation and congenital anomalies. Conclusions We have identified recurrent molecular lesions that elude syndromic classification and whose disease manifestations must be considered in a broader context of development as opposed to being assigned to a specific disease. Clinical diagnosis in patients with these lesions may be most readily achieved on the basis of genotype rather than phenotype., Supported in part by grants from the National Institutes of Health (NIH) (HD043569, to Dr. Eichler), the South Carolina Department of Disabilities and Special Needs (to Drs. Skinner, Stevenson, and Schwartz), the Wellcome Trust (061183, to Dr. Tassabehji), the Andre & Cyprien Foundation and the University Hospitals of Geneva (to Drs. Antonarakis, Bena, and Gallati), and the European Union (EU) (project 219250, to Dr. Sharp; AnEUploidy project 037627, to Drs. Leeuw, Armengol, Antonarakis, Estivill, Veltman, and de Vries). The Irish Autism Study was funded by the Wellcome Trust and the Health Research Board (a grant to Drs. Gallagher and Gill). Dr. Poot was supported by a grant from the Dutch Foundation for Brain Research (Hersenstichting grant 2008(1) 34); Drs. Regan and Knight, by the Oxford Partnership Comprehensive Biomedical Research Centre; Dr. Willatt, by the Cambridge Biomedical Research Centre, with funding from the United Kingdom Department of Health's National Institute for Health Research Biomedical Research Centres funding scheme; Drs. Huang and Maloney, as part of the National Genetics Reference Laboratory (Wessex) by the United Kingdom Department of Health; Ms. Buysse, as a research assistant of the Research Foundation?Flanders (FWO?Vlaanderen); and Dr. Eichler, as an investigator of the Howard Hughes Medical Institute.
Published: 2008

22. Recessive Variants in PIGG Cause a Motor Neuropathy with Variable Conduction Block, Childhood Tremor, and Febrile Seizures: Expanding the Phenotype.

Author: Record CJ, O'Connor A, Verbeek NE, van Rheenen W, Zamba Papanicolaou E, Peric S, Ligthart PC, Skorupinska M, van Binsbergen E, Campeau PM, Ivanovic V, Hennigan B, McHugh JC, Blake JC, Murakami Y, Laura M, Murphy SM, and Reilly MM
Subjects: Humans, Male, Female, Child, Child, Preschool, Adolescent, Motor Neuron Disease genetics, Motor Neuron Disease physiopathology, Pedigree, Membrane Proteins genetics, Neural Conduction physiology, Neural Conduction genetics, Infant, Tremor genetics, Seizures, Febrile genetics, Phenotype
Abstract: Biallelic variants in phosphatidylinositol glycan anchor biosynthesis, class G (PIGG) cause hypotonia, intellectual disability, seizures, and cerebellar features. We present 8 patients from 6 families with a childhood-onset motor neuropathy and neurophysiology demonstrating variable motor conduction block and temporal dispersion. All individuals had a childhood onset tremor, 5 of 8 had cerebellar involvement, and 6 of 8 had childhood febrile seizures. All individuals have biallelic PIGG variants, including the previously reported pathogenic variant Trp505*, plus 6 novel variants. Null enzyme activity is demonstrated via PIGO/PIGG double knockout system for Val339Gly and Gly19Glu, and residual activity for Trp505* due to read-through. Emm negative blood group status was confirmed in 1 family. PIGG should be considered in unsolved motor neuropathy. ANN NEUROL 2025;97:388-396., (© 2024 The Author(s). Annals of Neurology published by Wiley Periodicals LLC on behalf of American Neurological Association.)
Published: 2025
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23. MARK2 variants cause autism spectrum disorder via the downregulation of WNT/β-catenin signaling pathway.

Author: Gong M, Li J, Qin Z, Machado Bressan Wilke MV, Liu Y, Li Q, Liu H, Liang C, Morales-Rosado JA, Cohen ASA, Hughes SS, Sullivan BR, Waddell V, van den Boogaard MH, van Jaarsveld RH, van Binsbergen E, van Gassen KL, Wang T, Hiatt SM, Amaral MD, Kelley WV, Zhao J, Feng W, Ren C, Yu Y, Boczek NJ, Ferber MJ, Lahner C, Elliott S, Ruan Y, Mignot C, Keren B, Xie H, Wang X, Popp B, Zweier C, Piard J, Coubes C, Mau-Them FT, Safraou H, Innes AM, Gauthier J, Michaud JL, Koboldt DC, Sylvie O, Willems M, Tan WH, Cogne B, Rieubland C, Braun D, McLean SD, Platzer K, Zacher P, Oppermann H, Evenepoel L, Blanc P, El Khattabi L, Haque N, Dsouza NR, Zimmermann MT, Urrutia R, Klee EW, Shen Y, Du H, Rappaport L, Liu CM, and Chen X
Subjects: Humans, Animals, Mice, Female, Male, Child, Down-Regulation genetics, Neural Stem Cells metabolism, Child, Preschool, beta Catenin metabolism, beta Catenin genetics, Adolescent, Cell Differentiation genetics, Neurons metabolism, Autism Spectrum Disorder genetics, Autism Spectrum Disorder metabolism, Wnt Signaling Pathway genetics, Protein Serine-Threonine Kinases genetics, Protein Serine-Threonine Kinases metabolism, Induced Pluripotent Stem Cells metabolism
Abstract: Microtubule affinity-regulating kinase 2 (MARK2) contributes to establishing neuronal polarity and developing dendritic spines. Although large-scale sequencing studies have associated MARK2 variants with autism spectrum disorder (ASD), the clinical features and variant spectrum in affected individuals with MARK2 variants, early developmental phenotypes in mutant human neurons, and the pathogenic mechanism underlying effects on neuronal development have remained unclear. Here, we report 31 individuals with MARK2 variants and presenting with ASD, other neurodevelopmental disorders, and distinctive facial features. Loss-of-function (LoF) variants predominate (81%) in affected individuals, while computational analysis and in vitro expression assay of missense variants supported the effect of MARK2 loss. Using proband-derived and CRISPR-engineered isogenic induced pluripotent stem cells (iPSCs), we show that MARK2 loss leads to early neuronal developmental and functional deficits, including anomalous polarity and dis-organization in neural rosettes, as well as imbalanced proliferation and differentiation in neural progenitor cells (NPCs). Mark2 +/- mice showed abnormal cortical formation and partition and ASD-like behavior. Through the use of RNA sequencing (RNA-seq) and lithium treatment, we link MARK2 loss to downregulation of the WNT/β-catenin signaling pathway and identify lithium as a potential drug for treating MARK2-associated ASD., Competing Interests: Declaration of interests The authors declare no competing interests., (Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.)
Published: 2024
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24. Brain malformations and seizures by impaired chaperonin function of TRiC.

Author: Kraft F, Rodriguez-Aliaga P, Yuan W, Franken L, Zajt K, Hasan D, Lee TT, Flex E, Hentschel A, Innes AM, Zheng B, Julia Suh DS, Knopp C, Lausberg E, Krause J, Zhang X, Trapane P, Carroll R, McClatchey M, Fry AE, Wang L, Giesselmann S, Hoang H, Baldridge D, Silverman GA, Radio FC, Bertini E, Ciolfi A, Blood KA, de Sainte Agathe JM, Charles P, Bergant G, Čuturilo G, Peterlin B, Diderich K, Streff H, Robak L, Oegema R, van Binsbergen E, Herriges J, Saunders CJ, Maier A, Wolking S, Weber Y, Lochmüller H, Meyer S, Aleman A, Polavarapu K, Nicolas G, Goldenberg A, Guyant L, Pope K, Hehmeyer KN, Monaghan KG, Quade A, Smol T, Caumes R, Duerinckx S, Depondt C, Van Paesschen W, Rieubland C, Poloni C, Guipponi M, Arcioni S, Meuwissen M, Jansen AC, Rosenblum J, Haack TB, Bertrand M, Gerstner L, Magg J, Riess O, Schulz JB, Wagner N, Wiesmann M, Weis J, Eggermann T, Begemann M, Roos A, Häusler M, Schedl T, Tartaglia M, Bremer J, Pak SC, Frydman J, Elbracht M, and Kurth I
Subjects: Humans, Male, Fibroblasts metabolism, Intellectual Disability genetics, Intellectual Disability metabolism, Protein Subunits metabolism, Protein Subunits genetics, Proteome metabolism, Transcriptome, Magnetic Resonance Imaging, Caenorhabditis elegans, Adult, Brain abnormalities, Brain diagnostic imaging, Brain metabolism, Chaperonin Containing TCP-1 chemistry, Chaperonin Containing TCP-1 genetics, Chaperonin Containing TCP-1 metabolism, Protein Folding, Seizures diagnostic imaging, Seizures genetics, Seizures metabolism
Abstract: Malformations of the brain are common and vary in severity, from negligible to potentially fatal. Their causes have not been fully elucidated. Here, we report pathogenic variants in the core protein-folding machinery TRiC/CCT in individuals with brain malformations, intellectual disability, and seizures. The chaperonin TRiC is an obligate hetero-oligomer, and we identify variants in seven of its eight subunits, all of which impair function or assembly through different mechanisms. Transcriptome and proteome analyses of patient-derived fibroblasts demonstrate the various consequences of TRiC impairment. The results reveal an unexpected and potentially widespread role for protein folding in the development of the central nervous system and define a disease spectrum of "TRiCopathies."
Published: 2024
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25. The effect of breathing exercises and mindset with or without cold exposure on mental and physical health in persons with a spinal cord injury-a protocol for a three-arm randomised-controlled trial.

Author: Hoekstra S, Ettema F, van der Bijll M, van der Sterren V, van Binsbergen E, van Orsouw L, Achterberg W, Daanen H, Janssen T, and de Groot S
Subjects: Adult, Female, Humans, Male, Health Status, Mental Health, Randomized Controlled Trials as Topic, Breathing Exercises methods, Cold Temperature, Spinal Cord Injuries rehabilitation, Spinal Cord Injuries physiopathology, Spinal Cord Injuries complications
Abstract: Study Design: A three-arm randomized controlled trial., Objectives: To investigate the effects of the Wim Hof Method (WHM), with (WHM-C) and without cold exposure (WHM-NC), on mental and physical health in persons with chronic spinal cord injury (SCI)., Setting: Rehabilitation centre (assessments and once-weekly intervention sessions) and home-based (daily intervention sessions)., Methods: Sixty adults with chronic SCI will be randomised (1:1:1) to one of three groups: participants in the intervention groups (i.e., WHM-C and WHM-NC) will engage in a 7-week intervention, with one weekly practice session at the rehabilitation centre and a daily WHM session at home. WHM-NC will consist of breathing exercises and mindset, while participants in WHM-C will partake in breathing exercises, mindset and cold exposure. Participants allocated to usual care (UC) will not receive the WHM intervention. The primary outcome is mental health reported via the Mental Health Inventory (MHI)-5, while secondary outcomes include circulating inflammatory and metabolic marker concentration, pulmonary function, body composition, sleep quality, spasticity, chronic pain and psychological stress., Ethics and Dissemination: Ethics approval has been obtained from the medical ethics committee of the Máxima Medical Centre (Veldhoven, the Netherlands; identifier: w22.069). If shown efficacious in improving mental health, as well as physical health, in persons with chronic SCI, the low cost and accessibility of the WHM allows it to be directly implemented in SCI rehabilitation., Trial Registration Number: NCT05704322., (© 2024. The Author(s), under exclusive licence to International Spinal Cord Society.)
Published: 2024
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26. De novo PHF5A variants are associated with craniofacial abnormalities, developmental delay, and hypospadias.

Author: Harms FL, Dingemans AJM, Hempel M, Pfundt R, Bierhals T, Casar C, Müller C, Niermeijer JF, Fischer J, Jahn A, Hübner C, Majore S, Agolini E, Novelli A, van der Smagt J, Ernst R, van Binsbergen E, Mancini GMS, van Slegtenhorst M, Barakat TS, Wakeling EL, Kamath A, Downie L, Pais L, White SM, de Vries BBA, and Kutsche K
Published: 2023
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27. POU3F3-related disorder: Defining the phenotype and expanding the molecular spectrum.

Author: Rossi A, Blok LS, Neuser S, Klöckner C, Platzer K, Faivre LO, Weigand H, Dentici ML, Tartaglia M, Niceta M, Alfieri P, Srivastava S, Coulter D, Smith L, Vinorum K, Cappuccio G, Brunetti-Pierri N, Torun D, Arslan M, Lauridsen MF, Murch O, Irving R, Lynch SA, Mehta SG, Carmichael J, Zonneveld-Huijssoon E, de Vries B, Kleefstra T, Johannesen KM, Westphall IT, Hughes SS, Smithson S, Evans J, Dudding-Byth T, Simon M, van Binsbergen E, Herkert JC, Beunders G, Oppermann H, Bakal M, Møller RS, Rubboli G, and Bayat A
Subjects: Humans, Child, Phenotype, Mutation, Missense genetics, Developmental Disabilities genetics, POU Domain Factors genetics, Intellectual Disability genetics, Autistic Disorder genetics, Epilepsy genetics
Abstract: POU3F3 variants cause developmental delay, behavioral problems, hypotonia and dysmorphic features. We investigated the phenotypic and genetic landscape, and genotype-phenotype correlations in individuals with POU3F3-related disorders. We recruited unpublished individuals with POU3F3 variants through international collaborations and obtained updated clinical data on previously published individuals. Trio exome sequencing or single exome sequencing followed by segregation analysis were performed in the novel cohort. Functional effects of missense variants were investigated with 3D protein modeling. We included 28 individuals (5 previously published) from 26 families carrying POU3F3 variants; 23 de novo and one inherited from an affected parent. Median age at study inclusion was 7.4 years. All had developmental delay mainly affecting speech, behavioral difficulties, psychiatric comorbidities and dysmorphisms. Additional features included gastrointestinal comorbidities, hearing loss, ophthalmological anomalies, epilepsy, sleep disturbances and joint hypermobility. Autism, hearing and eye comorbidities, dysmorphisms were more common in individuals with truncating variants, whereas epilepsy was only associated with missense variants. In silico structural modeling predicted that all (likely) pathogenic variants destabilize the DNA-binding region of POU3F3. Our study refined the phenotypic and genetic landscape of POU3F3-related disorders, it reports the functional properties of the identified pathogenic variants, and delineates some genotype-phenotype correlations., (© 2023 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.)
Published: 2023
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28. The clinical and molecular spectrum of the KDM6B-related neurodevelopmental disorder.

Author: Rots D, Jakub TE, Keung C, Jackson A, Banka S, Pfundt R, de Vries BBA, van Jaarsveld RH, Hopman SMJ, van Binsbergen E, Valenzuela I, Hempel M, Bierhals T, Kortüm F, Lecoquierre F, Goldenberg A, Hertz JM, Andersen CB, Kibæk M, Prijoles EJ, Stevenson RE, Everman DB, Patterson WG, Meng L, Gijavanekar C, De Dios K, Lakhani S, Levy T, Wagner M, Wieczorek D, Benke PJ, Lopez Garcia MS, Perrier R, Sousa SB, Almeida PM, Simões MJ, Isidor B, Deb W, Schmanski AA, Abdul-Rahman O, Philippe C, Bruel AL, Faivre L, Vitobello A, Thauvin C, Smits JJ, Garavelli L, Caraffi SG, Peluso F, Davis-Keppen L, Platt D, Royer E, Leeuwen L, Sinnema M, Stegmann APA, Stumpel CTRM, Tiller GE, Bosch DGM, Potgieter ST, Joss S, Splitt M, Holden S, Prapa M, Foulds N, Douzgou S, Puura K, Waltes R, Chiocchetti AG, Freitag CM, Satterstrom FK, De Rubeis S, Buxbaum J, Gelb BD, Branko A, Kushima I, Howe J, Scherer SW, Arado A, Baldo C, Patat O, Bénédicte D, Lopergolo D, Santorelli FM, Haack TB, Dufke A, Bertrand M, Falb RJ, Rieß A, Krieg P, Spranger S, Bedeschi MF, Iascone M, Josephi-Taylor S, Roscioli T, Buckley MF, Liebelt J, Dagli AI, Aten E, Hurst ACE, Hicks A, Suri M, Aliu E, Naik S, Sidlow R, Coursimault J, Nicolas G, Küpper H, Petit F, Ibrahim V, Top D, Di Cara F, Louie RJ, Stolerman E, Brunner HG, Vissers LELM, Kramer JM, and Kleefstra T
Subjects: Humans, Animals, Facies, Phenotype, Drosophila, Jumonji Domain-Containing Histone Demethylases genetics, Neurodevelopmental Disorders genetics, Neurodevelopmental Disorders pathology, Intellectual Disability pathology
Abstract: De novo variants are a leading cause of neurodevelopmental disorders (NDDs), but because every monogenic NDD is different and usually extremely rare, it remains a major challenge to understand the complete phenotype and genotype spectrum of any morbid gene. According to OMIM, heterozygous variants in KDM6B cause "neurodevelopmental disorder with coarse facies and mild distal skeletal abnormalities." Here, by examining the molecular and clinical spectrum of 85 reported individuals with mostly de novo (likely) pathogenic KDM6B variants, we demonstrate that this description is inaccurate and potentially misleading. Cognitive deficits are seen consistently in all individuals, but the overall phenotype is highly variable. Notably, coarse facies and distal skeletal anomalies, as defined by OMIM, are rare in this expanded cohort while other features are unexpectedly common (e.g., hypotonia, psychosis, etc.). Using 3D protein structure analysis and an innovative dual Drosophila gain-of-function assay, we demonstrated a disruptive effect of 11 missense/in-frame indels located in or near the enzymatic JmJC or Zn-containing domain of KDM6B. Consistent with the role of KDM6B in human cognition, we demonstrated a role for the Drosophila KDM6B ortholog in memory and behavior. Taken together, we accurately define the broad clinical spectrum of the KDM6B-related NDD, introduce an innovative functional testing paradigm for the assessment of KDM6B variants, and demonstrate a conserved role for KDM6B in cognition and behavior. Our study demonstrates the critical importance of international collaboration, sharing of clinical data, and rigorous functional analysis of genetic variants to ensure correct disease diagnosis for rare disorders., Competing Interests: Declaration of interests S.W.S. is a scientific consultant of Population Bio and the King Abdullaziz University, and Athena Diagnostics has licensed intellectual property from his work held by the Hospital for Sick Children, Toronto., (Copyright © 2023 American Society of Human Genetics. Published by Elsevier Inc. All rights reserved.)
Published: 2023
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29. Clinical diversity and molecular mechanism of VPS35L-associated Ritscher-Schinzel syndrome.

Author: Otsuji S, Nishio Y, Tsujita M, Rio M, Huber C, Antón-Plágaro C, Mizuno S, Kawano Y, Miyatake S, Simon M, van Binsbergen E, van Jaarsveld RH, Matsumoto N, Cormier-Daire V, J Cullen P, Saitoh S, and Kato K
Subjects: Humans, Abnormalities, Multiple genetics, Dandy-Walker Syndrome genetics, Heart Septal Defects, Atrial genetics, Hypercholesterolemia
Abstract: Purpose: The Retriever subunit VPS35L is the third responsible gene for Ritscher-Schinzel syndrome (RSS) after WASHC5 and CCDC22 . To date, only one pair of siblings have been reported and their condition was significantly more severe than typical RSS. This study aimed to understand the clinical spectrum and underlying molecular mechanism in VPS35L-associated RSS., Methods: We report three new patients with biallelic VPS35L variants. Biochemical and cellular analyses were performed to elucidate disease aetiology., Results: In addition to typical features of RSS, we confirmed hypercholesterolaemia, hypogammaglobulinaemia and intestinal lymphangiectasia as novel complications of VPS35L-associated RSS. The latter two complications as well as proteinuria have not been reported in patients with CCDC22 and WASHC5 variants. One patient showed a severe phenotype and the other two were milder. Cells established from patients with the milder phenotypes showed relatively higher VPS35L protein expression. Cellular analysis found VPS35L ablation decreased the cell surface level of lipoprotein receptor-related protein 1 and low-density lipoprotein receptor, resulting in reduced low-density lipoprotein cellular uptake., Conclusion: VPS35L-associated RSS is a distinct clinical entity with diverse phenotype and severity, with a possible molecular mechanism of hypercholesterolaemia. These findings provide new insight into the essential and distinctive role of Retriever in human development., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY. Published by BMJ.)
Published: 2023
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30. Delineation of a KDM2B-related neurodevelopmental disorder and its associated DNA methylation signature.

Author: van Jaarsveld RH, Reilly J, Cornips MC, Hadders MA, Agolini E, Ahimaz P, Anyane-Yeboa K, Bellanger SA, van Binsbergen E, van den Boogaard MJ, Brischoux-Boucher E, Caylor RC, Ciolfi A, van Essen TAJ, Fontana P, Hopman S, Iascone M, Javier MM, Kamsteeg EJ, Kerkhof J, Kido J, Kim HG, Kleefstra T, Lonardo F, Lai A, Lev D, Levy MA, Lewis MES, Lichty A, Mannens MMAM, Matsumoto N, Maya I, McConkey H, Megarbane A, Michaud V, Miele E, Niceta M, Novelli A, Onesimo R, Pfundt R, Popp B, Prijoles E, Relator R, Redon S, Rots D, Rouault K, Saida K, Schieving J, Tartaglia M, Tenconi R, Uguen K, Verbeek N, Walsh CA, Yosovich K, Yuskaitis CJ, Zampino G, Sadikovic B, Alders M, and Oegema R
Subjects: Mice, Animals, Humans, DNA Methylation genetics, DNA, Mutation, Neurodevelopmental Disorders genetics, Intellectual Disability genetics
Abstract: Purpose: Pathogenic variants in genes involved in the epigenetic machinery are an emerging cause of neurodevelopment disorders (NDDs). Lysine-demethylase 2B (KDM2B) encodes an epigenetic regulator and mouse models suggest an important role during development. We set out to determine whether KDM2B variants are associated with NDD., Methods: Through international collaborations, we collected data on individuals with heterozygous KDM2B variants. We applied methylation arrays on peripheral blood DNA samples to determine a KDM2B associated epigenetic signature., Results: We recruited a total of 27 individuals with heterozygous variants in KDM2B. We present evidence, including a shared epigenetic signature, to support a pathogenic classification of 15 KDM2B variants and identify the CxxC domain as a mutational hotspot. Both loss-of-function and CxxC-domain missense variants present with a specific subepisignature. Moreover, the KDM2B episignature was identified in the context of a dual molecular diagnosis in multiple individuals. Our efforts resulted in a cohort of 21 individuals with heterozygous (likely) pathogenic variants. Individuals in this cohort present with developmental delay and/or intellectual disability; autism; attention deficit disorder/attention deficit hyperactivity disorder; congenital organ anomalies mainly of the heart, eyes, and urogenital system; and subtle facial dysmorphism., Conclusion: Pathogenic heterozygous variants in KDM2B are associated with NDD and a specific epigenetic signature detectable in peripheral blood., Competing Interests: Conflict of Interest The authors declare no conflicts of interest., (Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved.)
Published: 2023
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31. De novo variants in POLR3B cause ataxia, spasticity, and demyelinating neuropathy.

Author: Djordjevic D, Pinard M, Gauthier MS, Smith-Hicks C, Hoffman TL, Wolf NI, Oegema R, van Binsbergen E, Baskin B, Bernard G, Fribourg S, Coulombe B, and Yoon G
Published: 2022
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32. TNPO2 variants associate with human developmental delays, neurologic deficits, and dysmorphic features and alter TNPO2 activity in Drosophila.

Author: Goodman LD, Cope H, Nil Z, Ravenscroft TA, Charng WL, Lu S, Tien AC, Pfundt R, Koolen DA, Haaxma CA, Veenstra-Knol HE, Wassink-Ruiter JSK, Wevers MR, Jones M, Walsh LE, Klee VH, Theunis M, Legius E, Steel D, Barwick KES, Kurian MA, Mohammad SS, Dale RC, Terhal PA, van Binsbergen E, Kirmse B, Robinette B, Cogné B, Isidor B, Grebe TA, Kulch P, Hainline BE, Sapp K, Morava E, Klee EW, Macke EL, Trapane P, Spencer C, Si Y, Begtrup A, Moulton MJ, Dutta D, Kanca O, Wangler MF, Yamamoto S, Bellen HJ, and Tan QK
Subjects: Alleles, Amino Acid Sequence, Animals, Developmental Disabilities metabolism, Developmental Disabilities pathology, Drosophila Proteins antagonists & inhibitors, Drosophila Proteins metabolism, Drosophila melanogaster genetics, Drosophila melanogaster growth & development, Drosophila melanogaster metabolism, Eye Diseases, Hereditary metabolism, Eye Diseases, Hereditary pathology, Female, Gene Dosage, Gene Expression Regulation, Developmental, Genome, Human, Humans, Infant, Infant, Newborn, Intellectual Disability metabolism, Intellectual Disability pathology, Karyopherins antagonists & inhibitors, Karyopherins metabolism, Male, Musculoskeletal Abnormalities metabolism, Musculoskeletal Abnormalities pathology, Mutation, Neurons metabolism, Neurons pathology, RNA, Small Interfering genetics, RNA, Small Interfering metabolism, Sequence Alignment, Sequence Homology, Amino Acid, Whole Genome Sequencing, beta Karyopherins metabolism, ran GTP-Binding Protein metabolism, Developmental Disabilities genetics, Drosophila Proteins genetics, Eye Diseases, Hereditary genetics, Intellectual Disability genetics, Karyopherins genetics, Musculoskeletal Abnormalities genetics, beta Karyopherins genetics, ran GTP-Binding Protein genetics
Abstract: Transportin-2 (TNPO2) mediates multiple pathways including non-classical nucleocytoplasmic shuttling of >60 cargoes, such as developmental and neuronal proteins. We identified 15 individuals carrying de novo coding variants in TNPO2 who presented with global developmental delay (GDD), dysmorphic features, ophthalmologic abnormalities, and neurological features. To assess the nature of these variants, functional studies were performed in Drosophila. We found that fly dTnpo (orthologous to TNPO2) is expressed in a subset of neurons. dTnpo is critical for neuronal maintenance and function as downregulating dTnpo in mature neurons using RNAi disrupts neuronal activity and survival. Altering the activity and expression of dTnpo using mutant alleles or RNAi causes developmental defects, including eye and wing deformities and lethality. These effects are dosage dependent as more severe phenotypes are associated with stronger dTnpo loss. Interestingly, similar phenotypes are observed with dTnpo upregulation and ectopic expression of TNPO2, showing that loss and gain of Transportin activity causes developmental defects. Further, proband-associated variants can cause more or less severe developmental abnormalities compared to wild-type TNPO2 when ectopically expressed. The impact of the variants tested seems to correlate with their position within the protein. Specifically, those that fall within the RAN binding domain cause more severe toxicity and those in the acidic loop are less toxic. Variants within the cargo binding domain show tissue-dependent effects. In summary, dTnpo is an essential gene in flies during development and in neurons. Further, proband-associated de novo variants within TNPO2 disrupt the function of the encoded protein. Hence, TNPO2 variants are causative for neurodevelopmental abnormalities., Competing Interests: Declaration of interests The Department of Molecular and Human Genetics at Baylor College of Medicine receives revenue from clinical genetic testing completed at Baylor Genetics Laboratories. Y.S. and A.B. are employees of GeneDx, Inc., (Copyright © 2021 American Society of Human Genetics. Published by Elsevier Inc. All rights reserved.)
Published: 2021
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33. Syndromic disorders caused by gain-of-function variants in KCNH1, KCNK4, and KCNN3-a subgroup of K + channelopathies.

Author: Gripp KW, Smithson SF, Scurr IJ, Baptista J, Majumdar A, Pierre G, Williams M, Henderson LB, Wentzensen IM, McLaughlin H, Leeuwen L, Simon MEH, van Binsbergen E, Dinulos MBP, Kaplan JD, McRae A, Superti-Furga A, Good JM, and Kutsche K
Subjects: Abnormalities, Multiple pathology, Adolescent, Adult, Channelopathies pathology, Child, Craniofacial Abnormalities pathology, Female, Fibromatosis, Gingival pathology, Hallux pathology, Hand Deformities, Congenital pathology, Humans, Intellectual Disability pathology, Male, Nails, Malformed pathology, Phenotype, Thumb pathology, Abnormalities, Multiple genetics, Channelopathies genetics, Craniofacial Abnormalities genetics, Ether-A-Go-Go Potassium Channels genetics, Fibromatosis, Gingival genetics, Gain of Function Mutation, Hallux abnormalities, Hand Deformities, Congenital genetics, Intellectual Disability genetics, Nails, Malformed genetics, Potassium Channels genetics, Small-Conductance Calcium-Activated Potassium Channels genetics, Thumb abnormalities
Abstract: Decreased or increased activity of potassium channels caused by loss-of-function and gain-of-function (GOF) variants in the corresponding genes, respectively, underlies a broad spectrum of human disorders affecting the central nervous system, heart, kidney, and other organs. While the association of epilepsy and intellectual disability (ID) with variants affecting function in genes encoding potassium channels is well known, GOF missense variants in K + channel encoding genes in individuals with syndromic developmental disorders have only recently been recognized. These syndromic phenotypes include Zimmermann-Laband and Temple-Baraitser syndromes, caused by dominant variants in KCNH1, FHEIG syndrome due to dominant variants in KCNK4, and the clinical picture associated with dominant variants in KCNN3. Here we review the presentation of these individuals, including five newly reported with variants in KCNH1 and three additional individuals with KCNN3 variants, all variants likely affecting function. There is notable overlap in the phenotypic findings of these syndromes associated with dominant KCNN3, KCNH1, and KCNK4 variants, sharing developmental delay and/or ID, coarse facial features, gingival enlargement, distal digital hypoplasia, and hypertrichosis. We suggest to combine the phenotypes and define a new subgroup of potassium channelopathies caused by increased K + conductance, referred to as syndromic neurodevelopmental K + channelopathies due to dominant variants in KCNH1, KCNK4, or KCNN3., (© 2021. The Author(s).)
Published: 2021
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34. CSNK2B: A broad spectrum of neurodevelopmental disability and epilepsy severity.

Author: Ernst ME, Baugh EH, Thomas A, Bier L, Lippa N, Stong N, Mulhern MS, Kushary S, Akman CI, Heinzen EL, Yeh R, Bi W, Hanchard NA, Burrage LC, Leduc MS, Chong JSC, Bend R, Lyons MJ, Lee JA, Suwannarat P, Brilstra E, Simon M, Koopmans M, van Binsbergen E, Groepper D, Fleischer J, Nava C, Keren B, Mignot C, Mathieu S, Mancini GMS, Madan-Khetarpal S, Infante EM, Bluvstein J, Seeley A, Bachman K, Klee EW, Schultz-Rogers LE, Hasadsri L, Barnett S, Ellingson MS, Ferber MJ, Narayanan V, Ramsey K, Rauch A, Joset P, Steindl K, Sheehan T, Poduri A, Vasquez A, Ruivenkamp C, White SM, Pais L, Monaghan KG, Goldstein DB, Sands TT, and Aggarwal V
Subjects: Adolescent, Adult, Age of Onset, Child, Child, Preschool, Developmental Disabilities physiopathology, Epilepsies, Myoclonic diagnosis, Epilepsies, Myoclonic etiology, Epilepsies, Myoclonic genetics, Epilepsy, Generalized diagnosis, Epilepsy, Generalized etiology, Exome genetics, Female, Genetic Variation, Humans, Infant, Intellectual Disability etiology, Intellectual Disability genetics, Male, Mutation genetics, Phenotype, Status Epilepticus diagnosis, Status Epilepticus etiology, Status Epilepticus genetics, Young Adult, Developmental Disabilities genetics, Epilepsy, Generalized genetics
Abstract: CSNK2B has recently been implicated as a disease gene for neurodevelopmental disability (NDD) and epilepsy. Information about developmental outcomes has been limited by the young age and short follow-up for many of the previously reported cases, and further delineation of the spectrum of associated phenotypes is needed. We present 25 new patients with variants in CSNK2B and refine the associated NDD and epilepsy phenotypes. CSNK2B variants were identified by research or clinical exome sequencing, and investigators from different centers were connected via GeneMatcher. Most individuals had developmental delay and generalized epilepsy with onset in the first 2 years. However, we found a broad spectrum of phenotypic severity, ranging from early normal development with pharmacoresponsive seizures to profound intellectual disability with intractable epilepsy and recurrent refractory status epilepticus. These findings suggest that CSNK2B should be considered in the diagnostic evaluation of patients with a broad range of NDD with treatable or intractable seizures., (© 2021 International League Against Epilepsy.)
Published: 2021
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35. Clinical Characteristics and Genetic Etiology of Children With Developmental Language Disorder.

Author: Plug MB, van Wijngaarden V, de Wilde H, van Binsbergen E, Stegeman I, van den Boogaard MH, and Smit AL
Abstract: Objective: Developmental language delay (DLD) is one of the most common disabilities in childhood and can negatively affect a child's communication skills and academic and/or psychosocial development. To date, an increasing number of causative genes have been identified by diagnostic techniques like next generation sequencing. An early genetic diagnosis is important to properly prepare and counsel children and parents for possible future difficulties. Despite this, genetic assessment is usually not part of a standardized diagnostic set in children with developmental language delay. In this study, we aim to assess the diagnostic outcomes of children primarily assessed for speech and language delay who were subsequently referred for genetic etiological assessment. Methods: Medical records of children referred to the department of Otorhinolaryngology of the Wilhelmina Children's Hospital for diagnostic work-up for a suspected speech and language delay between June 2011 and December 2018 who were additionally referred to a geneticist were evaluated. Study parameters concerning medical history, behavioral problems, language development, intelligence, and hearing were recorded. Outcomes of genetic analysis were evaluated. Results: A total of 127 patients were diagnosed with a developmental language delay. Genetic analysis was conducted in 119 out of 127 patients with a language delay and eligible for this study. The median time between initial speech and language assessment and the first genetic consultation was 10 months (IQR 5.0-23.0). In 34 out of 127 patients a causative genetic diagnosis was found to explain their DLD. Conclusion: In approximately a quarter of the patients (26.8%) diagnosed with developmental language delay, a causative genetic diagnosis was confirmed. This demonstrates the opportunity to identify an underlying genetic etiology in children with developmental language delay. However, in order to optimize the diagnostic process and clinical care for these children, two important research gaps need to be addressed. First, research should focus on assessing the clinical impact and effect on treatment outcomes of a genetic diagnosis. Secondly, it is important to recognize for which children genetic testing is most beneficial., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Plug, van Wijngaarden, de Wilde, van Binsbergen, Stegeman, van den Boogaard and Smit.)
Published: 2021
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36. Truncating SRCAP variants outside the Floating-Harbor syndrome locus cause a distinct neurodevelopmental disorder with a specific DNA methylation signature.

Author: Rots D, Chater-Diehl E, Dingemans AJM, Goodman SJ, Siu MT, Cytrynbaum C, Choufani S, Hoang N, Walker S, Awamleh Z, Charkow J, Meyn S, Pfundt R, Rinne T, Gardeitchik T, de Vries BBA, Deden AC, Leenders E, Kwint M, Stumpel CTRM, Stevens SJC, Vermeulen JR, van Harssel JVT, Bosch DGM, van Gassen KLI, van Binsbergen E, de Geus CM, Brackel H, Hempel M, Lessel D, Denecke J, Slavotinek A, Strober J, Crunk A, Folk L, Wentzensen IM, Yang H, Zou F, Millan F, Person R, Xie Y, Liu S, Ousager LB, Larsen M, Schultz-Rogers L, Morava E, Klee EW, Berry IR, Campbell J, Lindstrom K, Pruniski B, Neumeyer AM, Radley JA, Phornphutkul C, Schmidt B, Wilson WG, Õunap K, Reinson K, Pajusalu S, van Haeringen A, Ruivenkamp C, Cuperus R, Santos-Simarro F, Palomares-Bralo M, Pacio-Míguez M, Ritter A, Bhoj E, Tønne E, Tveten K, Cappuccio G, Brunetti-Pierri N, Rowe L, Bunn J, Saenz M, Platzer K, Mertens M, Caluseriu O, Nowaczyk MJM, Cohn RD, Kannu P, Alkhunaizi E, Chitayat D, Scherer SW, Brunner HG, Vissers LELM, Kleefstra T, Koolen DA, and Weksberg R
Subjects: Abnormalities, Multiple genetics, Case-Control Studies, Cohort Studies, Craniofacial Abnormalities genetics, Female, Genetic Predisposition to Disease, Growth Disorders genetics, Heart Septal Defects, Ventricular genetics, Humans, Infant, Newborn, Male, Neurodevelopmental Disorders genetics, Abnormalities, Multiple pathology, Adenosine Triphosphatases genetics, Craniofacial Abnormalities pathology, DNA Methylation, Epigenesis, Genetic, Growth Disorders pathology, Heart Septal Defects, Ventricular pathology, Mutation, Neurodevelopmental Disorders pathology, Phenotype
Abstract: Truncating variants in exons 33 and 34 of the SNF2-related CREBBP activator protein (SRCAP) gene cause the neurodevelopmental disorder (NDD) Floating-Harbor syndrome (FLHS), characterized by short stature, speech delay, and facial dysmorphism. Here, we present a cohort of 33 individuals with clinical features distinct from FLHS and truncating (mostly de novo) SRCAP variants either proximal (n = 28) or distal (n = 5) to the FLHS locus. Detailed clinical characterization of the proximal SRCAP individuals identified shared characteristics: developmental delay with or without intellectual disability, behavioral and psychiatric problems, non-specific facial features, musculoskeletal issues, and hypotonia. Because FLHS is known to be associated with a unique set of DNA methylation (DNAm) changes in blood, a DNAm signature, we investigated whether there was a distinct signature associated with our affected individuals. A machine-learning model, based on the FLHS DNAm signature, negatively classified all our tested subjects. Comparing proximal variants with typically developing controls, we identified a DNAm signature distinct from the FLHS signature. Based on the DNAm and clinical data, we refer to the condition as "non-FLHS SRCAP-related NDD." All five distal variants classified negatively using the FLHS DNAm model while two classified positively using the proximal model. This suggests divergent pathogenicity of these variants, though clinically the distal group presented with NDD, similar to the proximal SRCAP group. In summary, for SRCAP, there is a clear relationship between variant location, DNAm profile, and clinical phenotype. These results highlight the power of combined epigenetic, molecular, and clinical studies to identify and characterize genotype-epigenotype-phenotype correlations., (Copyright © 2021 The Author(s). Published by Elsevier Inc. All rights reserved.)
Published: 2021
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37. De novo variants in POLR3B cause ataxia, spasticity, and demyelinating neuropathy.

Author: Djordjevic D, Pinard M, Gauthier MS, Smith-Hicks C, Hoffman TL, Wolf NI, Oegema R, van Binsbergen E, Baskin B, Bernard G, Fribourg S, Coulombe B, and Yoon G
Subjects: Adolescent, Adult, Cerebellar Ataxia genetics, Child, Child, Preschool, Female, Genes, Recessive genetics, Heterozygote, Humans, Male, Mutation, Missense genetics, Proteomics methods, Young Adult, Ataxia genetics, Hereditary Central Nervous System Demyelinating Diseases genetics, RNA Polymerase III genetics
Abstract: POLR3B encodes the second-largest catalytic subunit of RNA polymerase III, an enzyme involved in transcription. Bi-allelic pathogenic variants in POLR3B are a well-established cause of hypomyelinating leukodystrophy. We describe six unrelated individuals with de novo missense variants in POLR3B and a clinical presentation substantially different from POLR3-related leukodystrophy. These individuals had afferent ataxia, spasticity, variable intellectual disability and epilepsy, and predominantly demyelinating sensory motor peripheral neuropathy. Protein modeling and proteomic analysis revealed a distinct mechanism of pathogenicity; the de novo POLR3B variants caused aberrant association of individual enzyme subunits rather than affecting overall enzyme assembly or stability. We expand the spectrum of disorders associated with pathogenic variants in POLR3B to include a de novo heterozygous POLR3B-related disorder., (Copyright © 2020 American Society of Human Genetics. Published by Elsevier Inc. All rights reserved.)
Published: 2021
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38. Mutations of the Transcriptional Corepressor ZMYM2 Cause Syndromic Urinary Tract Malformations.

Author: Connaughton DM, Dai R, Owen DJ, Marquez J, Mann N, Graham-Paquin AL, Nakayama M, Coyaud E, Laurent EMN, St-Germain JR, Blok LS, Vino A, Klämbt V, Deutsch K, Wu CW, Kolvenbach CM, Kause F, Ottlewski I, Schneider R, Kitzler TM, Majmundar AJ, Buerger F, Onuchic-Whitford AC, Youying M, Kolb A, Salmanullah D, Chen E, van der Ven AT, Rao J, Ityel H, Seltzsam S, Rieke JM, Chen J, Vivante A, Hwang DY, Kohl S, Dworschak GC, Hermle T, Alders M, Bartolomaeus T, Bauer SB, Baum MA, Brilstra EH, Challman TD, Zyskind J, Costin CE, Dipple KM, Duijkers FA, Ferguson M, Fitzpatrick DR, Fick R, Glass IA, Hulick PJ, Kline AD, Krey I, Kumar S, Lu W, Marco EJ, Wentzensen IM, Mefford HC, Platzer K, Povolotskaya IS, Savatt JM, Shcherbakova NV, Senguttuvan P, Squire AE, Stein DR, Thiffault I, Voinova VY, Somers MJG, Ferguson MA, Traum AZ, Daouk GH, Daga A, Rodig NM, Terhal PA, van Binsbergen E, Eid LA, Tasic V, Rasouly HM, Lim TY, Ahram DF, Gharavi AG, Reutter HM, Rehm HL, MacArthur DG, Lek M, Laricchia KM, Lifton RP, Xu H, Mane SM, Sanna-Cherchi S, Sharrocks AD, Raught B, Fisher SE, Bouchard M, Khokha MK, Shril S, and Hildebrandt F
Subjects: Amphibian Proteins antagonists & inhibitors, Amphibian Proteins genetics, Amphibian Proteins metabolism, Animals, Case-Control Studies, Child, Child, Preschool, DNA-Binding Proteins metabolism, Family, Female, Forkhead Transcription Factors metabolism, Heterozygote, Humans, Infant, Larva genetics, Larva growth & development, Larva metabolism, Male, Mice, Mice, Knockout, Morpholinos genetics, Morpholinos metabolism, Pedigree, Protein Binding, Repressor Proteins metabolism, Transcription Factors metabolism, Urinary Tract abnormalities, Urogenital Abnormalities metabolism, Urogenital Abnormalities pathology, Exome Sequencing, Xenopus, DNA-Binding Proteins genetics, Epigenesis, Genetic, Forkhead Transcription Factors genetics, Mutation, Repressor Proteins genetics, Transcription Factors genetics, Urinary Tract metabolism, Urogenital Abnormalities genetics
Abstract: Congenital anomalies of the kidney and urinary tract (CAKUT) constitute one of the most frequent birth defects and represent the most common cause of chronic kidney disease in the first three decades of life. Despite the discovery of dozens of monogenic causes of CAKUT, most pathogenic pathways remain elusive. We performed whole-exome sequencing (WES) in 551 individuals with CAKUT and identified a heterozygous de novo stop-gain variant in ZMYM2 in two different families with CAKUT. Through collaboration, we identified in total 14 different heterozygous loss-of-function mutations in ZMYM2 in 15 unrelated families. Most mutations occurred de novo, indicating possible interference with reproductive function. Human disease features are replicated in X. tropicalis larvae with morpholino knockdowns, in which expression of truncated ZMYM2 proteins, based on individual mutations, failed to rescue renal and craniofacial defects. Moreover, heterozygous Zmym2-deficient mice recapitulated features of CAKUT with high penetrance. The ZMYM2 protein is a component of a transcriptional corepressor complex recently linked to the silencing of developmentally regulated endogenous retrovirus elements. Using protein-protein interaction assays, we show that ZMYM2 interacts with additional epigenetic silencing complexes, as well as confirming that it binds to FOXP1, a transcription factor that has also been linked to CAKUT. In summary, our findings establish that loss-of-function mutations of ZMYM2, and potentially that of other proteins in its interactome, as causes of human CAKUT, offering new routes for studying the pathogenesis of the disorder., (Copyright © 2020 American Society of Human Genetics. Published by Elsevier Inc. All rights reserved.)
Published: 2020
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39. De novo and inherited variants in ZNF292 underlie a neurodevelopmental disorder with features of autism spectrum disorder.

Author: Mirzaa GM, Chong JX, Piton A, Popp B, Foss K, Guo H, Harripaul R, Xia K, Scheck J, Aldinger KA, Sajan SA, Tang S, Bonneau D, Beck A, White J, Mahida S, Harris J, Smith-Hicks C, Hoyer J, Zweier C, Reis A, Thiel CT, Jamra RA, Zeid N, Yang A, Farach LS, Walsh L, Payne K, Rohena L, Velinov M, Ziegler A, Schaefer E, Gatinois V, Geneviève D, Simon MEH, Kohler J, Rotenberg J, Wheeler P, Larson A, Ernst ME, Akman CI, Westman R, Blanchet P, Schillaci LA, Vincent-Delorme C, Gripp KW, Mattioli F, Guyader GL, Gerard B, Mathieu-Dramard M, Morin G, Sasanfar R, Ayub M, Vasli N, Yang S, Person R, Monaghan KG, Nickerson DA, van Binsbergen E, Enns GM, Dries AM, Rowe LJ, Tsai ACH, Svihovec S, Friedman J, Agha Z, Qamar R, Rodan LH, Martinez-Agosto J, Ockeloen CW, Vincent M, Sunderland WJ, Bernstein JA, Eichler EE, Vincent JB, and Bamshad MJ
Subjects: Adolescent, Autism Spectrum Disorder diagnosis, Autism Spectrum Disorder diagnostic imaging, Autism Spectrum Disorder pathology, Child, Child, Preschool, Female, High-Throughput Nucleotide Sequencing methods, Humans, Male, Neurodevelopmental Disorders diagnosis, Neurodevelopmental Disorders diagnostic imaging, Neurodevelopmental Disorders pathology, Neuroimaging methods, Exome Sequencing methods, Autism Spectrum Disorder genetics, Carrier Proteins genetics, Genetic Predisposition to Disease, Nerve Tissue Proteins genetics, Neurodevelopmental Disorders genetics
Abstract: Purpose: Intellectual disability (ID) and autism spectrum disorder (ASD) are genetically heterogeneous neurodevelopmental disorders. We sought to delineate the clinical, molecular, and neuroimaging spectrum of a novel neurodevelopmental disorder caused by variants in the zinc finger protein 292 gene (ZNF292)., Methods: We ascertained a cohort of 28 families with ID due to putatively pathogenic ZNF292 variants that were identified via targeted and exome sequencing. Available data were analyzed to characterize the canonical phenotype and examine genotype-phenotype relationships., Results: Probands presented with ID as well as a spectrum of neurodevelopmental features including ASD, among others. All ZNF292 variants were de novo, except in one family with dominant inheritance. ZNF292 encodes a highly conserved zinc finger protein that acts as a transcription factor and is highly expressed in the developing human brain supporting its critical role in neurodevelopment., Conclusion: De novo and dominantly inherited variants in ZNF292 are associated with a range of neurodevelopmental features including ID and ASD. The clinical spectrum is broad, and most individuals present with mild to moderate ID with or without other syndromic features. Our results suggest that variants in ZNF292 are likely a recurrent cause of a neurodevelopmental disorder manifesting as ID with or without ASD.
Published: 2020
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40. Partial Loss of USP9X Function Leads to a Male Neurodevelopmental and Behavioral Disorder Converging on Transforming Growth Factor β Signaling.

Author: Johnson BV, Kumar R, Oishi S, Alexander S, Kasherman M, Vega MS, Ivancevic A, Gardner A, Domingo D, Corbett M, Parnell E, Yoon S, Oh T, Lines M, Lefroy H, Kini U, Van Allen M, Grønborg S, Mercier S, Küry S, Bézieau S, Pasquier L, Raynaud M, Afenjar A, Billette de Villemeur T, Keren B, Désir J, Van Maldergem L, Marangoni M, Dikow N, Koolen DA, VanHasselt PM, Weiss M, Zwijnenburg P, Sa J, Reis CF, López-Otín C, Santiago-Fernández O, Fernández-Jaén A, Rauch A, Steindl K, Joset P, Goldstein A, Madan-Khetarpal S, Infante E, Zackai E, Mcdougall C, Narayanan V, Ramsey K, Mercimek-Andrews S, Pena L, Shashi V, Schoch K, Sullivan JA, Pinto E Vairo F, Pichurin PN, Ewing SA, Barnett SS, Klee EW, Perry MS, Koenig MK, Keegan CE, Schuette JL, Asher S, Perilla-Young Y, Smith LD, Rosenfeld JA, Bhoj E, Kaplan P, Li D, Oegema R, van Binsbergen E, van der Zwaag B, Smeland MF, Cutcutache I, Page M, Armstrong M, Lin AE, Steeves MA, Hollander ND, Hoffer MJV, Reijnders MRF, Demirdas S, Koboldt DC, Bartholomew D, Mosher TM, Hickey SE, Shieh C, Sanchez-Lara PA, Graham JM Jr, Tezcan K, Schaefer GB, Danylchuk NR, Asamoah A, Jackson KE, Yachelevich N, Au M, Pérez-Jurado LA, Kleefstra T, Penzes P, Wood SA, Burne T, Pierson TM, Piper M, Gécz J, and Jolly LA
Subjects: Animals, Female, Haploinsufficiency, Humans, Male, Mice, Phenotype, Signal Transduction, Ubiquitin Thiolesterase genetics, Ubiquitin Thiolesterase metabolism, Developmental Disabilities genetics, Intellectual Disability genetics, Transforming Growth Factor beta
Abstract: Background: The X-chromosome gene USP9X encodes a deubiquitylating enzyme that has been associated with neurodevelopmental disorders primarily in female subjects. USP9X escapes X inactivation, and in female subjects de novo heterozygous copy number loss or truncating mutations cause haploinsufficiency culminating in a recognizable syndrome with intellectual disability and signature brain and congenital abnormalities. In contrast, the involvement of USP9X in male neurodevelopmental disorders remains tentative., Methods: We used clinically recommended guidelines to collect and interrogate the pathogenicity of 44 USP9X variants associated with neurodevelopmental disorders in males. Functional studies in patient-derived cell lines and mice were used to determine mechanisms of pathology., Results: Twelve missense variants showed strong evidence of pathogenicity. We define a characteristic phenotype of the central nervous system (white matter disturbances, thin corpus callosum, and widened ventricles); global delay with significant alteration of speech, language, and behavior; hypotonia; joint hypermobility; visual system defects; and other common congenital and dysmorphic features. Comparison of in silico and phenotypical features align additional variants of unknown significance with likely pathogenicity. In support of partial loss-of-function mechanisms, using patient-derived cell lines, we show loss of only specific USP9X substrates that regulate neurodevelopmental signaling pathways and a united defect in transforming growth factor β signaling. In addition, we find correlates of the male phenotype in Usp9x brain-specific knockout mice, and further resolve loss of hippocampal-dependent learning and memory., Conclusions: Our data demonstrate the involvement of USP9X variants in a distinctive neurodevelopmental and behavioral syndrome in male subjects and identify plausible mechanisms of pathogenesis centered on disrupted transforming growth factor β signaling and hippocampal function., (Copyright © 2019 Society of Biological Psychiatry. All rights reserved.)
Published: 2020
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41. Prioritization of genes driving congenital phenotypes of patients with de novo genomic structural variants.

Author: Middelkamp S, Vlaar JM, Giltay J, Korzelius J, Besselink N, Boymans S, Janssen R, de la Fonteijne L, van Binsbergen E, van Roosmalen MJ, Hochstenbach R, Giachino D, Talkowski ME, Kloosterman WP, and Cuppen E
Subjects: Computational Biology methods, DNA Copy Number Variations, Genome, Human, Genomic Structural Variation, Humans, Molecular Sequence Annotation, Whole Genome Sequencing, Genetic Association Studies, Genetic Diseases, Inborn diagnosis, Genetic Diseases, Inborn genetics, Genetic Predisposition to Disease, Genetic Variation, Phenotype
Abstract: Background: Genomic structural variants (SVs) can affect many genes and regulatory elements. Therefore, the molecular mechanisms driving the phenotypes of patients carrying de novo SVs are frequently unknown., Methods: We applied a combination of systematic experimental and bioinformatic methods to improve the molecular diagnosis of 39 patients with multiple congenital abnormalities and/or intellectual disability harboring apparent de novo SVs, most with an inconclusive diagnosis after regular genetic testing., Results: In 7 of these cases (18%), whole-genome sequencing analysis revealed disease-relevant complexities of the SVs missed in routine microarray-based analyses. We developed a computational tool to predict the effects on genes directly affected by SVs and on genes indirectly affected likely due to the changes in chromatin organization and impact on regulatory mechanisms. By combining these functional predictions with extensive phenotype information, candidate driver genes were identified in 16/39 (41%) patients. In 8 cases, evidence was found for the involvement of multiple candidate drivers contributing to different parts of the phenotypes. Subsequently, we applied this computational method to two cohorts containing a total of 379 patients with previously detected and classified de novo SVs and identified candidate driver genes in 189 cases (50%), including 40 cases whose SVs were previously not classified as pathogenic. Pathogenic position effects were predicted in 28% of all studied cases with balanced SVs and in 11% of the cases with copy number variants., Conclusions: These results demonstrate an integrated computational and experimental approach to predict driver genes based on analyses of WGS data with phenotype association and chromatin organization datasets. These analyses nominate new pathogenic loci and have strong potential to improve the molecular diagnosis of patients with de novo SVs.
Published: 2019
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42. A survey of undetected, clinically relevant chromosome abnormalities when replacing postnatal karyotyping by Whole Genome Sequencing.

Author: Hochstenbach R, van Binsbergen E, Schuring-Blom H, Buijs A, and Ploos van Amstel HK
Subjects: Chromosome Aberrations, Chromosome Disorders diagnosis, Genetic Testing standards, Humans, Infant, Newborn, Karyotyping standards, Sensitivity and Specificity, Whole Genome Sequencing standards, Chromosome Disorders genetics, Genetic Testing methods, Karyotyping methods, Whole Genome Sequencing methods
Abstract: Whole genome sequencing (WGS) holds the potential to identify pathogenic gene mutations, copy number variation, uniparental disomy and structural rearrangements in a single genetic test. With its high diagnostic yield and decreasing costs, the question arises whether WGS can serve as a single test for all referrals to diagnostic genome laboratories ("one test fits all"). Here, we provide an estimate for the proportion of clinically relevant aberrations identified by light microscopy in postnatal referrals that would go undetected by WGS. To this end, we compiled the clinically relevant abnormal findings for each of the different referral categories in our laboratory during the period 2006-2015. We assumed that WGS would be performed on 300-500 bp DNA fragments with 150-bp paired sequence reads, and that the mean genome coverage is 30x, corresponding to current practice. For the detection of chromosomal mosaicism we set minimum thresholds of 10% for monosomy and 20% for trisomy. Based on the literature we assumed that balanced Robertsonian translocations and ∼9% of other, balanced chromosome rearrangements would not be detectable because of breakpoints in sequences of repetitive DNA. Based on our analysis of all 14,957 referrals, including 1455 abnormal cases, we show that at least 8.1% of these abnormalities would escape detection (corresponding to 0.79% of all referrals). The highest rate occurs in referrals of premature ovarian failure, as 73.3% of abnormalities would not be identified because of the frequent occurrence of low-level sex chromosome mosaicism. Among referrals of recurrent miscarriage, 25.6% of abnormalities would go undetected, mainly because of a high proportion of balanced Robertsonian translocations. In referrals of mental retardation (with or without multiple congenital anomalies) the abnormality would be missed in only 0.35% of referrals. These include cases without imbalances of unique DNA sequences but of clinical relevance, as for example, r(20) epilepsy syndrome. The expected shift to large-scale implementation of WGS ("one test fits most") as initial genetic test will be beneficial to patients and their families, since a cause for the clinical phenotype can be identified in more cases by a single genetic test at an early phase in the diagnostic process. However, a niche for genome analysis by light microscopy will remain. For example, in referrals of newborns with a suspicion of Down syndrome, karyotyping is not only a cost-effective method for providing a quick diagnosis, but also discriminates between trisomy 21 and a Robertsonian translocation involving chromosome 21. Thus, when replacing karyotyping by WGS, one must be aware of the rates and spectra of undetected abnormalities. In addition, it is equally important that requirements for cytogenetic follow-up studies are recognized., (Copyright © 2018 Elsevier Masson SAS. All rights reserved.)
Published: 2019
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43. Deletions and loss-of-function variants in TP63 associated with orofacial clefting.

Author: Khandelwal KD, van den Boogaard MH, Mehrem SL, Gebel J, Fagerberg C, van Beusekom E, van Binsbergen E, Topaloglu O, Steehouwer M, Gilissen C, Ishorst N, van Rooij IALM, Roeleveld N, Christensen K, Schoenaers J, Bergé S, Murray JC, Hens G, Devriendt K, Ludwig KU, Mangold E, Hoischen A, Zhou H, Dötsch V, Carels CEL, and van Bokhoven H
Subjects: Adult, Amino Acid Substitution, Cohort Studies, Female, Humans, Male, Middle Aged, Mutation, Missense, Alleles, Base Sequence, Cleft Lip genetics, Cleft Palate genetics, Loss of Function Mutation, Sequence Deletion, Transcription Factors genetics, Tumor Suppressor Proteins genetics
Abstract: We aimed to identify novel deletions and variants of TP63 associated with orofacial clefting (OFC). Copy number variants were assessed in three OFC families using microarray analysis. Subsequently, we analyzed TP63 in a cohort of 1072 individuals affected with OFC and 706 population-based controls using molecular inversion probes (MIPs). We identified partial deletions of TP63 in individuals from three families affected with OFC. In the OFC cohort, we identified several TP63 variants predicting to cause loss-of-function alleles, including a frameshift variant c.569_576del (p.(Ala190Aspfs*5)) and a nonsense variant c.997C>T (p.(Gln333*)) that introduces a premature stop codon in the DNA-binding domain. In addition, we identified the first missense variants in the oligomerization domain c.1213G>A (p.(Val405Met)), which occurred in individuals with OFC. This variant was shown to abrogate oligomerization of mutant p63 protein into oligomeric complexes, and therefore likely represents a loss-of-function allele rather than a dominant-negative. All of these variants were inherited from an unaffected parent, suggesting reduced penetrance of such loss-of-function alleles. Our data indicate that loss-of-function alleles in TP63 can also give rise to OFC as the main phenotype. We have uncovered the dosage-dependent functions of p63, which were previously rejected.
Published: 2019
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44. Author Correction: CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language.

Author: Snijders Blok L, Rousseau J, Twist J, Ehresmann S, Takaku M, Venselaar H, Rodan LH, Nowak CB, Douglas J, Swoboda KJ, Steeves MA, Sahai I, Stumpel CTRM, Stegmann APA, Wheeler P, Willing M, Fiala E, Kochhar A, Gibson WT, Cohen ASA, Agbahovbe R, Innes AM, Au PYB, Rankin J, Anderson IJ, Skinner SA, Louie RJ, Warren HE, Afenjar A, Keren B, Nava C, Buratti J, Isapof A, Rodriguez D, Lewandowski R, Propst J, van Essen T, Choi M, Lee S, Chae JH, Price S, Schnur RE, Douglas G, Wentzensen IM, Zweier C, Reis A, Bialer MG, Moore C, Koopmans M, Brilstra EH, Monroe GR, van Gassen KLI, van Binsbergen E, Newbury-Ecob R, Bownass L, Bader I, Mayr JA, Wortmann SB, Jakielski KJ, Strand EA, Kloth K, Bierhals T, Roberts JD, Petrovich RM, Machida S, Kurumizaka H, Lelieveld S, Pfundt R, Jansen S, Deriziotis P, Faivre L, Thevenon J, Assoum M, Shriberg L, Kleefstra T, Brunner HG, Wade PA, Fisher SE, and Campeau PM
Abstract: The HTML and PDF versions of this Article were updated after publication to remove images of one individual from Figure 1.
Published: 2019
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45. De novo variants in FBXO11 cause a syndromic form of intellectual disability with behavioral problems and dysmorphisms.

Author: Jansen S, van der Werf IM, Innes AM, Afenjar A, Agrawal PB, Anderson IJ, Atwal PS, van Binsbergen E, van den Boogaard MJ, Castiglia L, Coban-Akdemir ZH, van Dijck A, Doummar D, van Eerde AM, van Essen AJ, van Gassen KL, Guillen Sacoto MJ, van Haelst MM, Iossifov I, Jackson JL, Judd E, Kaiwar C, Keren B, Klee EW, Klein Wassink-Ruiter JS, Meuwissen ME, Monaghan KG, de Munnik SA, Nava C, Ockeloen CW, Pettinato R, Racher H, Rinne T, Romano C, Sanders VR, Schnur RE, Smeets EJ, Stegmann APA, Stray-Pedersen A, Sweetser DA, Terhal PA, Tveten K, VanNoy GE, de Vries PF, Waxler JL, Willing M, Pfundt R, Veltman JA, Kooy RF, Vissers LELM, and de Vries BBA
Subjects: Gene Deletion, Humans, Syndrome, Abnormalities, Multiple genetics, Behavior, F-Box Proteins genetics, Genetic Variation, Intellectual Disability genetics, Protein-Arginine N-Methyltransferases genetics
Abstract: Determining pathogenicity of genomic variation identified by next-generation sequencing techniques can be supported by recurrent disruptive variants in the same gene in phenotypically similar individuals. However, interpretation of novel variants in a specific gene in individuals with mild-moderate intellectual disability (ID) without recognizable syndromic features can be challenging and reverse phenotyping is often required. We describe 24 individuals with a de novo disease-causing variant in, or partial deletion of, the F-box only protein 11 gene (FBXO11, also known as VIT1 and PRMT9). FBXO11 is part of the SCF (SKP1-cullin-F-box) complex, a multi-protein E3 ubiquitin-ligase complex catalyzing the ubiquitination of proteins destined for proteasomal degradation. Twenty-two variants were identified by next-generation sequencing, comprising 2 in-frame deletions, 11 missense variants, 1 canonical splice site variant, and 8 nonsense or frameshift variants leading to a truncated protein or degraded transcript. The remaining two variants were identified by array-comparative genomic hybridization and consisted of a partial deletion of FBXO11. All individuals had borderline to severe ID and behavioral problems (autism spectrum disorder, attention-deficit/hyperactivity disorder, anxiety, aggression) were observed in most of them. The most relevant common facial features included a thin upper lip and a broad prominent space between the paramedian peaks of the upper lip. Other features were hypotonia and hyperlaxity of the joints. We show that de novo variants in FBXO11 cause a syndromic form of ID. The current series show the power of reverse phenotyping in the interpretation of novel genetic variances in individuals who initially did not appear to have a clear recognizable phenotype.
Published: 2019
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46. De Novo Missense Substitutions in the Gene Encoding CDK8, a Regulator of the Mediator Complex, Cause a Syndromic Developmental Disorder.

Author: Calpena E, Hervieu A, Kaserer T, Swagemakers SMA, Goos JAC, Popoola O, Ortiz-Ruiz MJ, Barbaro-Dieber T, Bownass L, Brilstra EH, Brimble E, Foulds N, Grebe TA, Harder AVE, Lees MM, Monaghan KG, Newbury-Ecob RA, Ong KR, Osio D, Reynoso Santos FJ, Ruzhnikov MRZ, Telegrafi A, van Binsbergen E, van Dooren MF, van der Spek PJ, Blagg J, Twigg SRF, Mathijssen IMJ, Clarke PA, and Wilkie AOM
Subjects: Brain abnormalities, Child, Child, Preschool, Cyclin C genetics, Cyclin-Dependent Kinases genetics, Exome, Female, Heart Defects, Congenital genetics, Heterozygote, Humans, Infant, Intellectual Disability genetics, Male, Mutation, Phenotype, Phosphorylation, Syndrome, Cyclin-Dependent Kinase 8 genetics, Developmental Disabilities genetics, Mediator Complex genetics, Mutation, Missense
Abstract: The Mediator is an evolutionarily conserved, multi-subunit complex that regulates multiple steps of transcription. Mediator activity is regulated by the reversible association of a four-subunit module comprising CDK8 or CDK19 kinases, together with cyclin C, MED12 or MED12L, and MED13 or MED13L. Mutations in MED12, MED13, and MED13L were previously identified in syndromic developmental disorders with overlapping phenotypes. Here, we report CDK8 mutations (located at 13q12.13) that cause a phenotypically related disorder. Using whole-exome or whole-genome sequencing, and by international collaboration, we identified eight different heterozygous missense CDK8 substitutions, including 10 shown to have arisen de novo, in 12 unrelated subjects; a recurrent mutation, c.185C>T (p.Ser62Leu), was present in five individuals. All predicted substitutions localize to the ATP-binding pocket of the kinase domain. Affected individuals have overlapping phenotypes characterized by hypotonia, mild to moderate intellectual disability, behavioral disorders, and variable facial dysmorphism. Congenital heart disease occurred in six subjects; additional features present in multiple individuals included agenesis of the corpus callosum, ano-rectal malformations, seizures, and hearing or visual impairments. To evaluate the functional impact of the mutations, we measured phosphorylation at STAT1-Ser727, a known CDK8 substrate, in a CDK8 and CDK19 CRISPR double-knockout cell line transfected with wild-type (WT) or mutant CDK8 constructs. These experiments demonstrated a reduction in STAT1 phosphorylation by all mutants, in most cases to a similar extent as in a kinase-dead control. We conclude that missense mutations in CDK8 cause a developmental disorder that has phenotypic similarity to syndromes associated with mutations in other subunits of the Mediator kinase module, indicating probable overlap in pathogenic mechanisms., (Copyright © 2019 The Author(s). Published by Elsevier Inc. All rights reserved.)
Published: 2019
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47. Author Correction: CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language.

Author: Blok LS, Rousseau J, Twist J, Ehresmann S, Takaku M, Venselaar H, Rodan LH, Nowak CB, Douglas J, Swoboda KJ, Steeves MA, Sahai I, Stumpel CTRM, Stegmann APA, Wheeler P, Willing M, Fiala E, Kochhar A, Gibson WT, Cohen ASA, Agbahovbe R, Innes AM, Au PYB, Rankin J, Anderson IJ, Skinner SA, Louie RJ, Warren HE, Afenjar A, Keren B, Nava C, Buratti J, Isapof A, Rodriguez D, Lewandowski R, Propst J, van Essen T, Choi M, Lee S, Chae JH, Price S, Schnur RE, Douglas G, Wentzensen IM, Zweier C, Reis A, Bialer MG, Moore C, Koopmans M, Brilstra EH, Monroe GR, van Gassen KLI, van Binsbergen E, Newbury-Ecob R, Bownass L, Bader I, Mayr JA, Wortmann SB, Jakielski KJ, Strand EA, Kloth K, Bierhals T, Roberts JD, Petrovich RM, Machida S, Kurumizaka H, Lelieveld S, Pfundt R, Jansen S, Deriziotis P, Faivre L, Thevenon J, Assoum M, Shriberg L, Kleefstra T, Brunner HG, Wade PA, Fisher SE, and Campeau PM
Abstract: The original version of this Article contained an error in the spelling of the author Laurence Faivre, which was incorrectly given as Laurence Faive. This has now been corrected in both the PDF and HTML versions of the Article.
Published: 2019
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48. CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language.

Author: Snijders Blok L, Rousseau J, Twist J, Ehresmann S, Takaku M, Venselaar H, Rodan LH, Nowak CB, Douglas J, Swoboda KJ, Steeves MA, Sahai I, Stumpel CTRM, Stegmann APA, Wheeler P, Willing M, Fiala E, Kochhar A, Gibson WT, Cohen ASA, Agbahovbe R, Innes AM, Au PYB, Rankin J, Anderson IJ, Skinner SA, Louie RJ, Warren HE, Afenjar A, Keren B, Nava C, Buratti J, Isapof A, Rodriguez D, Lewandowski R, Propst J, van Essen T, Choi M, Lee S, Chae JH, Price S, Schnur RE, Douglas G, Wentzensen IM, Zweier C, Reis A, Bialer MG, Moore C, Koopmans M, Brilstra EH, Monroe GR, van Gassen KLI, van Binsbergen E, Newbury-Ecob R, Bownass L, Bader I, Mayr JA, Wortmann SB, Jakielski KJ, Strand EA, Kloth K, Bierhals T, Roberts JD, Petrovich RM, Machida S, Kurumizaka H, Lelieveld S, Pfundt R, Jansen S, Deriziotis P, Faivre L, Thevenon J, Assoum M, Shriberg L, Kleefstra T, Brunner HG, Wade PA, Fisher SE, and Campeau PM
Subjects: Adenosine Triphosphatases, Child, Preschool, Chromatin Assembly and Disassembly, Female, Gene Expression, Genotype, HEK293 Cells, Humans, Intellectual Disability genetics, Male, Models, Molecular, Phenotype, Whole Genome Sequencing, DNA Helicases genetics, Developmental Disabilities genetics, Language Disorders genetics, Megalencephaly genetics, Mi-2 Nucleosome Remodeling and Deacetylase Complex genetics, Mutation, Missense, Neurodevelopmental Disorders genetics, Protein Domains genetics, Speech Disorders genetics
Abstract: Chromatin remodeling is of crucial importance during brain development. Pathogenic alterations of several chromatin remodeling ATPases have been implicated in neurodevelopmental disorders. We describe an index case with a de novo missense mutation in CHD3, identified during whole genome sequencing of a cohort of children with rare speech disorders. To gain a comprehensive view of features associated with disruption of this gene, we use a genotype-driven approach, collecting and characterizing 35 individuals with de novo CHD3 mutations and overlapping phenotypes. Most mutations cluster within the ATPase/helicase domain of the encoded protein. Modeling their impact on the three-dimensional structure demonstrates disturbance of critical binding and interaction motifs. Experimental assays with six of the identified mutations show that a subset directly affects ATPase activity, and all but one yield alterations in chromatin remodeling. We implicate de novo CHD3 mutations in a syndrome characterized by intellectual disability, macrocephaly, and impaired speech and language.
Published: 2018
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49. NBEA: Developmental disease gene with early generalized epilepsy phenotypes.

Author: Mulhern MS, Stumpel C, Stong N, Brunner HG, Bier L, Lippa N, Riviello J, Rouhl RPW, Kempers M, Pfundt R, Stegmann APA, Kukolich MK, Telegrafi A, Lehman A, Lopez-Rangel E, Houcinat N, Barth M, den Hollander N, Hoffer MJV, Weckhuysen S, Roovers J, Djemie T, Barca D, Ceulemans B, Craiu D, Lemke JR, Korff C, Mefford HC, Meyers CT, Siegler Z, Hiatt SM, Cooper GM, Bebin EM, Snijders Blok L, Veenstra-Knol HE, Baugh EH, Brilstra EH, Volker-Touw CML, van Binsbergen E, Revah-Politi A, Pereira E, McBrian D, Pacault M, Isidor B, Le Caignec C, Gilbert-Dussardier B, Bilan F, Heinzen EL, Goldstein DB, Stevens SJC, and Sands TT
Subjects: Adolescent, Child, Child, Preschool, Epilepsy, Generalized genetics, Female, Genotype, Humans, Male, Mutation, Phenotype, Carrier Proteins genetics, Nerve Tissue Proteins genetics, Neurodevelopmental Disorders genetics
Abstract: NBEA is a candidate gene for autism, and de novo variants have been reported in neurodevelopmental disease (NDD) cohorts. However, NBEA has not been rigorously evaluated as a disease gene, and associated phenotypes have not been delineated. We identified 24 de novo NBEA variants in patients with NDD, establishing NBEA as an NDD gene. Most patients had epilepsy with onset in the first few years of life, often characterized by generalized seizure types, including myoclonic and atonic seizures. Our data show a broader phenotypic spectrum than previously described, including a myoclonic-astatic epilepsy-like phenotype in a subset of patients. Ann Neurol 2018;84:796-803., (© 2018 American Neurological Association.)
Published: 2018
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50. Delineating SPTAN1 associated phenotypes: from isolated epilepsy to encephalopathy with progressive brain atrophy.

Author: Syrbe S, Harms FL, Parrini E, Montomoli M, Mütze U, Helbig KL, Polster T, Albrecht B, Bernbeck U, van Binsbergen E, Biskup S, Burglen L, Denecke J, Heron B, Heyne HO, Hoffmann GF, Hornemann F, Matsushige T, Matsuura R, Kato M, Korenke GC, Kuechler A, Lämmer C, Merkenschlager A, Mignot C, Ruf S, Nakashima M, Saitsu H, Stamberger H, Pisano T, Tohyama J, Weckhuysen S, Werckx W, Wickert J, Mari F, Verbeek NE, Møller RS, Koeleman B, Matsumoto N, Dobyns WB, Battaglia D, Lemke JR, Kutsche K, and Guerrini R
Subjects: Adolescent, Atrophy complications, Atrophy pathology, Brain abnormalities, Brain Diseases complications, Carrier Proteins metabolism, Cells, Cultured, Child, Child, Preschool, Disease Progression, Epilepsy complications, Female, Fibroblasts metabolism, Humans, Male, Microfilament Proteins metabolism, Models, Molecular, Mutation, Neurodevelopmental Disorders complications, Neurodevelopmental Disorders genetics, Phenotype, Protein Aggregation, Pathological metabolism, Young Adult, Brain pathology, Brain Diseases genetics, Carrier Proteins genetics, Epilepsy genetics, Microfilament Proteins genetics
Abstract: De novo in-frame deletions and duplications in the SPTAN1 gene, encoding the non-erythrocyte αII spectrin, have been associated with severe West syndrome with hypomyelination and pontocerebellar atrophy. We aimed at comprehensively delineating the phenotypic spectrum associated with SPTAN1 mutations. Using different molecular genetic techniques, we identified 20 patients with a pathogenic or likely pathogenic SPTAN1 variant and reviewed their clinical, genetic and imaging data. SPTAN1 de novo alterations included seven unique missense variants and nine in-frame deletions/duplications of which 12 were novel. The recurrent three-amino acid duplication p.(Asp2303_Leu2305dup) occurred in five patients. Our patient cohort exhibited a broad spectrum of neurodevelopmental phenotypes, comprising six patients with mild to moderate intellectual disability, with or without epilepsy and behavioural disorders, and 14 patients with infantile epileptic encephalopathy, of which 13 had severe neurodevelopmental impairment and four died in early childhood. Imaging studies suggested that the severity of neurological impairment and epilepsy correlates with that of structural abnormalities as well as the mutation type and location. Out of seven patients harbouring mutations outside the α/β spectrin heterodimerization domain, four had normal brain imaging and three exhibited moderately progressive brain and/or cerebellar atrophy. Twelve of 13 patients with mutations located within the spectrin heterodimer contact site exhibited severe and progressive brain, brainstem and cerebellar atrophy, with hypomyelination in most. We used fibroblasts from five patients to study spectrin aggregate formation by Triton-X extraction and immunocytochemistry followed by fluorescence microscopy. αII/βII aggregates and αII spectrin in the insoluble protein fraction were observed in fibroblasts derived from patients with the mutations p.(Glu2207del), p.(Asp2303_Leu2305dup) and p.(Arg2308_Met2309dup), all falling in the nucleation site of the α/β spectrin heterodimer region. Molecular modelling of the seven SPTAN1 amino acid changes provided preliminary evidence for structural alterations of the A-, B- and/or C-helices within each of the mutated spectrin repeats. We conclude that SPTAN1-related disorders comprise a wide spectrum of neurodevelopmental phenotypes ranging from mild to severe and progressive. Spectrin aggregate formation in fibroblasts with mutations in the α/β heterodimerization domain seems to be associated with a severe neurodegenerative course and suggests that the amino acid stretch from Asp2303 to Met2309 in the α20 repeat is important for α/β spectrin heterodimer formation and/or αII spectrin function., (© The Author (2017). Published by Oxford University Press on behalf of the Guarantors of Brain. All rights reserved. For Permissions, please email: journals.permissions@oup.com.)
Published: 2017
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