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10. Chronic Diarrhea in l-Amino Acid Decarboxylase (AADC) Deficiency: A Prominent Clinical Finding Among a Series of Ten French Patients

Author

Spitz, M. A., Nguyen, M. A., Roche, S., Heron, B., Milh, M., de Lonlay, P., Lion-François, L., Testard, H., Napuri, S., Barth, M., Fournier-Favre, S., Christa, L., Vianey-Saban, C., Corne, C., Roubertie, A., Baumgartner, Matthias R., Series editor, Patterson, Marc, Series editor, Rahman, Shamima, Series editor, Peters, Verena, Series editor, Morava, Eva, Editor-in-chief, Zschocke, Johannes, Series editor, and Baumgartner, Matthias, editor

Published
2017
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20. KCNQ2 R144 variants cause neurodevelopmental disability with language impairment and autistic features without neonatal seizures through a gain-of-function mechanism

Author

Miceli, F., Millevert, C., Soldovieri, M.V., Mosca, I., Ambrosino, P., Carotenuto, L., Schrader, D., Lee, H.K., Riviello, J., Hong, W., Risen, S., Emrick, L., Amin, H., Ville, D. Van De, Edery, P., Bellescize, J. de, Michaud, V., Van-Gils, J., Goizet, C., Willemsen, M.H., Kleefstra, T., Møller, R.S., Bayat, A., Devinsky, O., Sands, T., Korenke, G.C., Kluger, G., Mefford, H.C., Brilstra, E., Lesca, G., Milh, M., Cooper, E.C., Taglialatela, M., Weckhuysen, S., Miceli, F., Millevert, C., Soldovieri, M.V., Mosca, I., Ambrosino, P., Carotenuto, L., Schrader, D., Lee, H.K., Riviello, J., Hong, W., Risen, S., Emrick, L., Amin, H., Ville, D. Van De, Edery, P., Bellescize, J. de, Michaud, V., Van-Gils, J., Goizet, C., Willemsen, M.H., Kleefstra, T., Møller, R.S., Bayat, A., Devinsky, O., Sands, T., Korenke, G.C., Kluger, G., Mefford, H.C., Brilstra, E., Lesca, G., Milh, M., Cooper, E.C., Taglialatela, M., and Weckhuysen, S.

Abstract

Contains fulltext : 284811.pdf (Publisher’s version ) (Open Access), BACKGROUND: Prior studies have revealed remarkable phenotypic heterogeneity in KCNQ2-related disorders, correlated with effects on biophysical features of heterologously expressed channels. Here, we assessed phenotypes and functional properties associated with KCNQ2 missense variants R144W, R144Q, and R144G. We also explored in vitro blockade of channels carrying R144Q mutant subunits by amitriptyline. METHODS: Patients were identified using the RIKEE database and through clinical collaborators. Phenotypes were collected by a standardized questionnaire. Functional and pharmacological properties of variant subunits were analyzed by whole-cell patch-clamp recordings. FINDINGS: Detailed clinical information on fifteen patients (14 novel and 1 previously published) was analyzed. All patients had developmental delay with prominent language impairment. R144Q patients were more severely affected than R144W patients. Infantile to childhood onset epilepsy occurred in 40%, while 67% of sleep-EEGs showed sleep-activated epileptiform activity. Ten patients (67%) showed autistic features. Activation gating of homomeric Kv7.2 R144W/Q/G channels was left-shifted, suggesting gain-of-function effects. Amitriptyline blocked channels containing Kv7.2 and Kv7.2 R144Q subunits. INTERPRETATION: Patients carrying KCNQ2 R144 gain-of-function variants have developmental delay with prominent language impairment, autistic features, often accompanied by infantile- to childhood-onset epilepsy and EEG sleep-activated epileptiform activity. The absence of neonatal seizures is a robust and important clinical differentiator between KCNQ2 gain-of-function and loss-of-function variants. The Kv7.2/7.3 channel blocker amitriptyline might represent a targeted treatment. FUNDING: Supported by FWO, GSKE, KCNQ2-Cure, Jack Pribaz Foundation, European Joint Programme on Rare Disease 2020, the Italian Ministry for University and Research, the Italian Ministry of Health, the European Commission, the University

Published
2022

22. Objective evaluation of clinical actionability for genes involved in myopathies: 63 genes with a medical value for patient care

Author

Vecten, M., primary, Pion, E., additional, Bartoli, M., additional, Juntas Morales, R., additional, Sternberg, D., additional, Rendu, J., additional, Stojkovic, T., additional, Acquaviva Bourdain, C., additional, Métay, C., additional, Richard, I., additional, Cerino, M., additional, Milh, M., additional, Gorokhova, S., additional, Levy, N., additional, Latypova, X., additional, Bonne, G., additional, Biancalana, V., additional, Petit, F., additional, Molon, A., additional, Perrin, A., additional, Laforet, P., additional, Attarian, S., additional, Cossée, M., additional, and Krahn, M., additional

Published
2022
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23. Chronic Diarrhea in l-Amino Acid Decarboxylase (AADC) Deficiency: A Prominent Clinical Finding Among a Series of Ten French Patients

Author

Spitz, M. A., primary, Nguyen, M. A., additional, Roche, S., additional, Heron, B., additional, Milh, M., additional, de Lonlay, P., additional, Lion-François, L., additional, Testard, H., additional, Napuri, S., additional, Barth, M., additional, Fournier-Favre, S., additional, Christa, L., additional, Vianey-Saban, C., additional, Corne, C., additional, and Roubertie, A., additional

Published
2016
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26. The phenotypic spectrum of X-linked, infantile onset ALG13-related developmental and epileptic encephalopathy

Author

Datta, AN, Bahi-Buisson, N, Bienvenu, T, Buerki, SE, Gardiner, F, Cross, JH, Heron, B, Kaminska, A, Korff, CM, Lepine, A, Lesca, G, McTague, A, Mefford, HC, Mignot, C, Milh, M, Piton, A, Pressler, RM, Ruf, S, Sadleir, LG, de Saint Martin, A, Van Gassen, K, Verbeek, NE, Ville, D, Villeneuve, N, Zacher, P, Scheffer, IE, Lemke, JR, Datta, AN, Bahi-Buisson, N, Bienvenu, T, Buerki, SE, Gardiner, F, Cross, JH, Heron, B, Kaminska, A, Korff, CM, Lepine, A, Lesca, G, McTague, A, Mefford, HC, Mignot, C, Milh, M, Piton, A, Pressler, RM, Ruf, S, Sadleir, LG, de Saint Martin, A, Van Gassen, K, Verbeek, NE, Ville, D, Villeneuve, N, Zacher, P, Scheffer, IE, and Lemke, JR

Abstract

OBJECTIVE: Asparagine-linked glycosylation 13 (ALG13) deficiencies have been repeatedly described in the literature with the clinical phenotype of a developmental and epileptic encephalopathy (DEE). Most cases were females carrying the recurrent ALG13 de novo variant, p.(Asn107Ser), with normal transferrin electrophoresis. METHODS: We delineate the phenotypic spectrum of 38 individuals, 37 girls and one boy, 16 of them novel and 22 published, with the most common pathogenic ALG13 variant p.(Asn107Ser) and additionally report the phenotype of three individuals carrying other likely pathogenic ALG13 variants. RESULTS: The phenotypic spectrum often comprised pharmacoresistant epilepsy with epileptic spasms, mostly with onset within the first 6 months of life and with spasm persistence in one-half of the cases. Tonic seizures were the most prevalent additional seizure type. Electroencephalography showed hypsarrhythmia and at a later stage of the disease in one-third of all cases paroxysms of fast activity with electrodecrement. ALG13-related DEE was usually associated with severe to profound developmental delay; ambulation was acquired by one-third of the cases, whereas purposeful hand use was sparse or completely absent. Hand stereotypies and dyskinetic movements including dystonia or choreoathetosis were relatively frequent. Verbal communication skills were absent or poor, and eye contact and pursuit were often impaired. SIGNIFICANCE: X-linked ALG13-related DEE usually manifests as West syndrome with severe to profound developmental delay. It is predominantly caused by the recurrent de novo missense variant p.(Asn107Ser). Comprehensive functional studies will be able to prove or disprove an association with congenital disorder of glycosylation.

Published
2021

27. Defining the phenotype ofFHF1developmental and epileptic encephalopathy

Author

Trivisano, M, Ferretti, A, Bebin, E, Huh, L, Lesca, G, Siekierska, A, Takeguchi, R, Carneiro, M, De Palma, L, Guella, I, Haginoya, K, Shi, RM, Kikuchi, A, Kobayashi, T, Jung, J, Lagae, L, Milh, M, Mathieu, ML, Minassian, BA, Novelli, A, Pietrafusa, N, Takeshita, E, Tartaglia, M, Terracciano, A, Thompson, ML, Cooper, GM, Vigevano, F, Villard, L, Villeneuve, N, Buyse, GM, Demos, M, Scheffer, IE, Specchio, N, Trivisano, M, Ferretti, A, Bebin, E, Huh, L, Lesca, G, Siekierska, A, Takeguchi, R, Carneiro, M, De Palma, L, Guella, I, Haginoya, K, Shi, RM, Kikuchi, A, Kobayashi, T, Jung, J, Lagae, L, Milh, M, Mathieu, ML, Minassian, BA, Novelli, A, Pietrafusa, N, Takeshita, E, Tartaglia, M, Terracciano, A, Thompson, ML, Cooper, GM, Vigevano, F, Villard, L, Villeneuve, N, Buyse, GM, Demos, M, Scheffer, IE, and Specchio, N

Abstract

Fibroblast growth-factor homologous factor (FHF1) gene variants have recently been associated with developmental and epileptic encephalopathy (DEE). FHF1 encodes a cytosolic protein that modulates neuronal sodium channel gating. We aim to refine the electroclinical phenotypic spectrum of patients with pathogenic FHF1 variants. We retrospectively collected clinical, genetic, neurophysiologic, and neuroimaging data of 17 patients with FHF1-DEE. Sixteen patients had recurrent heterozygous FHF1 missense variants: 14 had the recurrent p.Arg114His variant and two had a novel likely pathogenic variant p.Gly112Ser. The p.Arg114His variant is associated with an earlier onset and more severe phenotype. One patient carried a chromosomal microduplication involving FHF1. Twelve patients carried a de novo variant, five (29.5%) inherited from parents with gonadic or somatic mosaicism. Seizure onset was between 1 day and 41 months; in 76.5% it was within 30 days. Tonic seizures were the most frequent seizure type. Twelve patients (70.6%) had drug-resistant epilepsy, 14 (82.3%) intellectual disability, and 11 (64.7%) behavioral disturbances. Brain magnetic resonance imaging (MRI) showed mild cerebral and/or cerebellar atrophy in nine patients (52.9%). Overall, our findings expand and refine the clinical, EEG, and imaging phenotype of patients with FHF1-DEE, which is characterized by early onset epilepsy with tonic seizures, associated with moderate to severe ID and psychiatric features.

Published
2020

32. Newly diagnosed and growing subependymal giant cell astrocytoma in adults with tuberous sclerosis complex: Results from the International TOSCA Study

Author

Jansen, A.C. Belousova, E. Benedik, M.P. Carter, T. Cottin, V. Curatolo, P. D'Amato, L. D'Augères, G.B. De Vries, P.J. Ferreira, J.C. Feucht, M. Fladrowski, C. Hertzberg, C. Jozwiak, S. Lawson, J.A. MacAya, A. Marques, R. Nabbout, R. O'Callaghan, F. Qin, J. Sander, V. Sauter, M. Shah, S. Takahashi, Y. Touraine, R. Youroukos, S. Zonnenberg, B. Kingswood, J.C. Fladrowsk, C. Shinohara, N. Horie, S. Kubota, M. Tohyama, J. Imai, K. Kaneda, M. Kaneko, H. Uchida, Y. Kirino, T. Endo, S. Inoue, Y. Uruno, K. Serdaroglu, A. Yapici, Z. Anlar, B. Altunbasak, S. Lvova, O. Belyaev, O.V. Agranovich, O. Levitina, E.V. Maksimova, Y.V. Karas, A. Jiang, Y. Zou, L. Xu, K. Zhang, Y. Luan, G. Zhang, Y. Wang, Y. Jin, M. Ye, D. Liao, W. Zhou, L. Liu, J. Liao, J. Yan, B. Deng, Y. Jiang, L. Liu, Z. Huang, S. Li, H. Kim, K. Chen, P.-L. Lee, H.-F. Tsai, J.-D. Chi, C.-S. Huang, C.-C. Riney, K. Yates, D. Kwan, P. Likasitwattanakul, S. Nabangchang, C. Krisnachai Chomtho, L.T. Katanyuwong, K. Sriudomkajorn, S. Wilmshurst, J. Segel, R. Gilboa, T. Tzadok, M. Fattal-Valevski, A. Papathanasopoulos, P. Papavasiliou, A.S. Giannakodimos, S. Gatzonis, S. Pavlou, E. Tzoufi, M. Vergeer, A.M.H. Dhooghe, M. Verhelst, H. Roelens, F. Nassogne, M.C. Defresne, P. De Waele, L. Leroy, P. Demonceau, N. Legros, B. Van Bogaert, P. Ceulemans, B. Dom, L. Castelnau, P. De Saint Martin, A. Riquet, A. Milh, M. Cances, C. Pedespan, J.-M. Ville, D. Roubertie, A. Auvin, S. Berquin, P. Richelme, C. Allaire, C. Gueden, S. The Tich, S.N. Godet, B. Ruiz Falco Rojas, M.L. Planas, J.C. Bermejo, A.M. Dura, P.S. Aparicio, S.R. Martinez Gonzalez, M.J. Pison, J.L. Blanco Barca, M.O. Laso, E.L. Luengo, O.A. Aguirre Rodriguez, F.J. Dieguez, I.M. Salas, A.C. Carrera, I.M. Salcedo, E.M. Yoldi Petri, M.E. Candela, R.C. Da Conceicao Carrilho, I. Vieira, J.P. Da Silva Oliveira Monteiro, J.P. Santos De Oliveira Ferreira Leao, M.J. Marceano Ribeiro Luis, C.S. Mendonca, C.P. Endziniene, M. Strautmanis, J. Talvik, I. Canevini, M.P. Gambardella, A. Pruna, D. Buono, S. Fontana, E. Dalla Bernardina, B. Burloiu, C. Bacos Cosma, I.S. Vintan, M.A. Popescu, L. Zitterbart, K. Payerova, J. Bratsky, L. Zilinska, Z. Gruber-Sedlmayr, U. Baumann, M. Haberlandt, E. Rostasy, K. Pataraia, E. Elmslie, F. Johnston, C.A. Crawford, P. Uldall, P. Dahlin, M. Uvebrant, P. Rask, O. Bjoernvold, M. Brodtkorb, E. Sloerdahl, A. Solhoff, R. Gilje Jaatun, M.S. Mandera, M. Radzikowska, E.J. Wysocki, M. Fischereder, M. Kurlemann, G. Wilken, B. Wiemer-Kruel, A. Budde, K. Marquard, K. Knuf, M. Hahn, A. Hartmann, H. Merkenschlager, A. Trollmann, R. on behalf of TOSCA Consortium TOSCA Investigators

Abstract

The onset and growth of subependymal giant cell astrocytoma (SEGA) in tuberous sclerosis complex (TSC) typically occurs in childhood. There is minimal information on SEGA evolution in adults with TSC. Of 2,211 patients enrolled in TOSCA, 220 of the 803 adults (27.4%) ever had a SEGA. Of 186 patients with SEGA still ongoing in adulthood, 153 (82.3%) remained asymptomatic, and 33 (17.7%) were reported to ever have developed symptoms related to SEGA growth. SEGA growth since the previous scan was reported in 39 of the 186 adults (21%) with ongoing SEGA. All but one patient with growing SEGA had mutations in TSC2. Fourteen adults (2.4%) were newly diagnosed with SEGA during follow-up, and majority had mutations in TSC2. Our findings suggest that surveillance for new or growing SEGA is warranted also in adulthood, particularly in patients with mutations in TSC2. © 2019 Jansen, Belousova, Benedik, Carter, Cottin, Curatolo, D'Amato, Beaure d'Augères, de Vries, Ferreira, Feucht, Fladrowski, Hertzberg, Jozwiak, Lawson, Macaya, Marques, Nabbout, O'Callaghan, Qin, Sander, Sauter, Shah, Takahashi, Touraine, Youroukos, Zonnenberg and Kingswood.

Published
2019

33. Epilepsy in tuberous sclerosis complex: Findings from the TOSCA Study

Author

Nabbout, R, Belousova, E, Benedik, Mp, Carter, T, Cottin, V, Curatolo, P, Dahlin, M, Damato, L, D'Augeres, Gb, de Vries, Pj, Ferreira, Jc, Feucht, M, Fladrowski, C, Hertzberg, C, Jozwiak, S, Lawson, Ja, Macaya, A, Marques, R, O'Callaghan, F, Qin, J, Sander, V, Sauter, M, Shah, S, Takahashi, Y, Touraine, R, Youroukos, S, Zonnenberg, B, Jansen, A, Kingswood, Jc, Shinohara, N, Horie, S, Kubota, M, Tohyama, J, Imai, K, Kaneda, M, Kaneko, H, Uchida, Y, Endo, S, Inoue, Y, Uruno, K, Serdaroglu, A, Yapici, Z, Anlar, B, Altunbasak, S, Lvova, O, Valeryevich Belyaev, O, Agranovich, O, Vladislavovna Levitina, E, Vladimirovna Maksimova, Y, Karas, A, Jiang, Y, Zou, L, Xu, K, Zhang, Y, Luan, G, Wang, Y, Jin, M, Ye, D, Liao, W, Zhou, L, Liu, J, Liao, J, Yan, B, Deng, Y, Jiang, L, Liu, Z, Huang, S, Li, H, Kim, K, Chen, P, Lee, H, Tsai, J, Chi, C, Huang, C, Riney, K, Yates, D, Kwan, P, Likasitwattanakul, S, Nabangchang, C, Thampratankul Krisnachai Chomtho, L, Katanyuwong, K, Sriudomkajorn, S, Wilmshurst, J, Segel, R, Gilboa, T, Tzadok, M, Fattal-Valevski, A, Papathanasopoulos, P, Syrigou Papavasiliou, A, Giannakodimos, S, Gatzonis, S, Pavlou, E, Tzoufi, M, Dhooghe, M, Verhelst, H, Roelens, F, Cecile Nassogne, M, Defresne, P, De Waele, L, Leroy, P, Demonceau, N, Van Bogaert, P, Ceulemans, B, Dom, L, Castelnau, P, De Saint Martin, A, Riquet, A, Milh, M, Cances, C, Pedespan, J, Ville, D, Roubertie, A, Auvin, S, Berquin, P, Richelme, C, Allaire, C, Gueden, S, Nguyen The Tich, S, Godet, B, Rojas, Mlrf, Planas, Jc, Bermejo, Am, Dura, Ps, Aparicio, Sr, Gonzalez, Mjm, Pison, Jl, Blanco Barca, Mo, Laso, El, Luengo, Oa, Rodriguez, Fja, Dieguez, Im, Salas, Ac, Carrera, Im, Salcedo, Em, Petri, Mey, Candela, Rc, Carrilho, Idc, Vieira, Jp, Monteiro, Jpdso, Leao, Mjsdof, Luis, Csmr, Pires Mendonca, C, Endziniene, M, Strautmanis, J, Talvik, I, Canevini, Mp, Gambardella, A, Pruna, D, Buono, S, Fontana, E, Bernardina, Bd, Burloiu, C, Cosma, Isb, Vintan, Ma, Popescu, L, Zitterbart, K, Payerova, J, Bratsky, L, Zilinska, Z, Gruber-Sedlmayr, U, Haberlandt, E, Rostasy, K, Pataraia, E, Elmslie, F, Ann Johnston, C, Crawford, P, Uldall, P, Uvebrant, P, Rask, O, Bjoernvold, M, Sloerdahl, A, Solhoff, R, Jaatun, Msg, Mandera, M, Radzikowska, Ej, Wysocki, M, Fischereder, M, Kurlemann, G, Wilken, B, Wiemer-Kruel, A, Budde, K, Marquard, K, Knuf, M, Hahn, A, Hartmann, H, Merkenschlager, A, and Trollmann, R

Subjects
0301 basic medicine, medicine.medical_specialty, Pediatrics, Neurology, Disease, tuberous sclerosis complex, 030105 genetics & heredity, registry, 03 medical and health sciences, Tuberous sclerosis, Epilepsy, 0302 clinical medicine, Intellectual disability, medicine, Seizure control, TOSCA, business.industry, epilepsy, medicine.disease, Settore MED/39 - Neuropsichiatria Infantile, 3. Good health, medicine.anatomical_structure, Cohort, Full‐length Original Research, Neurology (clinical), TSC1, business, 030217 neurology & neurosurgery
Abstract

Summary Objective To present the baseline data of the international TuberOus SClerosis registry to increase disease Awareness (TOSCA) with emphasis on the characteristics of epilepsies associated with tuberous sclerosis complex (TSC). Methods Retrospective and prospective patients’ data on all aspects of TSC were collected from multiple countries worldwide. Epilepsy variables included seizure type, age at onset, type of treatment, and treatment outcomes and association with genotype, seizures control, and intellectual disability. As for noninterventional registries, the study protocol did not specify any particular clinical instruments, laboratory investigations, or intervention. Evaluations included those required for diagnosis and management following local best practice. Results Epilepsy was reported in 83.6% of patients (1852/2216) at baseline; 38.9% presented with infantile spasms and 67.5% with focal seizures. The mean age at diagnosis of infantile spasms was 0.4 year (median

Published
2019

34. Correction to: The phenotypic spectrum of WWOX-related disorders: 20 additional cases of WOREE syndrome and review of the literature (Genetics in Medicine, (2018), 10.1038/s41436-018-0339-3)

Author

Piard, J., Hawkes, L., Milh, M., Villard, L., Borgatti, Renato, Romaniello, R., Fradin, M., Capri, Y., Héron, D., Nougues, M. -C., Nava, Consuelo Rubina, Arsene, O. T., Shears, D., Taylor, J., Pagnamenta, A., Taylor, J. C., Sogawa, Y., Johnson, D., Firth, H., Vasudevan, P., Jones, G., Nguyen-Morel, M. -A., Busa, T., Roubertie, A., van den Born, M., Brischoux-Boucher, E., Koenig, M., Mignot, C., Kini, U., and Philippe, C.

Subjects
WWOX-related disorders, Settore M-PSI/08 - PSICOLOGIA CLINICA
Published
2019

35. The phenotypic spectrum of WWOX-related Epileptic Encephalopathy: 20 additional cases and review of the literature

Author

Piard, J., Hawkes, L., Milh, M., Villard, Laurent, Borgatti, R., Fradin, M., Capri, Y., Heron, D., Nougues, M., Nava, C., Arsene, O. Tarta, Shears, D., Sogawa, Y., Johnson, D., Firth, H., Vasudevan, P., Jones, G., Nguyen-Morel, M., Busa, T., Roubertie, A., Born, M., Koenig, M., Brischoux-Boucher, E., Mignot, C., Kini, U., Philippe, C., Marseille medical genetics - Centre de génétique médicale de Marseille (MMG), and Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM)

Subjects
[SDV.GEN]Life Sciences [q-bio]/Genetics
Abstract

51st Conference of the European-Society-of-Human-Genetics (ESHG) in conjunction with the European Meeting on Psychosocial Aspects of Genetics (EMPAG), Milan, ITALY, JUN 16-19, 2018; International audience

Published
2019

36. The phenotypic spectrum of WWOX-related disorders: 20 additional cases of WOREE syndrome and review of the literature

Author

Piard, J, Hawkes, L, Milh, M, Villard, L, Borgatti, R, Romaniello, R, Fradin, M, Capri, Y, Heron, D, Nougues, MC, Nava, C, Arsene, OT, Shears, D, Taylor, J, Pagnamenta, A, Taylor, JC, Sogawa, Y, Johnson, D, Firth, H, Vasudevan, P, Jones, G, Nguyen-Morel, MA, Busa, T, Roubertie, A, van den Born, Myrthe, Brischoux-Boucher, E, Koenig, M, Mignot, C, Kini, U, Philippe, C, Piard, J, Hawkes, L, Milh, M, Villard, L, Borgatti, R, Romaniello, R, Fradin, M, Capri, Y, Heron, D, Nougues, MC, Nava, C, Arsene, OT, Shears, D, Taylor, J, Pagnamenta, A, Taylor, JC, Sogawa, Y, Johnson, D, Firth, H, Vasudevan, P, Jones, G, Nguyen-Morel, MA, Busa, T, Roubertie, A, van den Born, Myrthe, Brischoux-Boucher, E, Koenig, M, Mignot, C, Kini, U, and Philippe, C

Published
2019

38. Trial of fingolimod versus interferon beta-1a in pediatric multiple sclerosis

Author

Chitnis, T, Arnold, Dl, Banwell, B, Brück, W, Ghezzi, A, Giovannoni, G, Greenberg, B, Krupp, L, Rostásy, K, Tardieu, M, Waubant, E, Wolinsky, Js, Bar-Or, A, Stites, T, Chen, Y, Putzki, N, Merschhemke, M, Gärtner, Collaborators (85): Kornberg A, J, Bajer-Kornek, B, Likhachev, S, Pereira Gomes Neto, A, Diniz, D, Paz, J, Alvarenga, R, Bojinova-Tchamova, V, Mah, J, Venkateswaran, S, Hafner, K, Gross-Paju, K, Brochet, B, Cheuret, E, Rivier, F, Deiva, K, Milh, M, Blaschek, A, Trollmann, R, Korinthenberg, R, Luecke, T, Ziemssen, T, Pozzilli, C, Patti, F, Comi, G, Marfia, G, Grimaldi, L, Trojano, M, Zaffaroni, M, Capra, R, Brescia Morra, V, Rozentals, G, Laurynaitiene, J, Vaiciene-Magistris, N, Castro Farfan, F, Quinones, S, Steinborn, B, Ujma-Czapska, B, Stasiolek, M, Jasinski, M, Craiu, D, Boyko, A, Kairbekova, E, Khabirov, F, Kuzenkova, L, Malkova, N, Nikolic, D, Jancic, J, Gebauer-Bukurov, K, Payerova, J, Gascon Jiménez, F, Izquierdo Ayuso, G, Mendibe Bilbao, M, Hintzen, R, Fernandez Sanchez VE, Meca Lallana, V, Montalban Gairin, X, Nordborg, K, Anlar, B, Yalcinkaya, C, Gucuyener, K, Terzi, M, Ozakbas, S, Yilmaz, U, Makedonska, I, Prokopenko, K, Tantsura, L, Moskovko, S, Kobys, T, Muratova, T, Nehrych, T, Prykhodko, T, Hemingway, C, Wassmer, E, Shetty, J, Desai, J, Waldman, A, Chinea Martinez, A, Ness, J, Rammohan, K, Lloyd, M, Williams, M, Ayala, R, Davis, R, Bhise, V, Brigham & Women’s Hospital [Boston] (BWH), Harvard Medical School [Boston] (HMS), McConnell Brain Imaging Centre (MNI), Montreal Neurological Institute and Hospital, McGill University = Université McGill [Montréal, Canada]-McGill University = Université McGill [Montréal, Canada], University of Pennsylvania [Philadelphia], Immunologie antivirale systémique et cérébrale, Université Paris-Sud - Paris 11 (UP11)-IFR93-Institut National de la Santé et de la Recherche Médicale (INSERM), Physiologie & médecine expérimentale du Cœur et des Muscles [U 1046] (PhyMedExp), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), and Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)

Subjects
0301 basic medicine, [SDV]Life Sciences [q-bio], Administration, Oral, administration, oral, adolescent, brain, child, female, fingolimod hydrochloride, headache, humans, immunologic factors, infection, injections, intramuscular, interferon-beta, leukopenia, magnetic resonance imaging, male, multiple sclerosis, relapsing-remitting, secondary prevention, medicine (all), law.invention, 0302 clinical medicine, Randomized controlled trial, Interferon, law, Medicine, Secondary prevention, General Medicine, Fingolimod, 3. Good health, Settore MED/26 - Neurologia, medicine.drug, medicine.medical_specialty, Infections, Injections, Intramuscular, Adolescent, Brain, Child, Female, Fingolimod Hydrochloride, Headache, Humans, Immunologic Factors, Infection, Interferon-beta, Leukopenia, Magnetic Resonance Imaging, Male, Multiple Sclerosis, Relapsing-Remitting, Secondary Prevention, 03 medical and health sciences, Internal medicine, business.industry, Multiple sclerosis, Interferon beta-1a, medicine.disease, Clinical trial, 030104 developmental biology, Multicenter study, business, 030217 neurology & neurosurgery
Abstract

International audience; BACKGROUND: Treatment of patients younger than 18 years of age with multiple sclerosis has not been adequately examined in randomized trials. We compared fingolimod with interferon beta-1a in this population. METHODS: In this phase 3 trial, we randomly assigned patients 10 to 17 years of age with relapsing multiple sclerosis in a 1:1 ratio to receive oral fingolimod at a dose of 0.5 mg per day (0.25 mg per day for patients with a body weight of

Published
2018

42. The phenotypic spectrum of WWOX -related disorders: 20 additional cases of WOREE syndrome and review of the literature

Author

Piard, J. (Juliette), Hawkes, L. (Lara), Milh, M. (Mathieu), Villard, L. (Laurent), Borgatti, R. (Renato), Romaniello, R. (Romina), Fradin, M. (Melanie), Capri, Y. (Yline), Héron, D. (Delphine), Nougues, M.-C. (Marie-Christine), Nava, C. (Caroline), Arsene, O.T. (Oana Tarta), Shears, D.J. (Deborah), Sogawa, Y. (Yoshimi), Johnson, D. (David), Firth, H.V., Vasudevan, P. (Pradeep), Jones, G. (Gabriela), Nguyen-Morel, M.-A. (Marie-Ange), Busa, T. (Tiffany), Roubertie, A. (Agathe), Born, M. (Myrthe) van den, Brischoux-Boucher, E. (Elise), Koenig, M. (Michel), Mignot, C. (Cyril), Kini, U. (Usha), Philippe, C. (Christophe), Piard, J. (Juliette), Hawkes, L. (Lara), Milh, M. (Mathieu), Villard, L. (Laurent), Borgatti, R. (Renato), Romaniello, R. (Romina), Fradin, M. (Melanie), Capri, Y. (Yline), Héron, D. (Delphine), Nougues, M.-C. (Marie-Christine), Nava, C. (Caroline), Arsene, O.T. (Oana Tarta), Shears, D.J. (Deborah), Sogawa, Y. (Yoshimi), Johnson, D. (David), Firth, H.V., Vasudevan, P. (Pradeep), Jones, G. (Gabriela), Nguyen-Morel, M.-A. (Marie-Ange), Busa, T. (Tiffany), Roubertie, A. (Agathe), Born, M. (Myrthe) van den, Brischoux-Boucher, E. (Elise), Koenig, M. (Michel), Mignot, C. (Cyril), Kini, U. (Usha), and Philippe, C. (Christophe)

Abstract

Purpose: Germline WWOX pathogenic variants have been associated with disorder of sex differentiation (DSD), spinocerebellar ataxia (SCA), and WWOX-related epileptic encephalopathy (WOREE syndrome). We review clinical and molecular data on WWOX-related disorders, further describing WOREE syndrome and phenotype/genotype correlations. Methods: We report clinical and molecular findings in 20 additional patients from 18 unrelated families with WOREE syndrome and biallelic pathogenic variants in the WWOX gene. Different molecular screening approaches were used (quantitative polymerase chain reaction/multiplex ligation-dependent probe amplification [qPCR/MLPA], array comparative genomic hybridization [array-CGH], Sanger sequencing, epilepsy gene panel, exome sequencing). Results: Two copy-number variations (CNVs) or two single-nucleotide variations (SNVs) were found respectively in four and nine families, with compound heterozygosity for one SNV and one CNV in five families. Eight novel missense pathogenic variants have been described. By aggregating our patients with all cases reported in the literature, 37 patients from 27 families with WOREE syndrome are known. This review suggests WOREE syndrome is a very severe epileptic encephalopathy characterized by absence of language development and acquisition of walking, early-onset drug-resistant seizures, ophthalmological involvement, and a high likelihood of premature death. The most severe clinical presentation seems to be associated with null genotypes. Conclusion: Germline pathogenic variants in WWOX are clearly associated with a severe early-onset epileptic encephalopathy. We report here the largest cohort of individuals with WOREE syndrome.

Published
2018
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43. [How to deal with a fetal head circumference lower than the third percentile?]

Author

Mace, P., Milh, M., Girard, Nadine, Sigaudy, S., Quarello, E., Centre de résonance magnétique biologique et médicale (CRMBM), and Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Prénatal, [SDV.IB.IMA]Life Sciences [q-bio]/Bioengineering/Imaging, Périmètre crânien, Head circumference, Échographie, Dépistage, Microcephaly, Screening, [INFO.INFO-IM]Computer Science [cs]/Medical Imaging, snc, Microcéphalie, MRI, Ultrasonography, IRM
Abstract

International audience; The prenatal finding of a head circumference (HC) below the 3rd percentile (p) remains, in the same way as short femur or increased nuchal translucency with normal karyotype, one the most difficult situations for the praticionner in the setting of prenatal diagnosis. Microcephaly is a gateway to possible cerebral pathologies, but the main objective is to identify serious prenatal situations. A standardized HC measurement, the use of adapted reference tools and charts, longitudinal following of cephalic biometrics in high-risk situations, and systematic central nervous system analysis can increase the diagnostic performance of ultrasound which is often disappointing for microcephaly. The early distinction between associated or isolated microcephaly makes it possible to quickly orient the prenatal management and counseling. Fetal MRI and genetic counseling are fundamental in this context, making it possible to specify at best the etiological diagnosis and to provide assistance to the neuropediatrician in the establishment of an often uncertain prognosis. The recent increase in cases of microcephaly concomitant with the epidemic of the ZIKA virus is an additional argument to improve our practices and the daily apprehension of HC\textless3rd p.

Published
2017

44. Early patterns of activity in the developing cortex: Focus on the sensorimotor system

Author

Khazipov R. and Milh M.

Subjects
Sensorimotor cortex, Neonate, Neuronal networks, Development, Electroencelography, Fetal movements
Abstract

© 2017 Elsevier Ltd. Early development of somatotopic cortical maps occurs during the fetal period in humans and during the postnatal period in rodents. During this period, the sensorimotor cortex expresses transient patterns of correlated neuronal activity including delta waves, gamma- and spindle-burst oscillations. These early activity patterns are largely driven by the thalamus and triggered, in a topographic manner, by sensory feedback resulting from spontaneous movements. Early cortical activities are instrumental for competitive interactions between sensory inputs for the cortical territories, they prevent cortical neurons from apoptosis and their alteration may lead to disturbances in cortical network development in a number of neurodevelopmental diseases.

Published
2017

45. Neuromyélite optique de Devic et patients à haut risqué : enquête rétrospective nationale

Author

Collongues, N., Marignier, R., Zéphir, H., Papeix, C., Blanc, F., Tchikviladzé, M., Ritleng, C., Outteryck, O., Vukusic, S., Fleury, M., Mignot, C., Brassat, D., Clanet, M., Milh, M., Ruet, A., Lebrun-Frenay, C., Camu, W., Debouverie, M., Créange, A., Moreau, T., Labauge, P., Castelnovo, G., Edan, G., Lepage, E., Defer, G., Barroso, B., Thouvenot, E., Heinzlef, O., Gout, O., Rodriguez, D., Augustin, J., Wiertlewski, S., Laplaud, D., Borgel, F., Slassi, I., Berroir, S., Tourniaire, P., Grimaud, J., Brochet, B., Vermersch, P., Confavreux, C., and de Sèze, J.

Published
2009
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47. Genetic and phenotypic heterogeneity suggest therapeutic implications in SCN2A-related disorders

Author

Wolff, M. (Markus), Johannesen, K.M. (Katrine M.), Hedrich, U.B.S. (Ulrike B. S.), Masnada, S. (Silvia), Rubboli, G. (Guido), Gardella, E. (Elena), Lesca, G. (Gaetan), Ville, D. (Dorothée), Milh, M. (Mathieu), Villard, L. (Laurent), Afenjar, A. (Alexandra), Chantot-Bastaraud, S. (Sandra), Mignot, A., Lardennois, C. (Caroline), Nava, C. (Caroline), Schwarz, N. (Niklas), Gérard, M. (Marion), Perrin, L. (Laurence), Doummar, D. (Diane), Auvin, S. (Stéphane), Miranda, M.J. (Maria J.), Hempel, M. (Maja), Brilstra, E. (Eva), Knoers, N.V.A.M. (Nine), Verbeek, N.E. (Nienke), Kempen, M.J.A. (M. J A) van, Braun, K.P. (Kees P.), Mancini, G.M.S. (Grazia), Biskup, S. (Saskia), Hörtnagel, K. (Konstanze), Döcker, M. (Miriam), Bast, T. (Thomas), Loddenkemper, T. (Tobias), Wong-Kisiel, L. (Lily), Baumeister, F.M. (Friedrich M.), Fazeli, W. (Walid), Striano, P. (Pasquale), Dilena, R. (Robertino), Fontana, E. (Elena), Zara, F. (Federico), Kurlemann, G. (Gerhard), Klepper, J. (Joerg), Thoene, J.G. (Jess G.), Arndt, D.H. (Daniel H.), Deconinck, N. (Nicolas), Schmitt-Mechelke, T. (Thomas), Maier, O. (Oliver), Muhle, H. (Hiltrud), Wical, B. (Beverly), Finetti, C. (Claudio), Brückner, R. (Reinhard), Pietz, J. (Joachim), Golla, G. (Günther), Jillella, D. (Dinesh), Linnet, K.M. (Karen M.), Charles, P. (Perrine), Moog, U. (Ute), Õiglane-Shlik, E. (Eve), Mantovani, J.F. (John F.), Park, K. (Kristen), Deprez, M. (Marie), Lederer, D. (Damien), Mary, S. (Sandrine), Scalais, E. (Emmanuel), Selim, L. (Laila), Coster, R.N.A. (R. N A) van, Lagae, L. (Lieven), Nikanorova, M. (Marina), Hjalgrim, H. (Helle), Korenke, G.C. (Christoph), Trivisano, M. (Marina), Specchio, N. (Nicola), Ceulemans, B. (Berten), Dorn, T. (Thomas), Helbig, K.L. (Katherine L.), Hardies, K. (K.), Stamberger, H. (Hannah), Jonghe, P. (P.) de, Weckhuysen, S. (Sarah), Lemke, J.R. (Johannes R.), Krägeloh-Mann, I. (Ingeborg), Helbig, I. (Ingo), Kluger, G. (Gerhard), Lerche, H. (Holger), Møller, R.S. (Rikke), Wolff, M. (Markus), Johannesen, K.M. (Katrine M.), Hedrich, U.B.S. (Ulrike B. S.), Masnada, S. (Silvia), Rubboli, G. (Guido), Gardella, E. (Elena), Lesca, G. (Gaetan), Ville, D. (Dorothée), Milh, M. (Mathieu), Villard, L. (Laurent), Afenjar, A. (Alexandra), Chantot-Bastaraud, S. (Sandra), Mignot, A., Lardennois, C. (Caroline), Nava, C. (Caroline), Schwarz, N. (Niklas), Gérard, M. (Marion), Perrin, L. (Laurence), Doummar, D. (Diane), Auvin, S. (Stéphane), Miranda, M.J. (Maria J.), Hempel, M. (Maja), Brilstra, E. (Eva), Knoers, N.V.A.M. (Nine), Verbeek, N.E. (Nienke), Kempen, M.J.A. (M. J A) van, Braun, K.P. (Kees P.), Mancini, G.M.S. (Grazia), Biskup, S. (Saskia), Hörtnagel, K. (Konstanze), Döcker, M. (Miriam), Bast, T. (Thomas), Loddenkemper, T. (Tobias), Wong-Kisiel, L. (Lily), Baumeister, F.M. (Friedrich M.), Fazeli, W. (Walid), Striano, P. (Pasquale), Dilena, R. (Robertino), Fontana, E. (Elena), Zara, F. (Federico), Kurlemann, G. (Gerhard), Klepper, J. (Joerg), Thoene, J.G. (Jess G.), Arndt, D.H. (Daniel H.), Deconinck, N. (Nicolas), Schmitt-Mechelke, T. (Thomas), Maier, O. (Oliver), Muhle, H. (Hiltrud), Wical, B. (Beverly), Finetti, C. (Claudio), Brückner, R. (Reinhard), Pietz, J. (Joachim), Golla, G. (Günther), Jillella, D. (Dinesh), Linnet, K.M. (Karen M.), Charles, P. (Perrine), Moog, U. (Ute), Õiglane-Shlik, E. (Eve), Mantovani, J.F. (John F.), Park, K. (Kristen), Deprez, M. (Marie), Lederer, D. (Damien), Mary, S. (Sandrine), Scalais, E. (Emmanuel), Selim, L. (Laila), Coster, R.N.A. (R. N A) van, Lagae, L. (Lieven), Nikanorova, M. (Marina), Hjalgrim, H. (Helle), Korenke, G.C. (Christoph), Trivisano, M. (Marina), Specchio, N. (Nicola), Ceulemans, B. (Berten), Dorn, T. (Thomas), Helbig, K.L. (Katherine L.), Hardies, K. (K.), Stamberger, H. (Hannah), Jonghe, P. (P.) de, Weckhuysen, S. (Sarah), Lemke, J.R. (Johannes R.), Krägeloh-Mann, I. (Ingeborg), Helbig, I. (Ingo), Kluger, G. (Gerhard), Lerche, H. (Holger), and Møller, R.S. (Rikke)

Abstract

Mutations in SCN2A, a gene encoding the voltage-gated sodium channel Nav1.2, have been associated with a spectrum of epilepsies and neurodevelopmental disorders. Here, we report the phenotypes of 71 patients and review 130 previously reported patients. We found that (i) encephalopathies with infantile/childhood onset epilepsies (≥3 months of age) occur almost as often as those with an early infantile onset (<3 months), and are thus more frequent than previously reported; (ii) distinct phenotypes can be seen within the late onset group, including myoclonic-atonic epilepsy (two patients), Lennox-Gastaut not emerging from West syndrome (two patients), and focal epilepsies with an electrical status epilepticus during slow sleep-like EEG pattern (six patients); and (iii) West syndrome constitutes a common phenotype with a major recurring mutation (p.Arg853Gln: two new and four previously reported children). Other known phenotypes include Ohtahara syndrome, epilepsy of infancy with migrating focal seizures, and intellectual disability or autism without epilepsy. To assess the response to antiepileptic therapy, we retrospectively reviewed the treatme

Published
2017
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48. TBC1D24 genotype-phenotype correlation: Epilepsies and other neurologic features

Author

Balestrini, S, Milh, M, Castiglioni, C, Oliver, PL, Finelli, MJ, Taylor, JC, and Pagnamenta, AT

Abstract

To evaluate the phenotypic spectrum associated with mutations in TBC1D24.We acquired new clinical, EEG, and neuroimaging data of 11 previously unreported and 37 published patients. TBC1D24 mutations, identified through various sequencing methods, can be found online (http://lovd.nl/TBC1D24).Forty-eight patients were included (28 men, 20 women, average age 21 years) from 30 independent families. Eighteen patients (38%) had myoclonic epilepsies. The other patients carried diagnoses of focal (25%), multifocal (2%), generalized (4%), and unclassified epilepsy (6%), and early-onset epileptic encephalopathy (25%). Most patients had drug-resistant epilepsy. We detail EEG, neuroimaging, developmental, and cognitive features, treatment responsiveness, and physical examination. In silico evaluation revealed 7 different highly conserved motifs, with the most common pathogenic mutation located in the first. Neuronal outgrowth assays showed that some TBC1D24 mutations, associated with the most severe TBC1D24-associated disorders, are not necessarily the most disruptive to this gene function.TBC1D24-related epilepsy syndromes show marked phenotypic pleiotropy, with multisystem involvement and severity spectrum ranging from isolated deafness (not studied here), benign myoclonic epilepsy restricted to childhood with complete seizure control and normal intellect, to early-onset epileptic encephalopathy with severe developmental delay and early death. There is no distinct correlation with mutation type or location yet, but patterns are emerging. Given the phenotypic breadth observed, TBC1D24 mutation screening is indicated in a wide variety of epilepsies. A TBC1D24 consortium was formed to develop further research on this gene and its associated phenotypes.

Published
2016

49. CLINICAL HETEROGENEITY AND ITS POTENTIAL THERAPEUTIC IMPLICATIONS IN CHILDREN WITH SCN2A-RELATED DISORDERS

Author

Ceulemans, B., Lederer, D., Dorn, T., Helbig, K. L., Hardies, K., Stamberger, H., de Jonghe, P., Weckhuysen, S., Lemke, J. R., Helbig, I, Kluger, G., Moller, R. S., Johannesen, K. M., Wolf, M., Masnada, S., Rubboli, G., Gardella, E., Milh, M., Villard, L., Mignot, C., Lardennois, C., Bourel-Ponchel, Emilie, Nava, C., Lesca, G., Gerard, M., Perrin, L., Doummar, D., Auvin, S., Miranda, M. J., Brilstra, E., Knoers, N., Doecker, M., Bast, T., Loddenkemper, T., Wong-Kisiel, L., Baumeister, F. M., Fazeli, W., Striano, P., Kurlemann, G., Klepper, J., Thoene, J. G., Arndt, D. H., Schmitt-Mechelke, T., Maier, O., Muhle, H., Wical, B., Finetti, C., Brueckner, R., Pietz, J., Golla, G., Jillella, D., Afenjar, A., Linnet, K. M., Charles, P., Oiglane-Slik, E., Mantovani, J. F., Deprez, M., Scalais, E., Lagae, L., Nikanorova, M., Hjalgrim, H., Depienne, C., Scheidecker, S., Kremer, V, Doray, B., Alembik, y., University of British Columbia (UBC), Pédiatrie spécialisée et médecine infantile (neurologie, pneumologie, maladies héréditaires du métabolisme) - Hôpital de la Timone, Ecole Polytechnique Fédérale de Lausanne (EPFL), Université de Strasbourg (UNISTRA), Centre National de la Recherche Scientifique (CNRS), Groupe de Recherche sur l'Analyse Multimodale de la Fonction Cérébrale - UMR INSERM_S 1105 (GRAMFC), Université de Picardie Jules Verne (UPJV)-CHU Amiens-Picardie-Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Centre de recherche en neurosciences de Lyon - Lyon Neuroscience Research Center (CRNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Université Jean Monnet [Saint-Étienne] (UJM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Insulaire du Vivant et de l'Environnement (LIVE), Université de la Nouvelle-Calédonie (UNC), Service de neuropédiatrie et maladies métaboliques [CHU Robert-Debré], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Robert Debré, Department of Child Neurology, Development and Rehabilitation [Hospital of Eastern Switzerland], Children's Hospital of Eastern Switzerland St.Gallen, Service de génétique et embryologie médicales [CHU Trousseau], CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de médecine interne et centre de référence des maladies rares [CHU Cochin], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Cochin [AP-HP], IMEC (IMEC), Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven), Statens seruminstitut, and Les Hôpitaux Universitaires de Strasbourg (HUS)

Subjects
[SDV]Life Sciences [q-bio], ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2016

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