Author: "Sophie Naudion" / Topic: genetics (clinical) - Searchworks@Jio Institute Digital Library Search Results

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18 results on '"Sophie Naudion"'

1. First evidence of <scp> SOX2 </scp> mutations in Peters' anomaly: Lessons from molecular screening of 95 patients

Author: Bertrand Chesneau, Marion Aubert‐Mucca, Félix Fremont, Jacmine Pechmeja, Vincent Soler, Bertrand Isidor, Mathilde Nizon, Hélène Dollfus, Josseline Kaplan, Lucas Fares‐Taie, Jean‐Michel Rozet, Tiffany Busa, Didier Lacombe, Sophie Naudion, Jeanne Amiel, Marlène Rio, Tania Attie‐Bitach, Cécile Lesage, Dominique Thouvenin, Sylvie Odent, Godelieve Morel, Catherine Vincent‐Delorme, Odile Boute, Clémence Vanlerberghe, Anne Dieux, Simon Boussion, Laurence Faivre, Lucile Pinson, Fanny Laffargue, Gwenaël Le Guyader, Guylène Le Meur, Fabienne Prieur, Victor Lambert, Beatrice Laudier, Edouard Cottereau, Carmen Ayuso, Marta Corton‐Pérez, Laurence Bouneau, Cédric Le Caignec, Véronique Gaston, Claire Jeanton‐Scaramouche, Delphine Dupin‐Deguine, Patrick Calvas, Nicolas Chassaing, Julie Plaisancié, Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), unité de recherche de l'institut du thorax UMR1087 UMR6291 (ITX), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Nantes Université - UFR de Médecine et des Techniques Médicales (Nantes Univ - UFR MEDECINE), Nantes Université - pôle Santé, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ)-Nantes Université - pôle Santé, Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ), Centre de Référence pour les Affections Rares en Génétique Ophtalmologique (CARGO) et Service de Génétique Médicale, Hôpitaux Universitaires de Strasbourg, Imagine - Institut des maladies génétiques (IHU) (Imagine - U1163), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité), Département de génétique médicale [Hôpital de la Timone - APHM], Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE)-Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Bordeaux [Bordeaux], CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Institut des Jeunes Aveugles [Toulouse] (IJA), Clinique rive gauche, Institut de Génétique et Développement de Rennes (IGDR), 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 ), Centre de référence Maladies Rares CLAD-Ouest [Rennes], CHU Lille, Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Département génétique méd, mal rares et médecine personnalisée [CHRU de Montpellier], Pôle Biologie-Pathologie [CHRU Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), CHU Estaing [Clermont-Ferrand], CHU Clermont-Ferrand, Centre hospitalier universitaire de Poitiers (CHU Poitiers), Centre hospitalier universitaire de Nantes (CHU Nantes), Centre Hospitalier Universitaire de Saint-Etienne [CHU Saint-Etienne] (CHU ST-E), Centre Hospitalier Régional d'Orléans (CHRO), CHU Trousseau [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), CIBER de Enfermedades Raras (CIBERER), Universidad Autónoma de Madrid (UAM), Toulouse Neuro Imaging Center (ToNIC), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Toulouse Mind & Brain Institut (TMBI), Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT), French National Research AgencyFrench National Research Agency (ANR) [ANR-10-COHO-0003], and ANR-10-COHO-0003,RADICO,Cohorte nationale maladies rares(2010)
Subjects: Comparative Genomic Hybridization, [SDV.GEN]Life Sciences [q-bio]/Genetics, DNA Copy Number Variations, SOXB1 Transcription Factors, Peters' anomaly, [SDV]Life Sciences [q-bio], CNV, SOX2, eye diseases, PAX6, Corneal Opacity, microphthalmia, Anterior Eye Segment, Mutation, B3GLCT, Genetics, Humans, anterior segment dysgenesis, FOXE3, Eye Abnormalities, PITX3, Genetics (clinical)
Abstract: International audience; Peters' anomaly (PA) is a rare anterior segment dysgenesis characterized by central corneal opacity and irido-lenticulo-corneal adhesions. Several genes are involved in syndromic or isolated PA (B3GLCT, PAX6, PITX3, FOXE3, CYP1B1). Some copy number variations (CNVs) have also been occasionally reported. Despite this genetic heterogeneity, most of patients remain without genetic diagnosis. We retrieved a cohort of 95 individuals with PA and performed genotyping using a combination of comparative genomic hybridization, whole genome, exome and targeted sequencing of 119 genes associated with ocular development anomalies. Causative genetic defects involving 12 genes and CNVs were identified for 1/3 of patients. Unsurprisingly, B3GLCT and PAX6 were the most frequently implicated genes, respectively in syndromic and isolated PA. Unexpectedly, the third gene involved in our cohort was SOX2, the major gene of micro-anophthalmia. Four unrelated patients with PA (isolated or with microphthalmia) were carrying pathogenic variants in this gene that was never associated with PA before. Here we described the largest cohort of PA patients ever reported. The genetic bases of PA are still to be explored as genetic diagnosis was unavailable for 2/3 of patients. Nevertheless, we showed here for the first time the involvement of SOX2 in PA, offering new evidence for its role in corneal transparency and anterior segment development.
Published: 2022
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2. SRSF1 haploinsufficiency is responsible for a syndromic developmental disorder associated with intellectual disability

Author: Elke Bogaert, Aurore Garde, Thierry Gautier, Kathleen Rooney, Yannis Duffourd, Pontus LeBlanc, Emma van Reempts, Frederic Tran Mau-Them, Ingrid M. Wentzensen, Kit Sing Au, Kate Richardson, Hope Northrup, Vincent Gatinois, David Geneviève, Raymond J. Louie, Michael J. Lyons, Lone Walentin Laulund, Charlotte Brasch-Andersen, Trine Maxel Juul, Fatima El It, Nathalie Marle, Patrick Callier, Raissa Relator, Sadegheh Haghshenas, Haley McConkey, Jennifer Kerkhof, Claudia Cesario, Antonio Novelli, Nicola Brunetti-Pierri, Michele Pinelli, Perrine Pennamen, Sophie Naudion, Marine Legendre, Cécile Courdier, Aurelien Trimouille, Martine Doco Fenzy, Lynn Pais, Alison Yeung, Kimberly Nugent, Elizabeth R. Roeder, Tadahiro Mitani, Jennifer E. Posey, Daniel Calame, Hagith Yonath, Jill A. Rosenfeld, Luciana Musante, Flavio Faletra, Francesca Montanari, Giovanna Sartor, Alessandra Vancini, Marco Seri, Claude Besmond, Karine Poirier, Laurence Hubert, Dimitri Hemelsoet, Arnold Munnich, James R. Lupski, Christophe Philippe, Christel Thauvin-Robinet, Laurence Faivre, Bekim Sadikovic, Jérôme Govin, Bart Dermaut, Antonio Vitobello, Bogaert, Elke, Garde, Aurore, Gautier, Thierry, Rooney, Kathleen, Duffourd, Yanni, Leblanc, Pontu, van Reempts, Emma, Tran Mau-Them, Frederic, Wentzensen, Ingrid M, Au, Kit Sing, Richardson, Kate, Northrup, Hope, Gatinois, Vincent, Geneviève, David, Louie, Raymond J, Lyons, Michael J, Laulund, Lone Walentin, Brasch-Andersen, Charlotte, Maxel Juul, Trine, El It, Fatima, Marle, Nathalie, Callier, Patrick, Relator, Raissa, Haghshenas, Sadegheh, Mcconkey, Haley, Kerkhof, Jennifer, Cesario, Claudia, Novelli, Antonio, Brunetti-Pierri, Nicola, Pinelli, Michele, Pennamen, Perrine, Naudion, Sophie, Legendre, Marine, Courdier, Cécile, Trimouille, Aurelien, Fenzy, Martine Doco, Pais, Lynn, Yeung, Alison, Nugent, Kimberly, Roeder, Elizabeth R, Mitani, Tadahiro, Posey, Jennifer E, Calame, Daniel, Yonath, Hagith, Rosenfeld, Jill A, Musante, Luciana, Faletra, Flavio, Montanari, Francesca, Sartor, Giovanna, Vancini, Alessandra, Seri, Marco, Besmond, Claude, Poirier, Karine, Hubert, Laurence, Hemelsoet, Dimitri, Munnich, Arnold, Lupski, James R, Philippe, Christophe, Thauvin-Robinet, Christel, Faivre, Laurence, Sadikovic, Bekim, Govin, Jérôme, Dermaut, Bart, and Vitobello, Antonio
Subjects: SRSF1, splicing, epigenetic signature, Medicine and Health Sciences, Genetics, Drosophila, neurodevelopmental disorder, Genetics (clinical), haploinsufficiency
Abstract: SRSF1 (also known as ASF/SF2) is a non-small nuclear ribonucleoprotein (non-snRNP) that belongs to the arginine/serine (R/S) domain family. It recognizes and binds to mRNA, regulating both constitutive and alternative splicing. The complete loss of this proto-oncogene in mice is embryonically lethal. Through international data sharing, we identified 17 individuals (10 females and 7 males) with a neurodevelopmental disorder (NDD) with heterozygous germline SRSF1 variants, mostly de novo, including three frameshift variants, three nonsense variants, seven missense variants, and two microdeletions within region 17q22 encompassing SRSF1. Only in one family, the de novo origin could not be established. All individuals featured a recurrent phenotype including developmental delay and intellectual disability (DD/ID), hypotonia, neurobehavioral problems, with variable skeletal (66.7%) and cardiac (46%) anomalies. To investigate the functional consequences of SRSF1 variants, we performed in silico structural modeling, developed an in vivo splicing assay in Drosophila, and carried out episignature analysis in blood-derived DNA from affected individuals. We found that all loss-of-function and 5 out of 7 missense variants were pathogenic, leading to a loss of SRSF1 splicing activity in Drosophila, correlating with a detectable and specific DNA methylation episignature. In addition, our orthogonal in silico, in vivo, and epigenetics analyses enabled the separation of clearly pathogenic missense variants from those with uncertain significance. Overall, these results indicated that haploinsufficiency of SRSF1 is responsible for a syndromic NDD with ID due to a partial loss of SRSF1-mediated splicing activity.
Published: 2023

3. ARF1-related disorder: phenotypic and molecular spectrum

Author: Jean-Madeleine de Sainte Agathe, Ben Pode-Shakked, Sophie Naudion, Vincent Michaud, Benoit Arveiler, Patricia Fergelot, Jean Delmas, Boris Keren, Céline Poirsier, Fowzan S Alkuraya, Brahim Tabarki, Eric Bend, Kellie Davis, Martina Bebin, Michelle L Thompson, Emily M Bryant, Matias Wagner, Iris Hannibal, Jerica Lenberg, Martin Krenn, Kristen M Wigby, Jennifer R Friedman, Maria Iascone, Anna Cereda, Térence Miao, Eric LeGuern, Emanuela Argilli, Elliott Sherr, Oana Caluseriu, Timothy Tidwell, Pinar Bayrak-Toydemir, Caroline Hagedorn, Melanie Brugger, Katharina Vill, Francois-Dominique Morneau-Jacob, Wendy Chung, Kathryn N Weaver, Joshua W Owens, Ammar Husami, Bimal P Chaudhari, Brandon S Stone, Katie Burns, Rachel Li, Iris M de Lange, Margaux Biehler, Emmanuelle Ginglinger, Bénédicte Gérard, Rolf W Stottmann, and Aurélien Trimouille
Subjects: Genetics, Developmental defects, epilepsy, human genetics, sequence analysis, DNA, Genetics (clinical), ddc
Abstract: PurposeARF1was previously implicated in periventricular nodular heterotopia (PVNH) in only five individuals and systematic clinical characterisation was not available. The aim of this study is to provide a comprehensive description of the phenotypic and genotypic spectrum ofARF1-related neurodevelopmental disorder.MethodsWe collected detailed phenotypes of an international cohort of individuals (n=17) withARF1variants assembled through the GeneMatcher platform. Missense variants were structurally modelled, and the impact of several were functionally validated.ResultsDe novo variants (10 missense, 1 frameshift, 1 splice altering resulting in 9 residues insertion) inARF1were identified among 17 unrelated individuals. Detailed phenotypes included intellectual disability (ID), microcephaly, seizures and PVNH. No specific facial characteristics were consistent across all cases, however microretrognathia was common. Various hearing and visual defects were recurrent, and interestingly, some inflammatory features were reported. MRI of the brain frequently showed abnormalities consistent with a neuronal migration disorder.ConclusionWe confirm the role ofARF1in an autosomal dominant syndrome with a phenotypic spectrum including severe ID, microcephaly, seizures and PVNH due to impaired neuronal migration.
Published: 2022

4. De novo variants in ATP2B1 lead to neurodevelopmental delay

Author: Meer Jacob Rahimi, Nicole Urban, Meret Wegler, Heinrich Sticht, Michael Schaefer, Bernt Popp, Frank Gaunitz, Manuela Morleo, Vincenzo Nigro, Silvia Maitz, Grazia M.S. Mancini, Claudia Ruivenkamp, Eun-Kyung Suk, Tobias Bartolomaeus, Andreas Merkenschlager, Daniel Koboldt, Dennis Bartholomew, Alexander P.A. Stegmann, Margje Sinnema, Irma Duynisveld, Ramona Salvarinova, Simone Race, Bert B.A. de Vries, Aurélien Trimouille, Sophie Naudion, Daphna Marom, Uri Hamiel, Noa Henig, Florence Demurger, Nils Rahner, Enrika Bartels, J. Austin Hamm, Abbey M. Putnam, Richard Person, Rami Abou Jamra, Henry Oppermann, Rahimi, Meer Jacob, Urban, Nicole, Wegler, Meret, Sticht, Heinrich, Schaefer, Michael, Popp, Bernt, Gaunitz, Frank, Morleo, Manuela, Nigro, Vincenzo, Maitz, Silvia, Mancini, Grazia M S, Ruivenkamp, Claudia, Suk, Eun-Kyung, Bartolomaeus, Tobia, Merkenschlager, Andrea, Koboldt, Daniel, Bartholomew, Denni, Stegmann, Alexander P A, Sinnema, Margje, Duynisveld, Irma, Salvarinova, Ramona, Race, Simone, de Vries, Bert B A, Trimouille, Aurélien, Naudion, Sophie, Marom, Daphna, Hamiel, Uri, Henig, Noa, Demurger, Florence, Rahner, Nil, Bartels, Enrika, Hamm, J Austin, Putnam, Abbey M, Person, Richard, Abou Jamra, Rami, Oppermann, Henry, Clinical Genetics, MUMC+: DA KG Lab Specialisten (9), MUMC+: DA KG Lab Centraal Lab (9), MUMC+: DA KG Polikliniek (9), and RS: FHML non-thematic output
Subjects: EXPRESSION, HOMEOSTASIS, de novo, seizure, HOUSEKEEPING FUNCTION, calcium homeostasi, Mutation, Missense, PLASMA-MEMBRANE CA2+-ATPASE, ISOFORMS, ATP2B1, Nervous System Malformations, development delay, abnormal behavior, Plasma Membrane Calcium-Transporting ATPases, CA2+, Report, BINDING, Genetics, Humans, MUTATION, Genetics (clinical), neurodevelopmental disorder, HEK293 Cells, Phenotype, Neurodevelopmental Disorders, intellectual disability
Abstract: Calcium (Ca2+) is a universal second messenger involved in synaptogenesis and cell survival; consequently, its regulation is important for neurons. ATPase plasma membrane Ca2+ transporting 1 (ATP2B1) belongs to the family of ATP-driven calmodulin-dependent Ca2+ pumps that participate in the regulation of intracellular free Ca2+. Here, we clinically describe a cohort of 12 unrelated individuals with variants in ATP2B1 and an overlapping phenotype of mild to moderate global development delay. Additional common symptoms include autism, seizures, and distal limb abnormalities. Nine probands harbor missense variants, seven of which were in specific functional domains, and three individuals have nonsense variants. 3D structural protein modeling suggested that the variants have a destabilizing effect on the protein. We performed Ca2+ imaging after introducing all nine missense variants in transfected HEK293 cells and showed that all variants lead to a significant decrease in Ca2+ export capacity compared with the wild-type construct, thus proving their pathogenicity. Furthermore, we observed for the same variant set an incorrect intracellular localization of ATP2B1. The genetic findings and the overlapping phenotype of the probands as well as the functional analyses imply that de novo variants in ATP2B1 lead to a monogenic form of neurodevelopmental disorder.
Published: 2022

5. Genetic diversity and pathogenic variants as possible predictors of severity in a French sample of nonsyndromic heritable thoracic aortic aneurysms and dissections (nshTAAD)

Author: Nadine Hanna, Tiffany Busa, Mélodie Aubart, Bruno Leheup, Laurence Faivre, Maud Langeois, Laurent Gouya, Jacques Ropers, Patrice Bouvagnet, Sophie Dupuis-Girod, Sophie Naudion, Louise Benarroch, Didier Lacombe, Olivier Milleron, Sylvie Odent, Maria Tchitchinadze, Guillaume Jondeau, Catherine Boileau, Pauline Arnaud, Yves Dulac, Thomas Edouard, Laurence Bal, Département de Génétique (Hôpital Bichat), Laboratoire de Recherche Vasculaire Translationnelle (LVTS (UMR_S_1148 / U1148)), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Cité (UPCité)-Université Sorbonne Paris Nord, Département de Génétique et Centre de Référence Maladies Rares Syndrome de Marfan et pathologies apparentées (AP HP, hôpital Bichat), AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de Chirurgie Vasculaire (SCV-AP-MM Marseille), Hôpital Nord AP‐MM Marseille, France (AP‐MM Marseille), Hôpital Louis Pradel [CHU - HCL], Hospices Civils de Lyon (HCL), Service de pédiatrie multidisciplinaire [Hôpital de la Timone Enfants - APHM], Hôpital de la Timone [CHU - APHM] (TIMONE), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Hôpital Femme Mère Enfant [CHU - HCL] (HFME), FHU TRANSLAD (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), CHU de Bordeaux Pellegrin [Bordeaux], Laboratoire Maladies Rares: Génétique et Métabolisme (Bordeaux) (U1211 INSERM/MRGM), Université de Bordeaux (UB)-Groupe hospitalier Pellegrin-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Universitaire de Nancy (CHU Nancy), Hôpital Sud [CHU Rennes], CHU Pontchaillou [Rennes], Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO), and CARBILLET, Véronique
Subjects: Male, Proband, class 4 and 5 variants, Fibrillin-1, SMAD3 gene, MESH: Fibrillin-1 / genetics, [SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseases, MESH: Child, Pathology, Molecular, MESH: Aneurysm, Dissecting / genetics, Child, MESH: High-Throughput Nucleotide Sequencing, Genetics (clinical), MESH: Aged, Aortic dissection, Genetics, FBN1 gene, MESH: Genetic Predisposition to Disease, High-Throughput Nucleotide Sequencing, Middle Aged, Predictive value, Pedigree, Codon, Nonsense, NGS, MESH: Aortic Aneurysm, Thoracic / genetics, [SDV.MHEP.MI] Life Sciences [q-bio]/Human health and pathology/Infectious diseases, Female, Premature Termination Codon, Adult, Adolescent, Autosomal dominant transmission, Young Adult, medicine, Humans, Genetic Predisposition to Disease, Genetic Testing, Smad3 Protein, MESH: Codon, Nonsense / genetics, Gene, Aged, MESH: Adolescent, Genetic diversity, Aortic Aneurysm, Thoracic, business.industry, Genetic heterogeneity, MESH: Aortic Aneurysm, Thoracic / diagnosis, MESH: Aneurysm, Dissecting / diagnosis, MESH: Adult, MESH: Genetic Testing / methods, medicine.disease, thoracic aortic aneurysms and dissections, Aortic Dissection, Mutation, business, MESH: Aneurysm, Dissecting / physiopathology, MESH: Female
Abstract: International audience; Purpose : Heritable thoracic aortic aneurysms and dissections (hTAAD) are life-threatening complications of well-known syndromic diseases or underdiagnosed nonsyndromic heritable forms (nshTAAD). Both have an autosomal dominant transmission and are genetically heterogeneous. Our objective was to describe the relevance of molecular diagnosis in these patients and the contribution of each gene in nshTAAD. Methods : Two hundred twenty-six consecutive nshTAAD probands, either young (
Published: 2019
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6. Next-generation sequencing in a series of 80 fetuses with complex cardiac malformations and/or heterotaxy

Author: Julien Thevenon, Sophie Blesson, Sylvie Manouvrier Hanu, Chloé Quélin, Florence Fellmann, Nicolas Chassaing, Fabienne Giuliano, Laetitia Lambert, Caroline Rooryck-Thambo, Pierre-Simon Jouk, Sylvie Di Filippo, Alexandre Vasiljevic, Christine Francannet, Daphné Lehalle, Audrey Putoux, Anna‐Gaëlle Giguet‐Valard, Sophie Naudion, Salima El Chehadeh, Estelle Colin, Viorica Ciorna‐Monferrato, Bruno Reversade, Lionel Van Maldergem, Fanny Morice-Picard, Renaud Touraine, Sébastien Moutton, Jocelyne Attia, Laurent Pasquier, A. Vigouroux-Castera, Catherine Yardin, Tania Attié-Bitach, Carine Abel, Hui Liu, Sylvie Odent, Christelle Cabrol, Florence Petit, Philippe Khau Van Kien, Thomas Simonet, Catherine Vincent-Delorme, Jean Chiesa, Juliette Piard, Anne Bazin, Mélanie Fradin, Bertrand Isidor, Loubna El Zein, Patrice Bouvagnet, Marie-Pierre Brechard, Emmanuelle Szenker-Ravi, Sophie Scheidecker, Claire Beneteau, and ACS - Heart failure & arrhythmias
Subjects: Heart Defects, Congenital, Male, midline anomaly, Heterozygote, medicine.medical_specialty, Genetic counseling, Consanguinity, Heterotaxy Syndrome, Biology, DNA sequencing, 03 medical and health sciences, consanguinity, Genetics, medicine, Humans, Family, Family history, Genetics (clinical), 030304 developmental biology, 0303 health sciences, Fetus, Obstetrics, Homozygote, 030305 genetics & heredity, High-Throughput Nucleotide Sequencing, heterotaxy, congenital heart defects, Cardiac malformations, Pedigree, fetus, Parental consanguinity, Cytogenetic Analysis, Mutation, Female, next-generation sequencing, Heterotaxy
Abstract: Herein, we report the screening of a large panel of genes in a series of 80 fetuses with congenital heart defects (CHDs) and/or heterotaxy and no cytogenetic anomalies. There were 49 males (61%/39%), with a family history in 28 cases (35%) and no parental consanguinity in 77 cases (96%). All fetuses had complex CHD except one who had heterotaxy and midline anomalies while 52 cases (65%) had heterotaxy in addition to CHD. Altogether, 29 cases (36%) had extracardiac and extra-heterotaxy anomalies. A pathogenic variant was found in 10/80 (12.5%) cases with a higher percentage in the heterotaxy group (8/52 cases, 15%) compared with the non-heterotaxy group (2/28 cases, 7%), and in 3 cases with extracardiac and extra-heterotaxy anomalies (3/29, 10%). The inheritance was recessive in six genes (DNAI1, GDF1, MMP21, MYH6, NEK8, and ZIC3) and dominant in two genes (SHH and TAB2). A homozygous pathogenic variant was found in three cases including only one case with known consanguinity. In conclusion, after removing fetuses with cytogenetic anomalies, next-generation sequencing discovered a causal variant in 12.5% of fetal cases with CHD and/or heterotaxy. Genetic counseling for future pregnancies was greatly improved. Surprisingly, unexpected consanguinity accounts for 20% of cases with identified pathogenic variants.
Published: 2020

7. De novo CLTC variants are associated with a variable phenotype from mild to severe intellectual disability, microcephaly, hypoplasia of the corpus callosum, and epilepsy

Author: Michael C. Kruer, Hanka Venselaar, Arjan P.M. de Brouwer, Eulalie Lasseaux, Rolph Pfundt, Emilia K. Bijlsma, Marieke F. van Dooren, Amélie Piton, Christian Gilissen, Maria J. Nabais Sá, Sophie Naudion, Renzo Guerrini, Bert B.A. de Vries, Didier Lacombe, André Reis, Michèl A.A.P. Willemsen, Laurens Wiel, Elisabeth Gabau, Annalisa Vetro, Regina Trollmann, Anna Ruiz, Catherine Vincent-Delorme, David A. Koolen, Aurélien Trimouille, Christiane Zweier, Monica S Cooper, David J. Amor, Tahsin Stefan Barakat, Somayeh Bakhtiari, Marjon van Slegtenhorst, Clinical Genetics, Radboud University Medical Center [Nijmegen], Radboud Institute for Molecular Life Sciences [Nijmegen, the Netherlands], Radboud Institute for Molecular Life Sciences (RIMLS), CHU Bordeaux [Bordeaux], Laboratoire Maladies Rares: Génétique et Métabolisme (Bordeaux) (U1211 INSERM/MRGM), Université de Bordeaux (UB)-Groupe hospitalier Pellegrin-Institut National de la Santé et de la Recherche Médicale (INSERM), Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Université de Strasbourg (UNISTRA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Hôpital Jeanne de Flandre [Lille], Friedrich-Alexander Universität Erlangen-Nürnberg (FAU), Universitat Autònoma de Barcelona (UAB), Università degli Studi di Firenze = University of Florence [Firenze] (UNIFI), University of Arizona, Murdoch Children's Research Institute (MCRI), University of Melbourne, Royal Children's Hospital Melbourne, Leiden University Medical Center (LUMC), and Erasmus University Medical Center [Rotterdam] (Erasmus MC)
Subjects: Microcephaly, media_common.quotation_subject, Population, Nonsense, Biology, Corpus Callosum, Frameshift mutation, CLTC, medicine, Humans, Missense mutation, education, Genetics (clinical), media_common, Genetics, [SDV.GEN]Life Sciences [q-bio]/Genetics, education.field_of_study, Epilepsy, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], Metabolic Disorders Radboud Institute for Molecular Life Sciences [Radboudumc 6], Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3], medicine.disease, neurodevelopmental disorder, Phenotype, Biological Variation, Population, intellectual disability, Allelic heterogeneity, Haploinsufficiency, Nanomedicine Radboud Institute for Molecular Life Sciences [Radboudumc 19], Rare cancers Radboud Institute for Health Sciences [Radboudumc 9]
Abstract: Contains fulltext : 218155.pdf (Publisher’s version ) (Closed access) PURPOSE: To delineate the genotype-phenotype correlation in individuals with likely pathogenic variants in the CLTC gene. METHODS: We describe 13 individuals with de novo CLTC variants. Causality of variants was determined by using the tolerance landscape of CLTC and computer-assisted molecular modeling where applicable. Phenotypic abnormalities observed in the individuals identified with missense and in-frame variants were compared with those with nonsense or frameshift variants in CLTC. RESULTS: All de novo variants were judged to be causal. Combining our data with that of 14 previously reported affected individuals (n = 27), all had intellectual disability (ID), ranging from mild to moderate/severe, with or without additional neurologic, behavioral, craniofacial, ophthalmologic, and gastrointestinal features. Microcephaly, hypoplasia of the corpus callosum, and epilepsy were more frequently observed in individuals with missense and in-frame variants than in those with nonsense and frameshift variants. However, this difference was not significant. CONCLUSIONS: The wide phenotypic variability associated with likely pathogenic CLTC variants seems to be associated with allelic heterogeneity. The detailed clinical characterization of a larger cohort of individuals with pathogenic CLTC variants is warranted to support the hypothesis that missense and in-frame variants exert a dominant-negative effect, whereas the nonsense and frameshift variants would result in haploinsufficiency.
Published: 2020
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8. CHARGE syndrome: a recurrent hotspot of mutations in CHD7 IVS25 analyzed by bioinformatic tools and minigene assays

Author: Tania Attié-Bitach, Pierre-Simon Jouk, Frédéric Brioude, Judith Melki, Sophie Julia, Abdelaziz Sefiani, Sophie Naudion, Stephen Stamm, Jennifer Fabre-Teste, Christine Francannet, Sébastien Mur, Muriel Holder-Espinasse, Nicole Revencu, Tiffany Busa, Marine Legendre, Alain Kitzis, Stanislas Lyonnet, Jeanne Amiel, Frédéric Bilan, Patricia Blanchet, Yassamine Doubaj, Massimiliano Rossi, Brigitte Gilbert-Dussardier, Marie-Ange Delrue, Montserrat Rodríguez-Ballesteros, Véronique Abadie, UCL - (SLuc) Centre de génétique médicale UCL, and UCL - SSS/IREC/SLUC - Pôle St.-Luc
Subjects: Male, 0301 basic medicine, Sequence analysis, In silico, Computational biology, Biology, Real-Time Polymerase Chain Reaction, Brief Communication, 03 medical and health sciences, CHARGE syndrome, 0302 clinical medicine, Genetics, medicine, Humans, Genetics(clinical), Child, Genetics (clinical), DNA Helicases, Genetic disorder, Computational Biology, Sequence Analysis, DNA, medicine.disease, DNA-Binding Proteins, RNA Splice Sites, 030104 developmental biology, Chd7 gene, Mutation, RNA splicing, CHARGE Syndrome, 030217 neurology & neurosurgery, Minigene
Abstract: CHARGE syndrome is a rare genetic disorder mainly due to de novo and private truncating mutations of CHD7 gene. Here we report an intriguing hot spot of intronic mutations (c.5405-7G > A, c.5405-13G > A, c.5405-17G > A and c.5405-18C > A) located in CHD7 IVS25. Combining computational in silico analysis, experimental branch-point determination and in vitro minigene assays, our study explains this mutation hot spot by a particular genomic context, including the weakness of the IVS25 natural acceptor-site and an unconventional lariat sequence localized outside the common 40 bp upstream the acceptor splice site. For each of the mutations reported here, bioinformatic tools indicated a newly created 3’ splice site, of which the existence was confirmed using pSpliceExpress, an easy-to-use and reliable splicing reporter tool. Our study emphasizes the idea that combining these two complementary approaches could increase the efficiency of routine molecular diagnosis.
Published: 2017
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9. Further delineation of the female phenotype with KDM5C disease causing variants: 19 new individuals and review of the literature

Author: Christiane Zweier, Jamal Ghoumid, Cornelia Kraus, Sophie Nambot, Laurence Faivre, Antonio Vitobello, Stéphanie Moortgat, Thierry Bienvenu, Christel Thauvin-Robinet, Virginie Carmignac, Benjamin Cogné, Frédéric Tran Mau-Them, Julien Thevenon, Patrick Callier, Alain Verloes, Christophe Philippe, Sophie Naudion, Renaud Touraine, André Reis, Arthur Sorlin, Caroline Thuillier, Bruno Delobel, Thibaud Jouan, Francis Ramond, Cécile Zordan, Daphné Lehalle, Valérie Benoit, Yannis Duffourd, Mathilde Nizon, Emilie Tisserant, and Thomas Smol
Subjects: 0301 basic medicine, Proband, Adult, Male, Heterozygote, X-linked intellectual disability, Genetic counseling, Disease, 030105 genetics & heredity, Biology, Short stature, 03 medical and health sciences, Young Adult, Genes, X-Linked, Intellectual Disability, Intellectual disability, Genetics, medicine, Humans, 10. No inequality, Exome, Genetics (clinical), Histone Demethylases, Epilepsy, Genetic heterogeneity, Genetic Variation, medicine.disease, 3. Good health, 030104 developmental biology, Phenotype, Child, Preschool, Mental Retardation, X-Linked, Female, medicine.symptom
Abstract: X-linked intellectual disability (XLID) is a genetically heterogeneous condition involving more than 100 genes. To date, 35 pathogenic variants have been reported in the lysine specific demethylase 5C (KDM5C) gene. KDM5C variants are one of the major causes of moderate to severe XLID. Affected males present with short stature, distinctive facial features, behavioral disorders, epilepsy, and spasticity. For most of these variants, related female carriers have been reported, but phenotypic descriptions were poor. Here, we present clinical and molecular features of 19 females carrying 10 novel heterozygous variants affecting KDM5C function, including five probands with de novo variants. Four heterozygous females were asymptomatic. All affected individuals presented with learning disabilities or ID (mostly moderate), and four also had a language impairment mainly affecting expression. Behavioral disturbances were frequent, and endocrine disorders were more frequent in females. In conclusion, our findings provide evidence of the role of KDM5C in ID in females highlighting the increasing implication of XLID genes in females, even in sporadic affected individuals. Disease expression of XLID in females should be taken into consideration for genetic counseling.
Published: 2020

10. Mutational Spectrum in Holoprosencephaly Shows That FGF is a New Major Signaling Pathway

Author: Linda Akloul, Véronique David, Clarisse Baumann, Sylvie Odent, Laurent Pasquier, Christèle Dubourg, Houda Hamdi-Rozé, Daniel Amram, Charlotte Mouden, Pierre Sarda, Sophie Naudion, Amélie Poidvin, Marie Gonzales, Nicolas Chassaing, Valérie Dupé, Fabienne Prieur, Joelle Roume, Marie de Tayrac, Benmansour Abdelmajid, Annie Levy-Mozziconacci, Christine Coubes, Wilfrid Carré, Annick Toutain, Laurence Faivre-Olivier, Emmanuelle Ginglinger, and Sally-Ann Lynch
Subjects: musculoskeletal diseases, 0301 basic medicine, Genetics, congenital, hereditary, and neonatal diseases and abnormalities, Fibroblast growth factor receptor 1, Genetic counseling, Biology, Quantitative trait locus, Bioinformatics, ZIC2, medicine.disease, 3. Good health, 03 medical and health sciences, 030104 developmental biology, FGF8, Holoprosencephaly, GLI2, medicine, Gene, Genetics (clinical)
Abstract: Holoprosencephaly (HPE) is the most common congenital cerebral malformation in humans, characterized by impaired forebrain cleavage and midline facial anomalies. It presents a high heterogeneity, both in clinics and genetics. We have developed a novel targeted next-generation sequencing (NGS) assay and screened a cohort of 257 HPE patients. Mutations with high confidence in their deleterious effect were identified in approximately 24% of the cases and were held for diagnosis, whereas variants of uncertain significance were identified in 10% of cases. This study provides a new classification of genes that are involved in HPE. SHH, ZIC2, and SIX3 remain the top genes in term of frequency with GLI2, and are followed by FGF8 and FGFR1. The three minor HPE genes identified by our study are DLL1, DISP1, and SUFU. Here, we demonstrate that fibroblast growth factor signaling must now be considered a major pathway involved in HPE. Interestingly, several cases of double mutations were found and argue for a polygenic inheritance of HPE. Altogether, it supports that the implementation of NGS in HPE diagnosis is required to improve genetic counseling.
Published: 2016
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11. Fetal phenotype of Rubinstein-Taybi syndrome caused by CREBBP mutations

Author: Julien Van-Gils, Jérôme Toutain, Marie Gonzales, Laurence Taine, Sophie Blesson, Sophie Naudion, Benoit Arveiler, Tania Attié-Bitach, Jelena Martinovic, Didier Lacombe, Gwenaelle Lancelot, Bérénice Doray, Bénédicte Demeer, Sandra Whalen, and Patricia Fergelot
Subjects: 0301 basic medicine, Male, Pediatrics, medicine.medical_specialty, Genotype, Genetic counseling, Gene Dosage, Prenatal diagnosis, Autopsy, 030105 genetics & heredity, 03 medical and health sciences, Exome Sequencing, Genetics, medicine, Humans, Genetic Predisposition to Disease, Cerebellar hypoplasia, Fetal Death, Genetics (clinical), Genetic Association Studies, Rubinstein-Taybi Syndrome, Fetus, Pregnancy, Rubinstein–Taybi syndrome, business.industry, medicine.disease, CREB-Binding Protein, Developmental disorder, 030104 developmental biology, Phenotype, Mutation, Female, business
Abstract: Rubinstein-Taybi syndrome (RSTS; OMIM 180849) is an autosomal dominant developmental disorder characterized by facial dysmorphism, broad thumbs and halluces associated with intellectual disability. RSTS is caused by alterations in CREBBP (about 60%) and EP300 genes (8%). RSTS is often diagnosed at birth or during early childhood but generally not suspected during antenatal period. We report nine cases of well-documented fetal RSTS. Two cases were examined after death in utero at 18 and 35 weeks of gestation and seven cases after identification of ultrasound abnormalities and termination of pregnancy. On prenatal sonography, a large gallbladder was detected in two cases, and brain malformations were noted in four cases, especially cerebellar hypoplasia. However, the diagnosis of RSTS has not been suggested during pregnancy. Fetal autopsy showed that all fetuses had large thumbs and/or suggestive facial dysmorphism. A CREBBP gene anomaly was identified in all cases. Alterations were similar to those found in typical RSTS children. This report will contribute to a better knowledge of the fetal phenotype to consider the hypothesis of RSTS during pregnancy. Genotyping allows reassuring genetic counseling.
Published: 2018

12. Fetal phenotypes in otopalatodigital spectrum disorders

Author: Philippe Loget, Didier Lacombe, Marie-Pierre Cordier, Sébastien Moutton, Cyril Goizet, C. Abel, Cédric Hubert, Sophie Patrier, Julie Pilliod, G. Viot, Benoit Arveiler, Bettina Bessières, Alice Goldenberg, Julie Deforges, Isabelle Coupry, Caroline Rooryck, G. Sole, Anne-Lise Delezoide, Sophie Blesson, Patricia Fergelot, Elodie Guerineau, Alain Verloes, Judith Melki, F. Le Breton, S. Deves, Sophie Collardeau-Frachon, Sylvie Odent, and Sophie Naudion
Subjects: 0301 basic medicine, Genetics, Mutation, Mutation rate, Omphalocele, Craniofacial abnormality, Genetic counseling, 030105 genetics & heredity, Biology, medicine.disease_cause, Bioinformatics, medicine.disease, 3. Good health, 03 medical and health sciences, Dysplasia, medicine, FLNA, Obstructive uropathy, Genetics (clinical)
Abstract: Otopalatodigital spectrum disorders (OPDSD) include OPD syndromes types 1 and type 2 (OPD1, OPD2), Melnick-Needles syndrome (MNS), and frontometaphyseal dysplasia (FMD). These conditions are clinically characterized by variable skeletal dysplasia associated in males, with extra-skeletal features including brain malformations, cleft palate, cardiac anomalies, omphalocele and obstructive uropathy. Mutations in the FLNA gene have been reported in most FMD and OPD2 cases and in all instances of typical OPD1 and MNS. Here, we report a series of 10 fetuses and a neonatally deceased newborn displaying a multiple congenital anomalies syndrome suggestive of OPDSD and in whom we performed FLNA analysis. We found a global mutation rate of 44%. This series allows expanding the clinical and FLNA mutational spectrum in OPDSD. However, we emphasize difficulties to correctly discriminate OPDSD based on clinical criteria in fetuses due to the major overlap between these conditions. Molecular analyses may help pathologists to refine clinical diagnosis according to the type and the location of FLNA mutations. Discriminating the type of OPDSD is of importance in order to improve the genetic counseling to provide to families.
Published: 2015
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13. Phenotype and genotype analysis of a French cohort of 119 patients with CHARGE syndrome

Author: Montserrat Rodríguez-Ballesteros, Laurence Faivre, Pierre-Simon Jouk, Christine Francannet, Damien Sanlaville, Sophie Naudion, Hélène Dollfus, Nicole Philip, Pierre Sarda, Marine Legendre, X. Piguel, Alice Masurel-Paulet, Marie-Ange Delrue, Frédéric Bilan, Aurélia Jacquette, Dominique Bonneau, Catherine Vincent-Delorme, Valérie Layet, Michèle Mathieu-Dramard, Delphine Héron, Sébastien Moutton, Alice Goldenberg, Sophie Julia, Sophie Blesson, Sylvie Odent, Philippe Parent, Chloé Quélin, Estelle Colin, Mélanie Fradin, Anne-Marie Guerrot, David Geneviève, Lucile Pinson, Renaud Touraine, Sabine Sigaudy, Stéphanie Ragot, Didier Lacombe, Massimiliano Rossi, Salima El Chehadeh, Tiffany Busa, Annick Toutain, Stanislas Lyonnet, Véronique Abadie, Bruno Leheup, Dominique Martin-Coignard, Tania Attié-Bitach, Brigitte Gilbert-Dussardier, Sandra Mercier, Centre hospitalier universitaire de Poitiers (CHU Poitiers), Service de génétique clinique [Poitiers], Unité neurovasculaire et troubles cognitifs (Neuvacod), Université de Poitiers, Santé mentale et santé publique (SMSP - U1178), Université Paris-Sud - Paris 11 (UP11)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de Génétique Médicale [CHU Necker], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Necker - Enfants Malades [AP-HP], Embryology and genetics of human malformation (Equipe Inserm U1163), Imagine - Institut des maladies génétiques (IMAGINE - U1163), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Génétique Médicale et Génomique Fonctionnelle (GMGF), Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Département de génétique médicale [Hôpital de la Timone - APHM], Aix Marseille Université (AMU)-Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE)-Institut National de la Santé et de la Recherche Médicale (INSERM), MitoVasc - Physiopathologie Cardiovasculaire et Mitochondriale (MITOVASC), Université d'Angers (UA)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), 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), Institut de génétique et biologie moléculaire et cellulaire (IGBMC), Université Louis Pasteur - Strasbourg I-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Service de génétique médicale, Université de Bordeaux (UB)-CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Laboratoire Maladies Rares: Génétique et Métabolisme (Bordeaux) (U1211 INSERM/MRGM), Université de Bordeaux (UB)-Groupe hospitalier Pellegrin-Institut National de la Santé et de la Recherche Médicale (INSERM), Service de génétique [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours)-Hôpital Bretonneau, Epidémiologie et analyses en santé publique : risques, maladies chroniques et handicaps (LEASP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Hospitalier Le Mans (CH Le Mans), Cellules Souches, Plasticité Cellulaire, Médecine Régénératrice et Immunothérapies (IRMB), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Service de Génétique [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Service de génétique clinique [Rennes], Université de Rennes (UR)-CHU Pontchaillou [Rennes]-hôpital Sud, Centre Hospitalier Universitaire [Grenoble] (CHU), Service de génétique médicale - Unité de génétique clinique [Nantes], Université de Nantes (UN)-Centre hospitalier universitaire de Nantes (CHU Nantes), Génétique des Anomalies du Développement (GAD), Université de Bourgogne (UB)-IFR100 - Structure fédérative de recherche Santé-STIC, Service de Génétique Médicale [Lille], Institut de génétique médicale-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Service de Génétique Médicale [CHU Clermont-Ferrand], CHU Estaing [Clermont-Ferrand], CHU Clermont-Ferrand-CHU Clermont-Ferrand, Unité de génétique médicale et oncogénétique [CHU Amiens Picardie], CHU Amiens-Picardie, Service de génétique [Rouen], CHU Rouen, Normandie Université (NU)-Normandie Université (NU)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU), Institut de Myologie, Université Pierre et Marie Curie - Paris 6 (UPMC)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Association française contre les myopathies (AFM-Téléthon)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS), Centre Hospitalier Régional Universitaire de Brest (CHRU Brest), Centre Hospitalier Universitaire de Saint-Etienne [CHU Saint-Etienne] (CHU ST-E), 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), Service de génétique médicale [Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Hôpital Arnaud de Villeneuve, Centre de génétique - Centre de référence des maladies rares, anomalies du développement et syndromes malformatifs (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Service de Cardiologie (hôpital général, CHU Dijon), Hôpital général (CHU Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon)-Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Service Endocrinologie [CHU Poitiers], Service Génétique Médicale [CHU Poitiers], French Ministry of Health ID-RCB: 2010-A00700-39, Santé mentale et santé publique ( SMSP - U1178 ), Université Paris-Sud - Paris 11 ( UP11 ) -Université Paris Descartes - Paris 5 ( UPD5 ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), Hopital Necker-Enfants Malades-Assistance publique - Hôpitaux de Paris (AP-HP), Génétique Médicale et Génomique Fonctionnelle ( GMGF ), Aix Marseille Université ( AMU ) -Assistance Publique - Hôpitaux de Marseille ( APHM ) - Hôpital de la Timone [CHU - APHM] ( TIMONE ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ), Aix Marseille Université ( AMU ) -Assistance Publique - Hôpitaux de Marseille ( APHM ) - Hôpital de la Timone [CHU - APHM] ( TIMONE ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), Institut de Médecine Aérospatiale du Service de Santé des Armées ( IMASSA ), Service de Santé des Armées, Université d'Angers ( UA ) -CHU Angers, Institut de génétique et biologie moléculaire et cellulaire ( IGBMC ), Université Louis Pasteur - Strasbourg I-Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ), Université de Bordeaux ( UB ) -CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Hôpital Bretonneau-CHRU Tours, Epidémiologie et anlyses en santé publique: risques, maladies chroniques et handicaps, Université Paul Sabatier - Toulouse 3 ( UPS ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), Laboratoire de génétique médicale et cytogénétique [Le Mans], CH Le Mans, Cellules souches mésenchymateuses, environnement articulaire et immunothérapies de la polyarthrite rhumatoide, Université Montpellier 1 ( UM1 ) -IFR3-Institut National de la Santé et de la Recherche Médicale ( INSERM ), Service de Médecine Nucléaire [Nancy], Centre Hospitalier Régional Universitaire de Nancy ( CHRU Nancy ), CLAD Ouest, Centre Hospitalier Universitaire [Rennes], 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 ), Génétique des Anomalies du Développement ( GAD ), Université de Bourgogne ( UB ) -IFR100 - Structure fédérative de recherche Santé-STIC, Centre de Maladies Rares, Anomalies du Développement Nord de France-CH Arras - CHRU Lille, CHU - HÔTEL-DIEU Clermont-Ferrand, CHU Bordeaux [Bordeaux], CHU Rouen-Université de Rouen Normandie ( UNIROUEN ), Normandie Université ( NU ) -Normandie Université ( NU ), Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Assistance publique - Hôpitaux de Paris (AP-HP)-Association française contre les myopathies ( AFM-Téléthon ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Centre National de la Recherche Scientifique ( CNRS ), Service de Pédiatrie et de Génétique Médicale, Centre Hospitalier Régional Universitaire de Brest ( CHRU Brest ), Service de Génétique Clinique Chromosomique et Moléculaire, CHU Saint-Etienne-Hôpital Nord - Saint-Etienne, Unité de Cytogénétique et Génétique Médicale, Groupe Hospitalier du Havre-Hôpital Gustave Flaubert, Centre de recherche en neurosciences de Lyon ( 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 ), Université de Rennes ( UNIV-RENNES ) -Université de Rennes ( UNIV-RENNES ) -CHU Pontchaillou [Rennes]-Hôpital Sud, Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand ( CHU Dijon ), Centre Hospitalier Régional Universitaire [Montpellier] ( CHRU Montpellier ) -Hôpital Arnaud de Villeneuve, CHU de Montpellier, Centre Hospitalier Régional Universitaire [Montpellier] ( CHRU Montpellier ), Service de Cardiologie, Pôle DUNE, CHU de Poitiers, Centre d' investigation clinique-plurithématique du CHU de Poitiers, Génétique Médicale, CHU de Poitiers-Centre de Référence Anomalies du Développement Ouest, Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Sud - Paris 11 (UP11), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Institut de Médecine Aérospatiale du Service de Santé des Armées (IMASSA), Physiopathologie Cardiovasculaire et Mitochondriale (MITOVASC), Hôpital Bretonneau-Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM), Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), 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 ), Centre National de la Recherche Scientifique (CNRS)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Association française contre les myopathies (AFM-Téléthon)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Pierre et Marie Curie - Paris 6 (UPMC), Centre de recherche en neurosciences de Lyon (CRNL), 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), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-CHU Pontchaillou [Rennes]-hôpital Sud, Centre hospitalier universitaire de Poitiers (CHU Poitiers)-Centre de Référence Anomalies du Développement Ouest, université de Bourgogne, GAD, Centre Hospitalier Universitaire de Saint-Etienne (CHU de Saint-Etienne), Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre National de la Recherche Scientifique (CNRS)-Université d'Angers (UA), Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique )-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)
Subjects: 0301 basic medicine, Central Nervous System, Male, update, Choanal atresia, [SDV.GEN] Life Sciences [q-bio]/Genetics, 030105 genetics & heredity, Gastroenterology, spectrum, Cohort Studies, CHARGE syndrome, Genotype, Medicine, Child, Genetics (clinical), Coloboma, Genetic disorder, Cranial Nerves, Hypoplasia, 3. Good health, DNA-Binding Proteins, Phenotype, Molecular Diagnostic Techniques, Child, Preschool, Female, France, medicine.symptom, Adult, medicine.medical_specialty, Adolescent, Anosmia, 03 medical and health sciences, Young Adult, Internal medicine, Genetics, otorhinolaryngologic diseases, Humans, Abnormalities, Multiple, Genetic Testing, Alleles, Genetic Association Studies, [SDV.GEN]Life Sciences [q-bio]/Genetics, business.industry, association, DNA Helicases, Infant, medicine.disease, mutations, diagnostic-criteria, 030104 developmental biology, Amino Acid Substitution, Atresia, chd7 gene, proposal, CHARGE Syndrome, business, [ SDV.GEN ] Life Sciences [q-bio]/Genetics
Abstract: International audience; CHARGE syndrome (CS) is a genetic disorder whose first description included Coloboma, Heart disease, Atresia of choanae, Retarded growth and development, Genital hypoplasia, and Ear anomalies and deafness, most often caused by a genetic mutation in the CHD7 gene. Two features were then added: semicircular canal anomalies and arhinencephaly/olfactory bulb agenesis, with classification of typical, partial, or atypical forms on the basis of major and minor clinical criteria. The detection rate of a pathogenic variant in the CHD7 gene varies from 67% to 90%. To try to have an overview of this heterogenous clinical condition and specify a genotype-phenotype relation, we conducted a national study of phenotype and genotype in 119 patients with CS. Selected clinical diagnostic criteria were from Verloes (2005), updated by Blake & Prasad (2006). Besides obtaining a detailed clinical description, when possible, patients underwent a full ophthalmologic examination, audiometry, temporal bone CT scan, gonadotropin analysis, and olfactory-bulb MRI. All patients underwent CHD7 sequencing and MLPA analysis. We found a pathogenic CHD7 variant in 83% of typical CS cases and 58% of atypical cases. Pathogenic variants in the CHD7 gene were classified by the expected impact on the protein. In all, 90% of patients had a typical form of CS and 10% an atypical form. The most frequent features were deafness/semicircular canal hypoplasia (94%), pituitary defect/hypogonadism (89%), external ear anomalies (87%), square-shaped face (81%), and arhinencephaly/anosmia (80%). Coloboma (73%), heart defects (65%), and choanal atresia (43%) were less frequent.
Published: 2017
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14. New candidate loci identified by array-CGH in a cohort of 100 children presenting with syndromic obesity

Author: Didier Lacombe, Isabelle Kieffer, Caroline Rooryck, Anja Knoll-Gellida, Laurence Bouneau, Fabienne Nacka, Béatrice Jouret, Sophie Julia, Georges Bourrouillou, Marie-Laure Vuillaume, Adeline Vigouroux, Guillaume Banneau, Gwenaelle Diene, Audrey Cartault, David Geneviève, Jérôme Toutain, Sophie Naudion, Maithé Tauber, Pierre Sarda, Julie Bouron, Benoit Arveiler, Pascal Barat, Patrick J. Babin, Laurence Faivre, Marie-Ange Delrue, Eric Bieth, and Dorothée Cailley
Subjects: Male, CNTNAP2, Candidate gene, DNA Copy Number Variations, Quantitative Trait Loci, Gene Expression, Chromosome Disorders, Biology, Bioinformatics, Gene duplication, Intellectual disability, Genetics, medicine, Humans, Obesity, Copy-number variation, Child, Genetic Association Studies, Genetics (clinical), Chromosome Aberrations, Comparative Genomic Hybridization, Infant, Genomics, Syndrome, medicine.disease, Phenotype, Child, Preschool, Cohort, Etiology, Female, Genome-Wide Association Study, Comparative genomic hybridization
Abstract: Syndromic obesity is defined by the association of obesity with one or more feature(s) including developmental delay, dysmorphic traits, and/or congenital malformations. Over 25 syndromic forms of obesity have been identified. However, most cases remain of unknown etiology. The aim of this study was to identify new candidate loci associated with syndromic obesity to find new candidate genes and to better understand molecular mechanisms involved in this pathology. We performed oligonucleotide microarray-based comparative genomic hybridization in a cohort of 100 children presenting with syndromic obesity of unknown etiology, after exhaustive clinical, biological, and molecular studies. Chromosomal copy number variations were detected in 42% of the children in our cohort, with 23% of patients with potentially pathogenic copy number variants. Our results support that chromosomal rearrangements are frequently associated with syndromic obesity with a variety of contributory genes having relevance to either obesity or developmental delay. A list of inherited or apparently de novo duplications and deletions including their enclosed genes and not previously linked to syndromic obesity was established. Proteins encoded by several of these genes are involved in lipid metabolism (ACOXL, MSMO1, MVD, and PDZK1) linked with nervous system function (BDH1 and LINGO2), neutral lipid storage (PLIN2), energy homeostasis and metabolic processes (CDH13, CNTNAP2, CPPED1, NDUFA4, PTGS2, and SOCS6).
Published: 2014
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15. Homozygous and compound heterozygous mutations in the FBN1 gene: unexpected findings in molecular diagnosis of Marfan syndrome

Author: Gwenaëlle Collod-Béroud, Olivier Milleron, Sylvie Odent, Sophie Dupuis-Girod, Nadine Hanna, Guillaume Jondeau, Catherine Boileau, Mélodie Aubart, Bruno Leheup, Didier Lacombe, Sophie Naudion, Maud Langeois, Laurence Bal, Pauline Arnaud, Laurent Gouya, Myrtille Spentchian, Laurence Faivre, Thomas Edouard, Département de Génétique et Centre de Référence Maladies Rares Syndrome de Marfan et pathologies apparentées (AP HP, hôpital Bichat), AP-HP - Hôpital Bichat - Claude Bernard [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Laboratoire de Recherche Vasculaire Translationnelle (LVTS (UMR_S_1148 / U1148)), Université Paris 13 (UP13)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de la Santé et de la Recherche Médicale (INSERM), Service de Génétique Clinique Pédiatrique [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Service de Génétique Clinique, Hôpital Femme Mère Enfant, Centre Hospitalier Universitaire de Lyon, Service de Génétique Médicale du CHU de Bordeaux, Service de génétique clinique [Rennes], Université de Rennes (UR)-CHU Pontchaillou [Rennes]-hôpital Sud, Centre de génétique - Centre de référence des maladies rares, anomalies du développement et syndromes malformatifs (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Service de Chirurgie vasculaire (Hôpital de la Timone adultes), Hôpital de la Timone [CHU - APHM] (TIMONE), Service Cardiologie pédiatrique [CHU Toulouse], Pôle Enfants [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Laboratoire de génétique des maladies rares. Pathologie moleculaire, etudes fonctionnelles et banque de données génétiques (LGMR), Université Montpellier 1 (UM1)-IFR3, Université Montpellier 1 (UM1)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-CHU Pontchaillou [Rennes]-hôpital Sud, Service de Pédiatrie - Cardiologie ( CHU de Toulouse), CHU Toulouse [Toulouse], and COLLOD-BEROUD, Gwenaëlle
Subjects: 0301 basic medicine, Proband, Marfan syndrome, musculoskeletal diseases, Male, medicine.medical_specialty, congenital, hereditary, and neonatal diseases and abnormalities, Heterozygote, Fibrillin-1, Mutation, Missense, Context (language use), macromolecular substances, [SDV.GEN.GH] Life Sciences [q-bio]/Genetics/Human genetics, 030105 genetics & heredity, Biology, [SDV.BBM.BM] Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, Compound heterozygosity, Homozygosity, Marfan Syndrome, 03 medical and health sciences, Genetic heterogeneity, [SDV.MHEP.CSC]Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, Molecular genetics, Genetics, medicine, Humans, Genetic Predisposition to Disease, Genetic Testing, Allele, Pathology, Molecular, Genetics (clinical), Alleles, FBN1 gene, Homozygote, [SDV.BBM.BM]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Molecular biology, medicine.disease, Connective tissue disease, [SDV.MHEP.CSC] Life Sciences [q-bio]/Human health and pathology/Cardiology and cardiovascular system, 3. Good health, Pedigree, 030104 developmental biology, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, Codon, Nonsense, Female
Abstract: IF 5.451; International audience; Background Marfan syndrome (MFS) is an autosomal-dominant connective tissue disorder usually associated with heterozygous mutations in the gene encoding fibrillin-1 (FBN1). Homozygous and compound heterozygous cases are rare events and have been associated with a clinical severe presentation.Objectives Report unexpected findings of homozygosity and compound heterozygosity in the course of molecular diagnosis of heterozygous MFS and compare the findings with published cases.Methods and results In the context of molecular diagnosis of heterozygous MFS, systematic sequencing of the FBN1 gene was performed in 2500 probands referred nationwide. 1400 probands carried a heterozygous mutation in this gene. Unexpectedly, among them four homozygous cases (0.29%) and five compound heterozygous cases (0.36%) were identified (total: 0.64%). Interestingly, none of these cases carried two premature termination codon mutations in the FBN1 gene. Clinical features for these carriers and their families were gathered and compared. There was a large spectrum of severity of the disease in probands carrying two mutated FBN1 alleles, but none of them presented extremely severe manifestations of MFS in any system compared with carriers of only one mutated FBN1 allele. This observation is not in line with the severe clinical features reported in the literature for four homozygous and three compound heterozygous probands.Conclusion Homozygotes and compound heterozygotes were unexpectedly identified in the course of molecular diagnosis of MFS. Contrary to previous reports, the presence of two mutated alleles was not associated with severe forms of MFS. Although homozygosity and compound heterozygosity are rarely found in molecular diagnosis, they should not be overlooked, especially among consanguineous families. However, no predictive evaluation of severity should be provided.
Published: 2016
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16. International Registry of Patients Carrying TGFBR1 or TGFBR2 Mutations: Results of the MAC (Montalcino Aortic Consortium)

Author: Sophie Dupuis-Girod, Shaine A. Morris, Guillaume Jondeau, Myrtille Spentchian, Arturo Evangelista, Katherine Holman, Maud Langeois, Sophie Naudion, Catherine Boileau, Hiroto Morisaki, Leslie C. Adès, Reed E. Pyeritz, Ellen S. Regalado, Richmond W. Jeremy, Julie De Backer, Takayuki Morisaki, Alan C. Braverman, Scott A. LeMaire, Olivier Milleron, Cécile Zordan, Yskert von Kodolitsch, Sylvie Odent, Dianna M. Milewicz, Mélodie Aubart, Guisela Teixedo, Madhura Bakshi, Jacques Ropers, and Laura Muiño-Mosquera
Subjects: 0301 basic medicine, Marfan syndrome, Male, Receptor, Transforming Growth Factor-beta Type I, Aorta, Thoracic, Kaplan-Meier Estimate, 030204 cardiovascular system & hematology, Loeys–Dietz syndrome, Severity of Illness Index, 0302 clinical medicine, Japan, Pregnancy, Risk Factors, Prevalence, Medicine, Registries, Genetics (clinical), Aortic dissection, Natural history, Europe, Phenotype, Treatment Outcome, Cardiology, Female, Cardiology and Cardiovascular Medicine, Vascular Surgical Procedures, medicine.medical_specialty, Heterozygote, Pregnancy Complications, Cardiovascular, Aortic Diseases, Protein Serine-Threonine Kinases, Aortic disease, Article, 03 medical and health sciences, Aneurysm, Internal medicine, Genetics, Humans, In patient, Genetic Predisposition to Disease, Proportional Hazards Models, Retrospective Studies, business.industry, Australia, Receptor, Transforming Growth Factor-beta Type II, Aortic surgery, medicine.disease, United States, 030104 developmental biology, Mutation, business, Receptors, Transforming Growth Factor beta
Abstract: Background— The natural history of aortic diseases in patients with TGFBR1 or TGFBR2 mutations reported by different investigators has varied greatly. In particular, the current recommendations for the timing of surgical repair of the aortic root aneurysms may be overly aggressive. Methods and Results— The Montalcino Aortic Consortium, which includes 15 centers worldwide that specialize in heritable thoracic aortic diseases, was used to gather data on 441 patients from 228 families, with 176 cases harboring a mutation in TGBR1 and 265 in TGFBR2 . Patients harboring a TGFBR1 mutation have similar survival rates (80% survival at 60 years), aortic risk (23% aortic dissection and 18% preventive aortic surgery), and prevalence of extra-aortic features (29% hypertelorism, 53% cervical arterial tortuosity, and 27% wide scars) when compared with patients harboring a TGFBR2 mutation. However, TGFBR1 males had a greater aortic risk than females, whereas TGFBR2 males and females had a similar aortic risk. Additionally, aortic root diameter prior to or at the time of type A aortic dissection tended to be smaller in patients carrying a TGFBR2 mutation and was ≤45 mm in 6 women with TGFBR2 mutations, presenting with marked systemic features and low body surface area. Aortic dissection was observed in 1.6% of pregnancies. Conclusions— Patients with TGFBR1 or TGFBR2 mutations show the same prevalence of systemic features and the same global survival. Preventive aortic surgery at a diameter of 45 mm, lowered toward 40 in females with low body surface area, TGFBR2 mutation, and severe extra-aortic features may be considered.
Published: 2016

17. Treacher Collins syndrome: a clinical and molecular study based on a large series of patients

Author: Marie, Vincent, David, Geneviève, Agnès, Ostertag, Sandrine, Marlin, Didier, Lacombe, Dominique, Martin-Coignard, Christine, Coubes, Albert, David, Stanislas, Lyonnet, Catheline, Vilain, Anne, Dieux-Coeslier, Sylvie, Manouvrier, Bertrand, Isidor, Marie-Line, Jacquemont, Sophie, Julia, Valérie, Layet, Sophie, Naudion, Sylvie, Odent, Laurent, Pasquier, Sybille, Pelras, Nicole, Philip, Geneviève, Pierquin, Fabienne, Prieur, Nisrine, Aboussair, Tania, Attie-Bitach, Geneviève, Baujat, Patricia, Blanchet, Catherine, Blanchet, Hélène, Dollfus, Bérénice, Doray, Elise, Schaefer, Patrick, Edery, Fabienne, Giuliano, Alice, Goldenberg, Cyril, Goizet, Agnès, Guichet, Christian, Herlin, Laetitia, Lambert, Bruno, Leheup, Jelena, Martinovic, Sandra, Mercier, Cyril, Mignot, Marie-Laure, Moutard, Marie-José, Perez, Lucile, Pinson, Jacques, Puechberty, Marjolaine, Willems, Hanitra, Randrianaivo, Kateline, Szakszon, Kateline, Szaskon, Annick, Toutain, Alain, Verloes, Jacqueline, Vigneron, Elodie, Sanchez, Pierre, Sarda, Jean-Louis, Laplanche, Corinne, Collet, Service de génétique médicale, Université de Bordeaux (UB)-CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Institut National de la Santé et de la Recherche Médicale (INSERM), Clinique de Génétique médicale Guy Fontaine [CHRU LIlle], Hôpital Jeanne de Flandres, Université de Lille, Droit et Santé-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Service de génétique médicale - Unité de génétique clinique [Nantes], Université de Nantes (UN)-Centre hospitalier universitaire de Nantes (CHU Nantes), Service de génétique médicale [Toulouse], CHU Toulouse [Toulouse]-Hôpital Purpan [Toulouse], CHU Toulouse [Toulouse], Unité de Cytogénétique et Génétique Médicale, Groupe Hospitalier du Havre-Hôpital Gustave Flaubert, Institut de Génétique et Développement de Rennes (IGDR), Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique )-Centre National de la Recherche Scientifique (CNRS)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES), Service de Génétique, Assistance Publique - Hôpitaux de Marseille (APHM)- Hôpital de la Timone [CHU - APHM] (TIMONE), Centre de Génétique Humaine, Université de Liège-CHU Liège, Imagine - Institut des maladies génétiques (IMAGINE - U1163), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Service de Génétique Médicale [CHU Necker], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Génétique et épigénétique des maladies métaboliques, neurosensorielles et du développement (Inserm U781), Institut de recherche en santé, environnement et travail (Irset), Université d'Angers (UA)-Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-École des Hautes Études en Santé Publique [EHESP] (EHESP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ), Centre de Référence pour les Affections Rares en Génétique Ophtalmologique (CARGO) et Service de Génétique Médicale, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre [Strasbourg], Centre de recherche en neurosciences de Lyon (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), Institut Jacques Monod (IJM (UMR_7592)), Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Service de Médecine Infantile III et Génétique Clinique [CHRU Nancy], Nutrition-Génétique et Exposition aux Risques Environnementaux (NGERE), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), Service de foetopathologie, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Descartes - Paris 5 (UPD5)-CHU Necker - Enfants Malades [AP-HP], Groupe de recherche clinique 'déficience intellectuelle et autisme', Université Pierre et Marie Curie - Paris 6 (UPMC), Unité fonctionnelle de neurogénétique moléculaire et cellulaire, CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Service de génétique, CHU Dijon, Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon)-Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Institut de génétique humaine (IGH), Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Service de génétique [Tours], Centre Hospitalier Régional Universitaire de Tours (CHRU Tours)-Hôpital Bretonneau, 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), Département de génétique, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Robert Debré-Université Paris Diderot - Paris 7 (UPD7), Institut Lavoisier de Versailles (ILV), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), CHU de Montpellier, Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Service Génétique Médicale [CHU Toulouse], Institut Fédératif de Biologie (IFB), Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Pôle Biologie [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), 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 d'Angers (UA)-Université de Rennes (UR)-École des Hautes Études en Santé Publique [EHESP] (EHESP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ), Centre de recherche en neurosciences de Lyon - Lyon Neuroscience Research Center (CRNL), 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), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Université de Bordeaux ( UB ) -CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Institut National de la Santé et de la Recherche Médicale, Head of the Department of Medical Genetics, Service de Génétique Clinique et Université Lille 2, Centre Hospitalier Régional Universitaire [Lille] ( CHRU Lille ), Université de Nantes ( UN ) -Centre hospitalier universitaire de Nantes ( CHU Nantes ), 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 ), Assistance Publique - Hôpitaux de Marseille ( APHM ) - Hôpital de la Timone [CHU - APHM] ( TIMONE ), Imagine - Institut des maladies génétiques ( IMAGINE - U1163 ), Centre National de la Recherche Scientifique ( CNRS ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Université Paris Descartes - Paris 5 ( UPD5 ), Assistance publique - Hôpitaux de Paris (AP-HP)-CHU Necker - Enfants Malades [AP-HP], Génétique et épigénétique des maladies métaboliques, neurosensorielles et du développement ( Inserm U781 ), Université Paris Descartes - Paris 5 ( UPD5 ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), Institut de recherche, santé, environnement et travail ( Irset ), Université d'Angers ( UA ) -Université de Rennes 1 ( UR1 ), Université de Rennes ( UNIV-RENNES ) -Université de Rennes ( UNIV-RENNES ) -École des Hautes Études en Santé Publique [EHESP] ( EHESP ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique ) -Université des Antilles ( UA ), Centre de recherche en neurosciences de Lyon ( 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 ), Institut Jacques Monod ( IJM ), Université Paris Diderot - Paris 7 ( UPD7 ) -Centre National de la Recherche Scientifique ( CNRS ), Centre Hospitalier Régional Universitaire de Nancy ( CHRU Nancy ), Nutrition-Génétique et Exposition aux Risques Environnementaux ( NGERE ), Institut National de la Santé et de la Recherche Médicale ( INSERM ) -Université de Lorraine ( UL ), Assistance publique - Hôpitaux de Paris (AP-HP)-Université Paris Descartes - Paris 5 ( UPD5 ) -CHU Necker - Enfants Malades [AP-HP], Université Pierre et Marie Curie - Paris 6 ( UPMC ), Service de Génétique [Pitié-Salpêtrière], Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Assistance publique - Hôpitaux de Paris (AP-HP)-CHU Pitié-Salpêtrière [APHP]-Université Pierre et Marie Curie - Paris 6 ( UPMC ) -Assistance publique - Hôpitaux de Paris (AP-HP)-CHU Pitié-Salpêtrière [APHP], Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand ( CHU Dijon ) -Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand ( CHU Dijon ), Institut de génétique humaine ( IGH ), Université de Montpellier ( UM ) -Centre National de la Recherche Scientifique ( CNRS ), Hôpital Bretonneau-CHRU Tours, Université Paris Diderot - Paris 7 ( UPD7 ) -Institut National de la Santé et de la Recherche Médicale ( INSERM ), Assistance publique - Hôpitaux de Paris (AP-HP)-Hôpital Robert Debré-Université Paris Diderot - Paris 7 ( UPD7 ), Institut Lavoisier de Versailles ( ILV ), Université de Versailles Saint-Quentin-en-Yvelines ( UVSQ ) -Centre National de la Recherche Scientifique ( CNRS ), Centre Hospitalier Régional Universitaire [Montpellier] ( CHRU Montpellier ), 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 ), Centre National de la Recherche Scientifique (CNRS)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-CHU Necker - Enfants Malades [AP-HP], Université de Lorraine (UL)-Institut National de la Santé et de la Recherche Médicale (INSERM), Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-Université Paris Descartes - Paris 5 (UPD5)-CHU Necker - Enfants Malades [AP-HP], Université Pierre et Marie Curie - Paris 6 (UPMC)-Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-CHU Pitié-Salpêtrière [APHP]-Université Pierre et Marie Curie - Paris 6 (UPMC)-Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-CHU Pitié-Salpêtrière [APHP], Hôpital Bretonneau-Centre Hospitalier Régional Universitaire de Tours (CHRU Tours), Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-Hôpital Robert Debré-Université Paris Diderot - Paris 7 (UPD7), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Centre National de la Recherche Scientifique (CNRS), CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique )-Institut National de la Santé et de la Recherche Médicale (INSERM)-École des Hautes Études en Santé Publique [EHESP] (EHESP)-Université de Rennes 1 (UR1), and Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Université d'Angers (UA)
Subjects: Adult, Male, 0301 basic medicine, Franceschetti syndrome, medicine.medical_specialty, Adolescent, [SDV]Life Sciences [q-bio], Molecular Sequence Data, Biology, Treacher Collins syndrome, Young Adult, 03 medical and health sciences, medicine, Humans, Base sequence, POLR1D, Amino Acid Sequence, Child, Genetic Association Studies, Ribonucleoprotein, U5 Small Nuclear, Genetics (clinical), Sequence Deletion, phenotype–genotype correlations, Base Sequence, [ SDV ] Life Sciences [q-bio], Nuclear Proteins, Large series, DNA-Directed RNA Polymerases, Mandibulofacial dysostosis, Middle Aged, Peptide Elongation Factors, Phosphoproteins, medicine.disease, Dermatology, 3. Good health, Surgery, TCOF1, 030104 developmental biology, Mutation, Microcephaly, Female, Mandibulofacial Dysostosis
Abstract: International audience; Purpose - Treacher Collins/Franceschetti syndrome (TCS; OMIM 154500) is a disorder of craniofacial development belonging to the heterogeneous group of mandibulofacial dysostoses. TCS is classically characterized by bilateral mandibular and malar hypoplasia, downward-slanting palpebral fissures, and microtia. To date, three genes have been identified in TCS:,TCOF1, POLR1D, and POLR1C. Methods - We report a clinical and extensive molecular study, including TCOF1, POLR1D, POLR1C, and EFTUD2 genes, in a series of 146 patients with TCS. Phenotype-genotype correlations were investigated for 19 clinical features, between TCOF1 and POLR1D, and the type of mutation or its localization in the TCOF1 gene. Results - We identified 92/146 patients (63%) with a molecular anomaly within TCOF1, 9/146 (6%) within POLR1D, and none within POLR1C. Among the atypical negative patients (with intellectual disability and/or microcephaly), we identified four patients carrying a mutation in EFTUD2 and two patients with 5q32 deletion encompassing TCOF1 and CAMK2A in particular. Congenital cardiac defects occurred more frequently among patients with TCOF1 mutation (7/92, 8%) than reported in the literature. Conclusion - Even though TCOF1 and POLR1D were associated with extreme clinical variability, we found no phenotype-genotype correlation. In cases with a typical phenotype of TCS, 6/146 (4%) remained with an unidentified molecular defect.
Published: 2016
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18. Otopalatodigital spectrum disorders: refinement of the phenotypic and mutational spectrum

Author: Pierre Sarda, Guilhem Solé, Fabienne Giuliano, Cyril Goizet, Marie-Ange Delrue, Eva-Lena Stattin, Patricia Fergelot, Nada Houcinat, Hubert Journel, Jacqueline Vigneron, Elisabeth Sarrazin, Benoit Arveiler, S. Deves, Laurence Faivre, Albert David, Clarisse Baumann, Martine Le Merrer, Caroline Abadie, Caroline Rooryck, Elodie Guerineau, Sophie Naudion, Marie-Laure Vuillaume, Nicolas Chassaing, Julie Bouron, Sébastien Moutton, Isabelle Coupry, David Geneviève, Marie-Pierre Cordier, Julie Deforges, Christine Francannet, Didier Lacombe, Danielle Leclair, André Mégarbané, Christophe Hubert, Service de génétique médicale, Université de Bordeaux (UB)-CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Maladies rares, génétique et métabolisme / Rare Diseases, Genetics and Metabolism, École de sage femme - Groupe hospitalier Pellegrin - CHU de Bordeaux-Institut National de la Santé et de la Recherche Médicale (INSERM), Centre Génomique Fonctionnelle Bordeaux [Bordeaux] (CGFB), Institut Polytechnique de Bordeaux-Université de Bordeaux Ségalen [Bordeaux 2], Hôpital Femme Mère Enfant [CHU - HCL] (HFME), Hospices Civils de Lyon (HCL), Service de neurologie [Bordeaux], CHU Bordeaux [Bordeaux]-Groupe hospitalier Pellegrin, Service de Génétique Médicale [CHU Necker], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-CHU Necker - Enfants Malades [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Imagine - Institut des maladies génétiques (IMAGINE - U1163), Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Service de génétique médicale - Unité de génétique clinique [Nantes], Université de Nantes (UN)-Centre hospitalier universitaire de Nantes (CHU Nantes), Département de génétique médicale, maladies rares et médecine personnalisée [CHRU Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Cellules Souches, Plasticité Cellulaire, Médecine Régénératrice et Immunothérapies (IRMB), Université de Montpellier (UM)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Dpt génétique médicale [CHU Nice], Centre Hospitalier Universitaire de Nice (CHU Nice), Centre hospitalier Bretagne Atlantique (Morbihan) (CHBA), Arabian Gulf University, Centre de génétique - Centre de référence des maladies rares, anomalies du développement et syndromes malformatifs (CHU de Dijon), Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon), Unité différenciation épidermique et auto-immunité rhumatoïde (UDEAR), Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de la Santé et de la Recherche Médicale (INSERM), Service de génétique médicale [Toulouse], CHU Toulouse [Toulouse]-Hôpital Purpan [Toulouse], CHU Toulouse [Toulouse], Service de Génétique Médicale [CHU Clermont-Ferrand], CHU Estaing [Clermont-Ferrand], CHU Clermont-Ferrand-CHU Clermont-Ferrand, Hôpital Pierre Zobda-Quitman [CHU de la Martinique], CHU de la Martinique [Fort de France], Service de Génétique Médicale [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Service de médecine physique et réadaptation [CHU Raymond-Poincaré], Hôpital Raymond Poincaré [AP-HP], AP-HP Hôpital universitaire Robert-Debré [Paris], Institut National de la Santé et de la Recherche Médicale (INSERM)-École de sage femme - Groupe hospitalier Pellegrin - CHU de Bordeaux, Assistance publique - Hôpitaux de Paris (AP-HP) (APHP)-CHU Necker - Enfants Malades [AP-HP], Centre National de la Recherche Scientifique (CNRS)-Université Paris Descartes - Paris 5 (UPD5)-Institut National de la Santé et de la Recherche Médicale (INSERM), Département de génétique médicale, maladies rares et médecine personnalisée [CHRU de Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Montpellier (UM), Centre Hospitalier Bretagne Atlantique [Vannes], Service de génétique médicale [Clermont-Ferrand], CHU Clermont-Ferrand, and AP-HP Hôpital Raymond Poincaré [Garches]
Subjects: 0301 basic medicine, Proband, Male, MESH: Sequence Analysis, DNA, 030105 genetics & heredity, Bioinformatics, medicine.disease_cause, Craniofacial Abnormalities, FLNA, Missense mutation, Genetics (clinical), Genetics, MESH: Osteochondrodysplasias / genetics, Mutation, MESH: Hand Deformities, Congenital / genetics, Exons, MESH: Amino Acid Substitution, Pedigree, Phenotype, MESH: Facies, Statistical genetics, Medical genetics, Female, MESH: Osteochondrodysplasias / diagnosis, MESH: Genetic Association Studies, Hand Deformities, Congenital, medicine.medical_specialty, MESH: Pedigree, MESH: Phenotype, Filamins, Biology, Osteochondrodysplasias, MESH: Craniofacial Abnormalities / diagnosis, 03 medical and health sciences, medicine, Humans, MESH: Filamins / genetics, Alleles, Genetic Association Studies, MESH: Hand Deformities, Congenital / diagnosis, MESH: Humans, MESH: Alleles, Facies, Sequence Analysis, DNA, medicine.disease, MESH: Craniofacial Abnormalities / genetics, Human genetics, MESH: Male, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, Amino Acid Substitution, Dysplasia, MESH: Mutation, MESH: Exons, MESH: Female
Abstract: International audience; Otopalatodigital spectrum disorders (OPDSD) constitute a group of dominant X-linked osteochondrodysplasias including four syndromes: otopalatodigital syndromes type 1 and type 2 (OPD1 and OPD2), frontometaphyseal dysplasia, and Melnick-Needles syndrome. These syndromes variably associate specific facial and extremities features, hearing loss, cleft palate, skeletal dysplasia and several malformations, and show important clinical overlap over the different entities. FLNA gain-of-function mutations were identified in these conditions. FLNA encodes filamin A, a scaffolding actin-binding protein. Here, we report phenotypic descriptions and molecular results of FLNA analysis in a large series of 27 probands hypothesized to be affected by OPDSD. We identified 11 different missense mutations in 15 unrelated probands (n=15/27, 56%), of which seven were novel, including one of unknown significance. Segregation analyses within families made possible investigating 20 additional relatives carrying a mutation. This series allows refining the phenotypic and mutational spectrum of FLNA mutations causing OPDSD, and providing suggestions to avoid the overdiagnosis of OPD1.
Published: 2015
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18 results on '"Sophie Naudion"'

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18. Otopalatodigital spectrum disorders: refinement of the phenotypic and mutational spectrum

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