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2. De novo TBR1 variants cause a neurocognitive phenotype with ID and autistic traits: report of 25 new individuals and review of the literature

Author

Nambot, Sophie, Faivre, Laurence, Mirzaa, Ghayda, Thevenon, Julien, Bruel, Ange-Line, Mosca-Boidron, Anne-Laure, Masurel-Paulet, Alice, Goldenberg, Alice, Le Meur, Nathalie, Charollais, Aude, Mignot, Cyril, Petit, Florence, Rossi, Massimiliano, Metreau, Julia, Layet, Valérie, Amram, Daniel, Boute-Bénéjean, Odile, Bhoj, Elizabeth, Cousin, Margot, Kruisselbrink, Teresa, Lanpher, Brendan, Klee, Eric, Fiala, Elise, Grange, Dorothy, Meschino, Wendy, Hiatt, Susan, Cooper, Gregory, Olivié, Hilde, Smith, Wendy, Dumas, Meghan, Lehman, Anna, Inglese, Cara, Nizon, Mathilde, Guerrini, Renzo, Vetro, Annalisa, Kaplan, Eitan, Miramar, Dolores, van Gils, Julien, Fergelot, Patricia, Bodamer, Olaf, Herkert, Johanna, Pajusalu, Sander, Õunap, Katrin, Filiano, James, Smol, Thomas, Piton, Amélie, Gérard, Bénédicte, Chantot-Bastaraud, Sandra, Bienvenu, Thierry, Li, Dong, Juusola, Jane, Devriendt, Koen, Bilan, Frederic, Poé, Charlotte, Chevarin, Martin, Jouan, Thibaud, Tisserant, Emilie, Rivière, Jean-Baptiste, Tran Mau-Them, Frédéric, Philippe, Christophe, Duffourd, Yannis, Dobyns, William, Hevner, Robert, Thauvin-Robinet, Christel, Couvet, Sandrine, 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), Lipides - Nutrition - Cancer [Dijon - U1231] (LNC), Université de Bourgogne (UB)-Institut National de la Santé et de la Recherche Médicale (INSERM)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, FHU TRANSLAD (CHU de Dijon), Center for Integrative Brain Research [Seattle, WA, USA], University of Washington [Seattle]-Seattle Children's Research Institute, Department of Pediatrics [Seattle], University of Washington [Seattle], Unité fonctionnelle d' Innovation en Diagnostic Génomique des Maladies Rares (CHU Dijon) (UF6254), Département de génétique [CHU Rouen] (Centre Normandie de Génomique et de Médecine Personnalisée), CHU Rouen, Normandie Université (NU)-Normandie Université (NU), Service de pédiatrie médicale et médecine de l'adolescent [Rouen], Normandie Université (NU)-Normandie Université (NU)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU), Service de génétique et embryologie médicales [CHU Trousseau], CHU Trousseau [APHP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Clinique de Génétique médicale Guy Fontaine [CHRU LIlle], Service de Génétique [CHU Lyon] (Centre de pathologie de l'Est), Hospices civils de Lyon (HCL), 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), Genetics of Neurodevelopment (GENDEV), 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 Claude Bernard Lyon 1 (UCBL), Service de Neurologie Pédiatrique [CHU Bicêtre], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Bicêtre, Département de génétique (groupe hospitalier le Havre), Groupe Hospitalier du Havre, Centre Hospitalier Intercommunal de Créteil (CHIC), Department of Pediatrics [Philadelphia, PA, USA] (Division of Genetics), Children’s Hospital of Philadelphia (CHOP ), The Center for Applied Genomics [Philadelphia, PA, USA], Mayo Clinic [Rochester], Department of Pediatrics [Saint Louis, MO, USA] (Division of Genetics and Genomic Medicine), Washington University in Saint Louis (WUSTL), Department of Genetics [Saint-Louis], HudsonAlpha Institute for Biotechnology [Huntsville, AL], University Hospitals Leuven [Leuven], Maine Medical Center, University of British Columbia [Vancouver], Service de génétique médicale - Unité de génétique clinique [Nantes], Université de Nantes (UN)-Centre hospitalier universitaire de Nantes (CHU Nantes), Meyer Children's Hospital [Florence, Italie], Università degli Studi di Firenze = University of Florence (UniFI), CHU Bordeaux [Bordeaux], Department of Genetics [Boston], Harvard Medical School [Boston] (HMS), University Medical Center Groningen [Groningen] (UMCG), University of Tartu, Dartmouth Hitchcock Medical Center [Lebanon, NH, USA] (DHMC), Service de Génétique Médicale [Lille], Institut de génétique médicale-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Laboratoire de Diagnostic Génétique [CHU Strasbourg], Université de Strasbourg (UNISTRA)-CHU Strasbourg, Maladies génétiques d'expression pédiatrique [CHU Trousseau] (Inserm U933), Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Trousseau [APHP], UF de Génétique chromosomique [CHU Trousseau], Service de Génétique et Biologie Moléculaires [CHU Cochin], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Cochin [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), GeneDx [Gaithersburg, MD, USA], Service Génétique Médicale [CHU Poitiers], Centre hospitalier universitaire de Poitiers (CHU Poitiers), Université de Bourgogne (UB)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Institut Agro Dijon, and Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)

Subjects
Proband, Candidate gene, INTELLECTUAL DISABILITY, MESH: Hippocampus, [SDV]Life Sciences [q-bio], MESH: Cognition, MESH: Neocortex, MESH: Child, Intellectual disability, MESH: Craniofacial Abnormalities, MESH: Animals, MESH: Syndrome, Genetics (clinical), Genetics, PROGENITORS, biology, Phenotype, NEOCORTEX, [SDV] Life Sciences [q-bio], EXPRESSION, GENES, MESH: Mutation, MESH: T-Box Domain Proteins, MESH: Autistic Disorder, [SDV.GEN.GH] Life Sciences [q-bio]/Genetics/Human genetics, MESH: Phenotype, Article, REGION, MESH: Intellectual Disability, NEUROGENESIS, Dysgenesis, FEZF2, medicine, MESH: Mice, MESH: Adolescent, MESH: Humans, MUTATIONS, business.industry, MESH: Child, Preschool, MESH: Adult, medicine.disease, MESH: Male, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, biology.protein, Autism, TBR1, business, Neurocognitive, MESH: Female
Abstract

International audience; TBR1, a T-box transcription factor expressed in the cerebral cortex, regulates the expression of several candidate genes for autism spectrum disorders (ASD). Although TBR1 has been reported as a high-confidence risk gene for ASD and intellectual disability (ID) in functional and clinical reports since 2011, TBR1 has only recently been recorded as a human disease gene in the OMIM database. Currently, the neurodevelopmental disorders and structural brain anomalies associated with TBR1 variants are not well characterized. Through international data sharing, we collected data from 25 unreported individuals and compared them with data from the literature. We evaluated structural brain anomalies in seven individuals by analysis of MRI images, and compared these with anomalies observed in TBR1 mutant mice. The phenotype included ID in all individuals, associated to autistic traits in 76% of them. No recognizable facial phenotype could be identified. MRI analysis revealed a reduction of the anterior commissure and suggested new features including dysplastic hippocampus and subtle neocortical dysgenesis. This report supports the role of TBR1 in ID associated with autistic traits and suggests new structural brain malformations in humans. We hope this work will help geneticists to interpret TBR1 variants and diagnose ASD probands.

Published
2020
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3. The clinical relevance of intragenic NRXN1 deletions

Author

Cosemans, Nele, primary, Vandenhove, Laura, additional, Vogels, Annick, additional, Devriendt, Koenraad, additional, Van Esch, Hilde, additional, Van Buggenhout, Griet, additional, Olivié, Hilde, additional, de Ravel, Thomy, additional, Ortibus, Els, additional, Legius, Eric, additional, Aerssens, Peter, additional, Breckpot, Jeroen, additional, R. Vermeesch, Joris, additional, Shen, Sanbing, additional, Fitzgerald, Jacqueline, additional, Gallagher, Louise, additional, and Peeters, Hilde, additional

Published
2020
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4. STAG1 mutations cause a novel cohesinopathy characterised by unspecific syndromic intellectual disability

Author

Lehalle, Daphné, Mosca-Boidron, Anne-Laure, Begtrup, Amber, Boute-Benejean, Odile, Charles, Perrine, Cho, Megan T, Clarkson, Amanda, Devinsky, Orrin, Duffourd, Yannis, Duplomb-Jego, Laurence, Gérard, Bénédicte, Jacquette, Aurélia, Kuentz, Paul, Masurel-Paulet, Alice, McDougall, Carey, Moutton, Sébastien, Olivié, Hilde, Park, Soo-Mi, Rauch, Anita, Revencu, Nicole, Rivière, Jean-Baptiste, Rubin, Karol, Simonic, Ingrid, Shears, Deborah J, Smol, Thomas, Taylor Tavares, Ana Lisa, Terhal, Paulien, Thevenon, Julien, Van Gassen, Koen, Vincent-Delorme, Catherine, et al, and University of Zurich

Subjects
Cohesin, 2716 Genetics (clinical), 1311 Genetics, 10039 Institute of Medical Genetics, Intellectual disability, STAG1, 570 Life sciences, biology, 610 Medicine & health, datasharing
Published
2017

5. STAG1 mutations cause a novel cohesinopathy characterised by unspecific syndromic intellectual disability

Author

UCL - (SLuc) Département de biologie clinique et d'anatomie pathologique, UCL - (SLuc) Centre de génétique médicale UCL, UCL - SSS/IREC/SLUC - Pôle St.-Luc, Lehalle, Daphné, Mosca-Boidron, Anne-Laure, Begtrup, Amber, Boute-Benejean, Odile, Charles, Perrine, Cho, Megan T, Clarkson, Amanda, Devinsky, Orrin, Duffourd, Yannis, Duplomb-Jego, Laurence, Gérard, Bénédicte, Jacquette, Aurélia, Kuentz, Paul, Masurel-Paulet, Alice, McDougall, Carey, Moutton, Sébastien, Olivié, Hilde, Park, Soo-Mi, Rauch, Anita, Revencu, Nicole, Rivière, Jean-Baptiste, Rubin, Karol, Simonic, Ingrid, Shears, Deborah J, Smol, Thomas, Taylor Tavares, Ana Lisa, Terhal, Paulien, Thevenon, Julien, Van Gassen, Koen, Vincent-Delorme, Catherine, Willemsen, Marjolein H, Wilson, Golder N, Zackai, Elaine, Zweier, Christiane, Callier, Patrick, Thauvin-Robinet, Christel, Faivre, Laurence, UCL - (SLuc) Département de biologie clinique et d'anatomie pathologique, UCL - (SLuc) Centre de génétique médicale UCL, UCL - SSS/IREC/SLUC - Pôle St.-Luc, Lehalle, Daphné, Mosca-Boidron, Anne-Laure, Begtrup, Amber, Boute-Benejean, Odile, Charles, Perrine, Cho, Megan T, Clarkson, Amanda, Devinsky, Orrin, Duffourd, Yannis, Duplomb-Jego, Laurence, Gérard, Bénédicte, Jacquette, Aurélia, Kuentz, Paul, Masurel-Paulet, Alice, McDougall, Carey, Moutton, Sébastien, Olivié, Hilde, Park, Soo-Mi, Rauch, Anita, Revencu, Nicole, Rivière, Jean-Baptiste, Rubin, Karol, Simonic, Ingrid, Shears, Deborah J, Smol, Thomas, Taylor Tavares, Ana Lisa, Terhal, Paulien, Thevenon, Julien, Van Gassen, Koen, Vincent-Delorme, Catherine, Willemsen, Marjolein H, Wilson, Golder N, Zackai, Elaine, Zweier, Christiane, Callier, Patrick, Thauvin-Robinet, Christel, and Faivre, Laurence

Abstract

Cohesinopathies are rare neurodevelopmental disorders arising from a dysfunction in the cohesin pathway, which enables chromosome segregation and regulates gene transcription. So far, eight genes from this pathway have been reported in human disease. STAG1 belongs to the STAG subunit of the core cohesin complex, along with five other subunits. This work aimed to identify the phenotype ascribed to STAG1 mutations. METHODS: Among patients referred for intellectual disability (ID) in genetics departments worldwide, array-comparative genomic hybridisation (CGH), gene panel, whole-exome sequencing or whole-genome sequencing were performed following the local diagnostic standards. RESULTS: A mutation in STAG1 was identified in 17 individuals from 16 families, 9 males and 8 females aged 2-33 years. Four individuals harboured a small microdeletion encompassing STAG1; three individuals from two families had an intragenic STAG1 deletion. Six deletions were identified by array-CGH, one by whole-exome sequencing. Whole-exome sequencing found de novo heterozygous missense or frameshift STAG1 variants in eight patients, a panel of genes involved in ID identified a missense and a frameshift variant in two individuals. The 17 patients shared common facial features, with wide mouth and deep-set eyes. Four individuals had mild microcephaly, seven had epilepsy. CONCLUSIONS: We report an international series of 17 individuals from 16 families presenting with syndromic unspecific ID that could be attributed to a STAG1 deletion or point mutation. This first series reporting the phenotype ascribed to mutation in STAG1 highlights the importance of data sharing in the field of rare disorders.

Published
2017

6. STAG1 mutations cause a novel cohesinopathy characterised by unspecific syndromic intellectual disability

Author

Genetica Klinische Genetica, Child Health, Genetica Sectie Genoomdiagnostiek, Lehalle, Daphné, Mosca-Boidron, Anne-Laure, Begtrup, Amber, Boute-Benejean, Odile, Charles, Perrine, Cho, Megan T, Clarkson, Amanda, Devinsky, Orrin, Duffourd, Yannis, Duplomb-Jego, Laurence, Gérard, Bénédicte, Jacquette, Aurélia, Kuentz, Paul, Masurel-Paulet, Alice, McDougall, Carey, Moutton, Sébastien, Olivié, Hilde, Park, Soo-Mi, Rauch, Anita, Revencu, Nicole, Rivière, Jean-Baptiste, Rubin, Karol, Simonic, Ingrid, Shears, Deborah J, Smol, Thomas, Taylor Tavares, Ana Lisa, Terhal, Paulien, Thevenon, Julien, Van Gassen, Koen, Vincent-Delorme, Catherine, Willemsen, Marjolein H, Wilson, Golder N, Zackai, Elaine, Zweier, Christiane, Callier, Patrick, Thauvin-Robinet, Christel, Faivre, Laurence, Genetica Klinische Genetica, Child Health, Genetica Sectie Genoomdiagnostiek, Lehalle, Daphné, Mosca-Boidron, Anne-Laure, Begtrup, Amber, Boute-Benejean, Odile, Charles, Perrine, Cho, Megan T, Clarkson, Amanda, Devinsky, Orrin, Duffourd, Yannis, Duplomb-Jego, Laurence, Gérard, Bénédicte, Jacquette, Aurélia, Kuentz, Paul, Masurel-Paulet, Alice, McDougall, Carey, Moutton, Sébastien, Olivié, Hilde, Park, Soo-Mi, Rauch, Anita, Revencu, Nicole, Rivière, Jean-Baptiste, Rubin, Karol, Simonic, Ingrid, Shears, Deborah J, Smol, Thomas, Taylor Tavares, Ana Lisa, Terhal, Paulien, Thevenon, Julien, Van Gassen, Koen, Vincent-Delorme, Catherine, Willemsen, Marjolein H, Wilson, Golder N, Zackai, Elaine, Zweier, Christiane, Callier, Patrick, Thauvin-Robinet, Christel, and Faivre, Laurence

Published
2017

7. STAG1mutations cause a novel cohesinopathy characterised by unspecific syndromic intellectual disability

Author

Lehalle, Daphné, primary, Mosca-Boidron, Anne-Laure, additional, Begtrup, Amber, additional, Boute-Benejean, Odile, additional, Charles, Perrine, additional, Cho, Megan T, additional, Clarkson, Amanda, additional, Devinsky, Orrin, additional, Duffourd, Yannis, additional, Duplomb-Jego, Laurence, additional, Gérard, Bénédicte, additional, Jacquette, Aurélia, additional, Kuentz, Paul, additional, Masurel-Paulet, Alice, additional, McDougall, Carey, additional, Moutton, Sébastien, additional, Olivié, Hilde, additional, Park, Soo-Mi, additional, Rauch, Anita, additional, Revencu, Nicole, additional, Rivière, Jean-Baptiste, additional, Rubin, Karol, additional, Simonic, Ingrid, additional, Shears, Deborah J, additional, Smol, Thomas, additional, Taylor Tavares, Ana Lisa, additional, Terhal, Paulien, additional, Thevenon, Julien, additional, Van Gassen, Koen, additional, Vincent-Delorme, Catherine, additional, Willemsen, Marjolein H, additional, Wilson, Golder N, additional, Zackai, Elaine, additional, Zweier, Christiane, additional, Callier, Patrick, additional, Thauvin-Robinet, Christel, additional, and Faivre, Laurence, additional

Published
2017
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8. De novo TBR1variants cause a neurocognitive phenotype with ID and autistic traits: report of 25 new individuals and review of the literature

Author

Nambot, Sophie, Faivre, Laurence, Mirzaa, Ghayda, Thevenon, Julien, Bruel, Ange-Line, Mosca-Boidron, Anne-Laure, Masurel-Paulet, Alice, Goldenberg, Alice, Le Meur, Nathalie, Charollais, Aude, Mignot, Cyril, Petit, Florence, Rossi, Massimiliano, Metreau, Julia, Layet, Valérie, Amram, Daniel, Boute-Bénéjean, Odile, Bhoj, Elizabeth, Cousin, Margot A., Kruisselbrink, Teresa M., Lanpher, Brendan C., Klee, Eric W., Fiala, Elise, Grange, Dorothy K., Meschino, Wendy S., Hiatt, Susan M., Cooper, Gregory M., Olivié, Hilde, Smith, Wendy E., Dumas, Meghan, Lehman, Anna, Inglese, Cara, Nizon, Mathilde, Guerrini, Renzo, Vetro, Annalisa, Kaplan, Eitan S., Miramar, Dolores, Van Gils, Julien, Fergelot, Patricia, Bodamer, Olaf, Herkert, Johanna C., Pajusalu, Sander, Õunap, Katrin, Filiano, James J., Smol, Thomas, Piton, Amélie, Gérard, Bénédicte, Chantot-Bastaraud, Sandra, Bienvenu, Thierry, Li, Dong, Juusola, Jane, Devriendt, Koen, Bilan, Frederic, Poé, Charlotte, Chevarin, Martin, Jouan, Thibaud, Tisserant, Emilie, Rivière, Jean-Baptiste, Tran Mau-Them, Frédéric, Philippe, Christophe, Duffourd, Yannis, Dobyns, William B., Hevner, Robert, and Thauvin-Robinet, Christel

Abstract

TBR1, a T-box transcription factor expressed in the cerebral cortex, regulates the expression of several candidate genes for autism spectrum disorders (ASD). Although TBR1has been reported as a high-confidence risk gene for ASD and intellectual disability (ID) in functional and clinical reports since 2011, TBR1has only recently been recorded as a human disease gene in the OMIM database. Currently, the neurodevelopmental disorders and structural brain anomalies associated with TBR1variants are not well characterized. Through international data sharing, we collected data from 25 unreported individuals and compared them with data from the literature. We evaluated structural brain anomalies in seven individuals by analysis of MRI images, and compared these with anomalies observed in TBR1mutant mice. The phenotype included ID in all individuals, associated to autistic traits in 76% of them. No recognizable facial phenotype could be identified. MRI analysis revealed a reduction of the anterior commissure and suggested new features including dysplastic hippocampus and subtle neocortical dysgenesis. This report supports the role of TBR1in ID associated with autistic traits and suggests new structural brain malformations in humans. We hope this work will help geneticists to interpret TBR1variants and diagnose ASD probands.

Published
2020
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10. The medical care of children with autism.

Author

Olivié H and Olivié, Hilde

Abstract

The prevalence of autism spectrum disorder (ASD) has increased considerably in the past decades. The primary care paediatrician plays an important role not only in the early recognition of ASD but also in its chronic management. Paediatricians need to be comfortable with the global care of children with ASD. The diagnostic assessment of children with ASD comprises the medical investigations to identify associated or underlying medical conditions. The most important associated conditions are seizures, feeding and gastrointestinal problems, sleep disturbances and dental abnormalities. The care of ASD patients is very demanding since along with the purely medical issues there are challenging behavioural and psychiatric conditions that need consideration and professional skills. [ABSTRACT FROM AUTHOR]

Published
2012
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11. STAG1 mutations cause a novel cohesinopathy characterised by unspecific syndromic intellectual disability.

Author

Lehalle D, Mosca-Boidron AL, Begtrup A, Boute-Benejean O, Charles P, Cho MT, Clarkson A, Devinsky O, Duffourd Y, Duplomb-Jego L, Gérard B, Jacquette A, Kuentz P, Masurel-Paulet A, McDougall C, Moutton S, Olivié H, Park SM, Rauch A, Revencu N, Rivière JB, Rubin K, Simonic I, Shears DJ, Smol T, Taylor Tavares AL, Terhal P, Thevenon J, Van Gassen K, Vincent-Delorme C, Willemsen MH, Wilson GN, Zackai E, Zweier C, Callier P, Thauvin-Robinet C, and Faivre L

Subjects
Adult, Child, Child, Preschool, Comparative Genomic Hybridization, Female, Humans, Infant, Male, Pedigree, Phenotype, Syndrome, Exome Sequencing, Cohesins, Cell Cycle Proteins metabolism, Chromosomal Proteins, Non-Histone metabolism, Intellectual Disability genetics, Mutation genetics, Nuclear Proteins genetics
Abstract

Background: Cohesinopathies are rare neurodevelopmental disorders arising from a dysfunction in the cohesin pathway, which enables chromosome segregation and regulates gene transcription. So far, eight genes from this pathway have been reported in human disease. STAG1 belongs to the STAG subunit of the core cohesin complex, along with five other subunits. This work aimed to identify the phenotype ascribed to STAG1 mutations., Methods: Among patients referred for intellectual disability (ID) in genetics departments worldwide, array-comparative genomic hybridisation (CGH), gene panel, whole-exome sequencing or whole-genome sequencing were performed following the local diagnostic standards., Results: A mutation in STAG1 was identified in 17 individuals from 16 families, 9 males and 8 females aged 2-33 years. Four individuals harboured a small microdeletion encompassing STAG1 ; three individuals from two families had an intragenic STAG1 deletion. Six deletions were identified by array-CGH, one by whole-exome sequencing. Whole-exome sequencing found de novo heterozygous missense or frameshift STAG1 variants in eight patients, a panel of genes involved in ID identified a missense and a frameshift variant in two individuals. The 17 patients shared common facial features, with wide mouth and deep-set eyes. Four individuals had mild microcephaly, seven had epilepsy., Conclusions: We report an international series of 17 individuals from 16 families presenting with syndromic unspecific ID that could be attributed to a STAG1 deletion or point mutation. This first series reporting the phenotype ascribed to mutation in STAG1 highlights the importance of data sharing in the field of rare disorders., Competing Interests: Competing interests: MTC and AB are employees of GeneDx., (Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.)

Published
2017
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