دورية أكاديمية
Delineating the genotypic and phenotypic spectrum of HECW2 -related neurodevelopmental disorders
| العنوان: | Delineating the genotypic and phenotypic spectrum of HECW2 -related neurodevelopmental disorders |
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| المؤلفون: | Acharya, Anushree, Kavus, Haluk, Dunn, Patrick, Nasir, Abdul, Folk, Leandra, Withrow, Kara, Wentzensen, Ingrid, M, Ruzhnikov, Maura, R Z, Fallot, Camille, Smol, Thomas, Rama, Mélanie, Brown, Kathleen, Whalen, Sandra, Ziegler, Alban, Barth, Magali, Chassevent, Anna, Smith-Hicks, Constance, Afenjar, Alexandra, Courtin, Thomas, Heide, Solveig, Font-Montgomery, Esperanza, Heid, Caleb, Hamm, J. Austin, Love, Donald, R, Thabet, Farouq, Misra, Vinod, K, Cunningham, Mitch, Leal, Suzanne, M, Jarvela, Irma, Normand, Elizabeth, A, Zou, Fanggeng, Helal, Mayada, Keren, Boris, Torti, Erin, Chung, Wendy, K, Schrauwen, Isabelle |
| المساهمون: | Columbia University Medical Center (CUMC), Columbia University New York, The George Washington University (GW), University of Agriculture Faisalabad - UAF (PAKISTAN), GeneDx Gaithersburg, MD, USA, Stanford University, Centre Hospitalier Régional Universitaire CHU Lille (CHRU Lille), Maladies RAres du DEveloppement embryonnaire et du MEtabolisme : du Phénotype au Génotype et à la Fonction - ULR 7364 (RADEME), Université de Lille-Centre Hospitalier Régional Universitaire CHU Lille (CHRU Lille), Institut de génétique médicale, University of Colorado Anschutz Aurora, CHU Trousseau APHP, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Sorbonne Université (SU), Centre Hospitalier Universitaire d'Angers (CHU Angers), PRES Université Nantes Angers Le Mans (UNAM), Kennedy Krieger Institute Baltimore, Johns Hopkins University School of Medicine Baltimore, CHU Pitié-Salpêtrière AP-HP, University of Missouri Columbia (Mizzou), University of Missouri System, Sidra Medicine Doha, Qatar, Children's Hospital of Michigan, Central Michigan University (CMU), Helsingin yliopisto = Helsingfors universitet = University of Helsinki |
| المصدر: | ISSN: 0022-2593. |
| بيانات النشر: | HAL CCSD BMJ Publishing Group |
| سنة النشر: | 2021 |
| المجموعة: | LillOA (HAL Lille Open Archive, Université de Lille) |
| مصطلحات موضوعية: | genetic variation, human genetics, neurology, phenotype, [SDV]Life Sciences [q-bio] |
| الوصف: | International audience ; Background Variants in HECW2 have recently been reported to cause a neurodevelopmental disorder with hypotonia, seizures and impaired language; however, only six variants have been reported and the clinical characteristics have only broadly been defined. Methods Molecular and clinical data were collected from clinical and research cohorts. Massive parallel sequencing was performed and identified individuals with a HECW2- related neurodevelopmental disorder. Results We identified 13 novel missense variants in HECW2 in 22 unpublished cases, of which 18 were confirmed to have a de novo variant. In addition, we reviewed the genotypes and phenotypes of previously reported and new cases with HECW2 variants (n=35 cases). All variants identified are missense, and the majority of likely pathogenic and pathogenic variants are located in or near the C-terminal HECT domain (88.2%). We identified several clustered variants and four recurrent variants (p.(Arg1191Gln);p.(Asn1199Lys);p.(Phe1327Ser);p.(Arg1330Trp)). Two variants, (p.(Arg1191Gln);p.(Arg1330Trp)), accounted for 22.9% and 20% of cases, respectively. Clinical characterisation suggests complete penetrance for hypotonia with or without spasticity (100%), developmental delay/intellectual disability (100%) and developmental language disorder (100%). Other common features are behavioural problems (88.9%), vision problems (83.9%), motor coordination/movement (75%) and gastrointestinal issues (70%). Seizures were present in 61.3% of individuals. Genotype-phenotype analysis shows that HECT domain variants are more frequently associated with cortical visual impairment and gastrointestinal issues. Seizures were only observed in individuals with variants in or near the HECT domain. Conclusion We provide a comprehensive review and expansion of the genotypic and phenotypic spectrum of HECW2 disorders, aiding future molecular and clinical diagnosis and management. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | info:eu-repo/semantics/altIdentifier/pmid/34321324; hal-03998194; https://hal.science/hal-03998194Test; https://hal.science/hal-03998194/documentTest; https://hal.science/hal-03998194/file/HECW2_main_Tables_updated.pdfTest; PUBMED: 34321324 |
| DOI: | 10.1136/jmedgenet-2021-107871 |
| الإتاحة: | https://doi.org/10.1136/jmedgenet-2021-107871Test https://hal.science/hal-03998194Test https://hal.science/hal-03998194/documentTest https://hal.science/hal-03998194/file/HECW2_main_Tables_updated.pdfTest |
| حقوق: | info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.6756CD0E |
| قاعدة البيانات: | BASE |
| DOI: | 10.1136/jmedgenet-2021-107871 |
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