Article (Scientific journals)
VPS51 biallelic variants cause microcephaly with brain malformations: A confirmatory report
Uwineza, A.; CABERG, Jean-Hubert; Hitayezu, J. et al.
2019In European Journal of Medical Genetics, 62 (8)
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Keywords :
EARP; Endosomes; GARP; Golgi; Golgipathies; Neurodevelopmental disorders; Postnatal microcephaly; Rwanda; VPS51; Article; Dandy Walker syndrome
Abstract :
[en] Whole exome sequencing undertaken in two siblings with delayed psychomotor development, absent speech, severe intellectual disability and postnatal microcephaly, with brain malformations consisting of cerebellar atrophy in the eldest affected and hypoplastic corpus callosum in the younger sister; revealed a homozygous intragenic deletion in VPS51, which encodes the vacuolar protein sorting-associated protein, one the four subunits of the Golgi-associated retrograde protein (GARP) and endosome-associated recycling protein (EARP) complexes that promotes the fusion of endosome-derived vesicles with the trans-Golgi network (GARP) and recycling endosomes (EARP). This observation supports a pathogenic effect of VPS51 variants, which has only been reported previously once, in a single child with microcephaly. It confirms the key role of membrane trafficking in normal brain development and homeostasis. © 2019 Elsevier Masson SAS
Disciplines :
Genetics & genetic processes
Author, co-author :
Uwineza, A.;  Center for Human Genetics, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda
CABERG, Jean-Hubert ;  Centre Hospitalier Universitaire de Liège - CHU > Unilab > Unité de laboratoire - neurogénétique
Hitayezu, J.;  Center for Human Genetics, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda
Wenric, Stéphane ;  GIGA-Research, Human Genetics Unit, University of Liege, Liege, Belgium
Mutesa, L.;  Center for Human Genetics, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda
Vial, Y.;  Department of Genetics, AP HP - Robert Debré University Hospital, Paris, France, PROTECT, INSERM UMR1141, Université de Paris, Paris, France
Drunat, S.;  Department of Genetics, AP HP - Robert Debré University Hospital, Paris, France, PROTECT, INSERM UMR1141, Université de Paris, Paris, France
Passemard, S.;  Department of Genetics, AP HP - Robert Debré University Hospital, Paris, France, PROTECT, INSERM UMR1141, Université de Paris, Paris, France
Verloes, A.;  Department of Genetics, AP HP - Robert Debré University Hospital, Paris, France, PROTECT, INSERM UMR1141, Université de Paris, Paris, France
El Ghouzzi, V.;  PROTECT, INSERM UMR1141, Université de Paris, Paris, France
Bours, Vincent ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Génétique humaine
Language :
English
Title :
VPS51 biallelic variants cause microcephaly with brain malformations: A confirmatory report
Publication date :
2019
Journal title :
European Journal of Medical Genetics
ISSN :
1769-7212
eISSN :
1878-0849
Publisher :
Elsevier Masson SAS
Volume :
62
Issue :
8
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Chung Hua University [TW]
Available on ORBi :
since 08 January 2020

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