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- Title
Mutations in VPS33B, encoding a regulator of SNARE-dependent membrane fusion, cause arthrogryposis-renal dysfunction-cholestasis (ARC) syndrome.
- Authors
Gissen, Paul; Johnson, Colin A.; Morgan, Neil V.; Stapelbroek, Janneke M.; Forshew, Tim; Cooper, Wendy N.; McKiernan, Patrick J.; Klomp, Leo W. J.; Morris, Andrew A. M.; Wraith, James E.; McClean, Patricia; Lynch, Sally A.; Thompson, Richard J.; Lo, Bryan; Quarrell, Oliver W.; Di Rocco, Maja; Trembath, Richard C.; Mandel, Hanna; Wali, S.; Karet, Fiona E.
- Abstract
ARC syndrome (OMIM 208085) is an autosomal recessive multisystem disorder characterized by neurogenic arthrogryposis multiplex congenita, renal tubular dysfunction and neonatal cholestasis with bile duct hypoplasia and low gamma glutamyl transpeptidase (gGT) activity. Platelet dysfunction is common. Affected infants do not thrive and usually die in the first year of life. To elucidate the molecular basis of ARC, we mapped the disease to a 7-cM interval on 15q26.1 and then identified germline mutations in the gene VPS33B in 14 kindreds with ARC. VPS33B encodes a homolog of the class C yeast vacuolar protein sorting gene, Vps33, that contains a Sec1-like domain important in the regulation of vesicle-to-target SNARE complex formation and subsequent membrane fusion.
- Subjects
MULTIPLE organ failure; NONSENSE mutation; ARTHROGRYPOSIS; JOINT diseases; RENAL tubular transport disorders; CHOLESTASIS; EXONS (Genetics)
- Publication
Nature Genetics, 2004, Vol 36, Issue 4, p400
- ISSN
1061-4036
- Publication type
Article
- DOI
10.1038/ng1325