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Lookup NU author(s): Dr Victor Ruiz-Perez,
Professor Tom Strachan
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Darier disease (DD) is an autosomal-dominant skin disorder characterized by loss of adhesion between epidermal cells (acantholysis) and abnormal keratinization. Recently we constructed a 2.4-Mb, Pi-derived artificial chromosome contig spanning the DD candidate region on chromosome 12q23-24.1. After screening several genes that mapped to this region, we identified mutations in the ATP2A2 gene, which encodes the sarco/endoplasmic reticulum Ca2+-ATPase type 2 isoform (SERCA2) and is highly expressed in keratinocytes. Thirteen mutations were identified, including frameshift deletions. in-frame deletions or insertions, splice-site mutations and non-conservative missense mutations in functional domains. Our results demonstrate that mutations in ATP2A2 cause DD and disclose a role for this pump in a Ca2+-signalling pathway regulating cell-to-cell adhesion and differentiation of the epidermis.
Author(s): Strachan T; Ruiz-Perez V; Sakuntabhai A; Carter S; Jacobsen N; Burge S; Monk S; Smith M; Munro CS; O'Donovan M; Craddock N; Kucherlapati R; Rees JL; Owen M; Lathrop GM; Monaco AP; Hovnanian A
Publication type: Article
Publication status: Published
Journal: Nature Genetics
Print publication date: 01/03/1999
ISSN (print): 1061-4036
ISSN (electronic): 1546-1718
Publisher: Nature Publishing Group
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