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Lookup NU author(s): Catriona Munro, Professor Tom Strachan
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Hailey-Hailey disease is an autosomal dorminant skin disorder characterized by suprabasal cell separation (acantholysis) of the epidermis. Mutations in ATP2C1, the gene encoding a novel, P-type Ca2+-transport ATPase, were recently found to cause Hailey-Hailey disease. In this study, we used conformation-sensitive gel electrophoresis to screen all 28 translated exons of ATP2C1 in 24 Hailey-Hailey disease families and three sporadic cases with the disorder. We identified 22 different mutations, 18 of which have not previously been reported, in 25 probands. The novel mutations comprise three nonsense, six insertion/deletion, three splice-site, and six missense mutations and are distributed throughout the ATP2C1 gene. Six mutations were found in multiple families investigated here or in our previous study. Haplotype analysis revealed that two of these are recurrent mutations that have riot been inherited from a common ancestor. Comparison between genotype and phenotype in 23 families failed to yield any clear correlation between the nature of the mutation and clinical features of Hailey-Hailey disease. The extensive interfamilial and intrafamilial phenotypic variability observed suggests that modifying genes and/or environmental factors may greatly influence the clinical features of this disease.
Author(s): Strachan T; Munro CS; Dobson-Stone C; Fairclough RE; Dunne E; Brown J; Dissanayake M; Burge S; Sudbrak R; Monaco AP; Hofnanian A
Publication type: Article
Publication status: Published
Journal: Journal of Investigative Dermatology
Year: 2002
Volume: 118
Issue: 2
Pages: 338-343
ISSN (print): 0022-202X
ISSN (electronic): 1523-1747
Publisher: Nature Publishing Group
URL: http://dx.doi.org/10.1046/j.0022-202x.2001.01675.x
DOI: 10.1046/j.0022-202x.2001.01675.x
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