Integrin β4 mutations associated with junctional epidermolysis bullosa with pyloric atresia
- 1 June 1995
- journal article
- case report
- Published by Springer Science and Business Media LLC in Nature Genetics
- Vol. 10 (2), 229-234
- https://doi.org/10.1038/ng0695-229
Abstract
Pyloric atresia associated with junctional epidermolysis bullosa (PA-JEB), is a rare inherited disorder characterized by pyloric stenosis and blistering of the skin as primary manifestations. We demonstrate that in one PA-JEB patient the disease resulted from two distinct mutations in the beta 4 integrin gene alleles. The paternal mutation consists of a one base pair deletion causing a shift in the open reading frame, and a downstream premature termination codon. The maternal mutation occurs in a donor splice site, and results in in-frame exon skipping involving the cytoplasmic domain of the polypeptide. Our results implicate mutations in the beta 4 integrin gene in some forms of PA-JEB.Keywords
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