Acral Peeling Skin Syndrome: A Clinically and Genetically Heterogeneous Disorder

Abstract:  Acral peeling skin syndrome (APSS) is a rare, autosomal, recessive genodermatosis characterized by painless spontaneous exfoliation of the skin of the hands and feet at a subcorneal or intracorneal level. It usually presents at birth or appears later in childhood or early adulthood. Some cases result from mutations in the TGM5 gene that encodes transglutaminase 5, which has an important role in cross-linking cornified cell envelope proteins. We report a new APSS pedigree from Jordan that contains at least 10 affected family members, although sequencing of the TGM5 gene ...

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