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Identification of two novel Darier diseaseassociated mutations in the ATP2A2 gene

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Darier disease (DD) is an autosomal dominant inherited skin disorder, characterized by abnormal keratinization, loss of adhesion between epidermal cells, termed acantholysis, and the development of warty papules and plaques on the central trunk, forehead, scalp and flexures. These symptoms are often exacerbated by heat, sweating, sunburn and stress. Mutations in the ATP2A2 gene, encoding SERCA2, a calcium pump of the sarco/endoplasmic reticulum, are responsible for the disease. The aim of the present study was to investigate two pedigrees of DD and to examine the genetic mutations. DNA was extracted from peripheral blood, which was obtained from four patients with DD, 10 healthy individuals from the two families and 100 ethnicitymatched control individuals, on which subsequent polymerase chain reaction amplification and direct automated DNA sequencing were performed. The results identified two novel missense mutations, p.R603I and p.G749 V. These mutations were not identified in the remaining ten healthy individuals in the same families or in any of the 100 controls. These mutations may contribute to the expanding database of ATP2A2 gene mutations in patients with DD.
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Document Type: Research Article

Affiliations: 1: Department of Dermatology, Fuzhou Dermatology Hospital, Fuzhou, Fujian 350025, P.R. China 2: Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China

Publication date: August 1, 2015

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  • Molecular Medicine Reports is a monthly, peer-reviewed journal available in print and online, that includes studies devoted to molecular medicine, underscoring aspects including pharmacology, pathology, genetics, neurosciences, infectious diseases, molecular cardiology and molecular surgery. In vitro and in vivo studies of experimental model systems pertaining to the mechanisms of a variety of diseases offer researchers the necessary tools and knowledge with which to aid the diagnosis and treatment of human diseases.
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