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Novel mutations of the ATP2A2 gene in two families with Darier’s disease


Darier’s disease (DD) is an autosomal dominant genodermatology. Mutations in the ATP2A2 gene encoding sarco-endoplasmic reticulum calcium pumping ATPase type 2 (SERCA2) have been identified as the molecular basis of DD. The aim of this study was to report two Chinese pedigree of DD and to explore the genetic mutations. Polymerase chain reaction was carried out to amplify the exons and flanking intron boundaries of the ATP2A2 gene followed by direct sequencing. Two novel missense mutations were identified, a change of C203 to A (A68E) in exon 3 was found in one family and a change of C2759 to T (S920F) in exon 19 in the other, which were located within the transmembrane domain of SERCA2, highly conserved during evolution. The A68E and S920F mutations might be regarded as the causes of the disease in two Chinese families, but these were not tested functionally. Additional functional experiments are necessary to verify the relevance and suitability of these findings for future use in genetic counseling and prenatal diagnosis.

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The authors thank all patients and their families for their support and interest in our work.

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Correspondence to Bing-Jun Shi.

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Shi, BJ., Feng, J., Ma, CC. et al. Novel mutations of the ATP2A2 gene in two families with Darier’s disease. Arch Dermatol Res 301, 27–30 (2009).

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  • Darier’s disease
  • ATP2A2
  • Mutation