Investigation of steroid sulfatase gene in two pedigrees with X-linked ichthyosis

Abstract

Abstract: Objective To investigate the gene mutation in two pedigrees with X-linked ichthyosis (XLI) and explore the relationship between the mutation and clinical manifestations. Methods Genomic DNA of the affected and normal members of the pedigrees and 50 unrelated normal subjects from different regions was extracted with a whole blood genomic DNA extraction kit for use of the template for PCR amplification of exon 1, exon 2 and exon 10 of the steroid sulfatase (STS) gene. Results The STS gene was partially deleted in the affected members in the pedigrees with XLI, leaving only exon1 but not the other exons. The normal member of the pedigree and 50 unrelated normal subjects had no such deletion. Conclusion Partial deletion of the STS gene exists in the two pedigrees with XLI, which is responsible for pathological skin changes characteristic of XLI.

CLC Number:

Q78
R758.52

LIU An, XIAO Sheng-xiang, TAN Sheng-shun, JIAO Ting, LIU Yan, LI Xiao-li, ZHOU Shao-na. Investigation of steroid sulfatase gene in two pedigrees with X-linked ichthyosis[J]. Journal of Southern Medical University, 2005, 25(08): 1023-1025.

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