• YUNJI LENG

      Articles written in Journal of Genetics

    • A missense mutation of HOXA13 underlies hand-foot-genital syndrome in a Chinese family

      LIHUA CAO CHEN CHEN YUNJI LENG LULU YAN SHUSEN WANG XUE ZHANG YANG LUO

      More Details Abstract Fulltext PDF

      Hand-foot-genital syndrome (HFGS) is a rare autosomal dominant inherited syndrome characterized by limb malformations and urogenital defects. HFGS is caused by mutations in the HOXA13 gene. The aim of this study was to identifycausative mutations in individuals and to explore the molecular pathogenesis in a Chinese family with HFGS. We performed Sanger sequencing and identified a recurrent missense mutation in the homeodomain (c.1123G>T, p.V375F) of HOXA13, molecular modelling predicted the mutation would affect DNA binding, and a luciferase reporter assay indicated that it impaired the ability ofHOXA13 to activate transcription of the human EPHA7 promoter. This is the first report of the molecular basis for HFGS caused by missense mutations of HOXA13.

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