Eight Novel Mutations of the ADAR1 Gene in Chinese Patients with Dyschromatosis Symmetrica Hereditaria.

Abstract:

AIMS:To identify potential novel gene mutations in Chinese patients with dyschromatosis symmetrica hereditaria (DSH). METHODS:We enrolled 8 Chinese patients with familial DSH, 5 Chinese patients with sporadic DSH, and 100 randomly selected healthy individuals in this study. The genome of each participant was extracted from peripheral blood samples. Sanger sequencing of the ADAR1 gene was performed after polymerase chain reaction amplifications. Comparisons between the DNA sequences of the affected individuals and the NCBI database were performed. RESULTS:We detected eight novel heterozygous mutations and five previously reported mutations in the ADAR1 gene in our patients. The novel mutations include c.1934 + 3A>G, c.2749A>G, c.2311insA, c.3233G>A, c.3019 + 1G>T, c.2894C>A, c.1202_1205del, and c.2280C>A. These detected novel mutations are predicted to induce two frame-shift mutations, one nonsense mutation, three missense mutations, and two splice-site mutations. CONCLUSIONS:The findings of this study expand our knowledge of the range of ADAR1 gene mutations in DSH and will contribute to identifying correlations between the various DSH phenotypes and genotypes. Furthermore, they may provide insight into the underlying pathogenic mechanism.

authors

Tang ZL,Wang S,Tu C,Wang T,Ma CW,Liu Y,Xiao SX,Wang XP

doi

10.1089/gtmb.2017.0207

subject

Has Abstract

pub_date

2018-02-01 00:00:00

pages

104-108

issue

2

eissn

1945-0265

issn

1945-0257

journal_volume

22

pub_type

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