Clinical and molecular characterization of BSCL2 mutations in a taiwanese cohort with hereditary neuropathy

Cheng Tsung Hsiao, Pei Chien Tsai, Chou Ching Lin, Yo Tsen Liu, Yen Hua Huang, Yi Chu Liao, Han Wei Huang, Kon Ping Lin, Bing Wen Soong, Yi Chung Lee

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

Background: A small group of patients with inherited neuropathy that has been shown to be caused by mutations in the BSCL2 gene. However, little information is available about the role of BSCL2 mutations in inherited neuropathies in Taiwan. Methodology and Principal Findings: Utilizing targeted sequencing, 76 patients with molecularly unassigned Charcot-Marie-Tooth disease type 2 (CMT2) and 8 with distal hereditary motor neuropathy (dHMN), who were selected from 348 unrelated patients with inherited neuropathies, were screened for mutations in the coding regions of BSCL2. Two heterozygous BSCL2 mutations, p.S90L and p.R96H, were identified, of which the p.R96H mutation is novel. The p.S90L was identified in a pedigree with CMT2 while the p.R96H was identified in a patient with apparently sporadic dHMN. In vitro studies demonstrated that the p.R96H mutation results in a remarkably low seipin expression and reduced cell viability. Conclusion: BSCL2 mutations account for a small number of patients with inherited neuropathies in Taiwan. The p.R96H mutation is associated with dHMN. This study expands the molecular spectrum of BSCL2 mutations and also emphasizes the pathogenic role of BSCL2 mutations in molecularly unassigned hereditary neuropathies.

原文English
文章編號e0147677
期刊PloS one
11
發行號1
DOIs
出版狀態Published - 2016 一月 1

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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