Factor V Leiden mutation in one family of Chinese origin

Jingsheng S. Wu, Jianmin M. Gu, Jun Xu, Jian Wang, Ziming M. Sun, M. D. Smirnov, J. H. Morrissey, N. Esmon

Research output: Contribution to journalArticlepeer-review

Abstract

Objective To investigate the factor V Leiden mutation associated with activated protein C resistance (APCR) in Chinese. Methods Thirty "normal" individuals and twenty patients with thrombotic disease from Chinese Han Nationality were studied with APTT±APC, PCR followed by MnLI restriction enzyme analysis, PCR based direct sequence-specific primers (PCR-SSP) and DNA sequence analysis. Results In one healthy control, the activated protein C (APC) sensitivity ratio (SR) was found to be significantly lower (0.8) than that in other normal control (>2.0) . This individual was identified to be heterozygous for FV Leiden mutaiton (Arg506-Gln). His grand-uncle, father, brother and son were also identified to be heterozygous for FV Leiden. The APC resistance was found in 3 other cases of thrombotice diseases, but with no FV Leiden mutation. Conclusion This is the first four generations family case of FV Leiden mutation associated with APCR reported within Chinese ethnic population. It is note-worthy that more FV Leiden or whether other gene defects may be associated with APC resistance and acquired APCR causing thrombosis in Chinese population.

Original languageEnglish (US)
Pages (from-to)379-381
Number of pages3
JournalChinese medical journal
Volume114
Issue number4
StatePublished - Apr 1 2001

Keywords

  • APC resistance
  • FV Leiden gene mutation
  • Heterozygous

ASJC Scopus subject areas

  • Medicine(all)

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