北京大学学报(医学版) ›› 2015, Vol. 47 ›› Issue (6): 905-909. doi: 10.3969/j.issn.1671167X.2015.06.003

• 论著 • 上一篇    下一篇

CMTM5基因rs723840单核苷酸多态性与阿司匹林治疗下血小板高反应性的相关性研究

刘滕飞,张婧薇,陈夏欢,冯雪茹,柏中胜,刘梅林△   

  1. (北京大学第一医院老年内科,北京100034)
  • 出版日期:2015-12-18 发布日期:2015-12-18
  • 通讯作者: 刘梅林 E-mail:meilinliu@yahoo.com
  • 基金资助:

    国家国际科技合作专项项目(2013DFA30860)资助

Association between CMTM5 gene rs723840 single nucleotide polymorphism and high on asprin platelet reactivity

LIU Teng-fei, ZHANG Jing-wei, CHEN Xia-huan, FENG Xue-ru, BAI Zhong-sheng, LIU Mei-lin△   

  1. (Department of Geriatrics, Peking University First Hospital, Beijing 100034, China)
  • Online:2015-12-18 Published:2015-12-18
  • Contact: LIU Mei-lin E-mail:meilinliu@yahoo.com
  • Supported by:

    Supported by the International Science & Technology Cooperation Projects of China (2013DFA30860)

摘要:

目的:探讨趋化素样因子超家族成员5(CKLF-like MARVEL transmembrane member 5,CMTM5)基因rs723840单核苷酸多态性与阿司匹林治疗下血小板高反应性的相关关系。方法:采用临床单组观察试验研究设计方法,共入选210例北京大学第一医院老年内科住院患者,采用光学比浊法测定0.5 g/L花生四烯酸(arachidonic acid,AA)诱导的血小板聚集率(platelet aggregation ratio,PR),阿司匹林治疗下血小板高反应性(high on aspirin platelet reactivity,HAPR)定义为PR≥3/4 PR界值。将入选患者按照PR分为HAPR组和非血小板高反应性组(No-HAPR)。采用焦磷酸测序法测定CMTM5基因rs723840单核苷酸多态性在HAPR组和No-HAPR组的基因型及等位基因分布频率,采用卡方检验统计分析基因型与等位基因在两组间的差异。结果:CMTM5基因rs723840多态在两组间基因型分布频率皆符合Hardy-Weinberg平衡定律,3种基因型(CC型、CT型和TT型)分布频率在HAPR组和No-HAPR组分别为48.4%、51.6%、0.0%和73.7%、22.9%、0.034%, 3种基因型在两组间分布频率差异存在统计学意义(P=0.004),C、T等位基因分布频率在两组间差异亦有统计学意义(P=0.031,OR=2.002,95% CI:1.056~3.793)。Logistic回归校正了年龄、性别、体重指数、吸烟、高血压、糖尿病及高脂血症等冠心病易患因素后,CMTM5基因rs723840单核苷酸多态性仍与冠心病患者HAPR的发生存在显著相关性。结论:CMTM5基因单核苷酸多态位点rs723840与冠心病患者血小板高反应性发生存在显著相关性。

关键词: 血小板聚集, CMTM5, 多态性, 单核苷酸, 阿司匹林

Abstract:

Objective: To elucidate the correlation between the single nucleotide polymorphism of CKLF-like MARVEL transmembrane member 5 (CMTM5) gene rs723840 and the occurrence of high on aspirin platelet reactivity (HAPR). Methods:The present study is a case-control study. A total of 210 hospitalized patients in Peking University First Hospital were enrolled. Aspirin response was assessed by 0.5 g/L arachidonic acid (AA)-induced platelet aggregation ratio (PR), and ≥3/4 quartile of PR of the population was defined as HAPR. Accordingly all the enrolled 210 coronary artery diseases (CAD) patients were divided into HAPR group and No-HAPR group. The genotypes were determined by polymerase chain reaction (PCR) and sequencing analysis for rs723840 of CMTM5 gene. Results:The genotype frequencies in rs723840 C>T of CMTM5 gene conformed well to the Hardy-Weinberg equilibrium in both HAPR group and No-HAPR group. Between the two groups, the genotypes frequencies in HAPR and No-HAPR groups were 48.4%, 51.6%, 0.0% and 73.7%, 22.9%, 0.034%, respectively (P=0.004). The C, T allele frequencies were significantly different in the two groups (P=0.031,OR=0.501, 95%CI: 0.264-0.947). Conclusion:Our study finds a significant correlation between CMTM5 gene rs723840 polymorphism and high on aspirin platelet reactivity.

Key words: Platelet aggregation, CMTM5, Polymorphism, single nucleotide, Aspirin

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