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FⅫ基因多态性对静脉血栓形成患者抗凝功能的影响及意义 被引量:2

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摘要 目的:探讨静脉血栓形成患者凝血因子Ⅻ(FⅫ)基因多态性对其机体内抗凝状态及狼疮样抗凝物质(LA)的影响及临床意义。方法:采用直接测序法检测75例静脉血栓形成患者及60例正常对照人群的FⅫ基因启动区第46位碱基多态性,并采用一期凝固法、发色底物法及血浆蝰蛇毒时间法分别测定上述研究对象的血浆凝血因子Ⅻ活性(FⅫ:C)、抗凝血酶活性(AT:A)、蛋白C活性(PC:A)及血浆LA比值(LAC)等各项指标。结果:静脉血栓形成患者FⅫ基因多态性46TT型较正常对照组比例增高,通过基因型单因素分析,TT基因型危险性约为46CC+CT基因型的2.2倍(P<0.05)。静脉血栓形成患者46TT型的FⅫ:C、AT:A明显低于其他基因型及正常对照组(P<0.05),而46CT、46CC基因型与正常对照组之间差异无统计学意义。静脉血栓形成患者FⅫ各基因型LAC明显高于正常对照组(P<0.05),但各基因型之间LAC变化无统计学差异(P>0.05)。结论:静脉血栓形成患者FⅫ46TT基因型增多,且46TT基因型是患者抗凝血酶活性明显消耗性下降的潜在因素,对FⅫ46TT基因型患者及时监测抗凝功能有一定的临床意义。
出处 《实用医学杂志》 CAS 北大核心 2011年第10期1874-1876,共3页 The Journal of Practical Medicine
基金 温州市科技局资助项目(编号:Y20070073)
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参考文献10

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