血管紧张素转换酶基因多态性与纤溶系统的关系(1)
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【摘要】 目的 研究血管紧张素转换酶(ACE)基因多态性与纤溶系统之间的关系。方法 选择冠心病、高血压患者126例和健康对照者66例,分别检测ACE基因及多态性,测定血浆中D-二聚体(dD)、凝血酶原时间(PT)、纤维蛋白原(Fg)、凝血酶时间(TT)、活化部分凝血活酶时间(APTT)各值。结果 ①疾病组dD、Fg、APTT水平明显高于对照组(P<0.05),而PT、TT水平明显低于对照组(P<0.05)。②基因DD型疾病组dD、Fg水平明显高于ID、Ⅱ型组(P<0.05),而PT、TT、APTT水平明显低于ID、Ⅱ型组(P<0.05),差异有统计学意义。③ ACE基因多态性与dD、Fg浓度间显著正相关(r值分别为0.671、0.702,P<0.01);与PT、TT、APTT浓度间存在显著负相关(r=-0.648、-0.683、-0.653,P<0.001)。结论 ACE基因DD型和D等位基因与纤溶系统有关,I等位基因则无关。
【关键词】 血管紧张素转换酶;基因;纤溶系统
The correlation of the angiotersin-converting enzyme gene polymorphism and fibrinolytic System
WANG Jing-ming. Weifang Peoples Hospital,The Affiliated of Weifang Medical College,Weifang261041,China
【Abstract】 Objective To study the relationship of the angiotersin-converting enzyme(ACE)gene polymorphism and fibrinolytic system.Methods ACE gene polymorphism and plasm d-dimer(dD),prothrombin time(PT), fibrinogen(Fg) levels and thrombin time(TT) and activation part thrombin time(APTT) were simultaneously measured in 126 patients with coronary heart diseases or hypertensive and 66 control subjects.The relation ACE gene polymorphism dD,PT,Fg,TT and APTT was explored.Results ① The dD,Fg level and APTT of the patients group were higher than that among the control group(P<0.05),but the PT and TT level was lower(P<0.05).② The dD and Fg level of ACE gene DD genotype group were significant difference than those of ID and Ⅱ genotype group, but the PT,TT andAPTT level were lower(P<0.05).③ACE gene polymorphism were signicantly positive correlation with dD and Fg levels (r=0.671、0.702,P<0.01); negativecorrelation with PT and TT and APTT (r=-0.648、-0.683、-0.653,P<0.01). Conclusion DD genotype and D allele is closely related to Fibrinolytic System,but I allele is not.
【Key words】 Angiotersin-converting enzyme;Gene;Fibrinolytic system
近年来,凝血、纤溶系统与动脉粥样硬化及其引发事件的关系倍受关注,尤其在缺血性心脑血管疾病方面。研究发现血管紧张素转换酶(ACE)基因多态性与心脑血管发病高度相关[1~3],但ACE基因多态性在凝血及纤溶中的作用以及其与纤溶的关系,查新尚未见的报道。因此,我们应用PCR技术和遗传学方法测定了疾病组和对照组的ACE基因多态性,测dD、PT、Fg、TT、APTT各值。旨在探讨ACE基因多态性与纤溶系统之间的关系。
1 资料与方法
1.1 一般资料 疾病组:126例,男76例,女50例,选自2001年1月至2009年10月间住院患者,病例均符合WHO关于冠心病、高血压病的命名和诊断标准,年龄(62.76±8.5)岁﹙52~77岁﹚。其中单一疾病:冠心病22例,高血压20例;合并疾病:冠心病合并高血压者20例,高血压合并冠心病者24例。对照组:选择经病史、体检、实验室检查、X线及心电图检查,排除各类心脑血管疾病、糖尿病和肝肾功能不良者及无高血压病史者66例 ......
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