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作 者:韩京军[1] 张艳炜[2] 张晶[1] 伍德强 张磊[1] 姚尖平[3]
机构地区:[1]中山大学附属第八医院心胸外科,深圳518033 [2]深圳市疾病预防控制中心分子生物医学检验科,518055 [3]中山大学附属第一医院心脏外科,广州510080
出 处:《中华实验外科杂志》2017年第12期2236-2239,共4页Chinese Journal of Experimental Surgery
基 金:国家自然科学基金(814202755);广东省科学技术厅公益研究和能力建设专项(2014A020212380);深圳市福田区卫生公益性科研项目(FTWS20160030)
摘 要:目的探讨诱导型一氧化氮合酶(iNOS)基因多态性与缺血性心脑血管疾病的关系。方法采用两个独立的病例-对照研究方法,包括291例冠状动脉粥样硬化性心脏病(简称冠心病)患者和487例健康对照,246例缺血性脑卒中患者和246例健康对照。利用Taqman探针荧光定量聚合酶链反应技术检测iNOS rs2779248 C/T、rs1137933 C/T的基因型分布。结果rs2779248和rs1137933 T等位基因可以不同程度增加冠心病和缺血性脑卒中的发病风险。合并2个独立的病例-对照研究后,这种风险关系仍然存在。rs2779248 T等位基因可以增加缺血性心脑血管疾病发病风险,比值比(OR)值为1.33[95%可信区间(CI):1.09~1.61];rs1137933 T等位基因OR值为1.42(95%CI:1.16~1.73)。经校正传统危险因素后,rs2779248 TT基因型仍然是缺血性心脑血管疾病的危险因素,OR值为2.75(95%CI:1.38~5.49);rs1137933 CT+TT基因型可以增加发病风险1.37倍(95%CI:0.03~1.82)。结论iNOS基因rs2779248和rs1137933基因多态性与汉族人群缺血性心脑血管疾病明显相关,突变等位基因和突变基因型可以明显增加发病风险。ObjectiveTo evaluate the association between inducible nitric oxide synthase (iNOS) gene polymorphisms and ischemic cardio-cerebrovascular disease in Chinese Han population.Methods Two independent case-control studies were conformed, including 291 cases of coronary heart disease (CHD) and 487 healthy subjects, 246 cases of ischemic stroke and 246 healthy subjects. The genotype of rs2779248(C/T) and rs1137933(C/T) were determined by Taqman single nucleotide polymorphism (SNP) genotyping assays.Results T allele of rs2779248 and rs1137933 may increase the risk for CHD or ischemic stroke in Chinese Han population. combined with the two independent case-control studies, the risk relationship also existed. T allele had higher risk for ischemic cardio-cerebrovascular disease than C allele with the odds ratio being 1.33 [95% confidence interval (CI): 1.09-1.61] for rs2779234, and 1.42 (95%CI: 1.16-1.73) for rs1137933, respectively. Adjusted by conventional risk factors, rs2779248 TT genotype still was a risk factor for ischemic cardio-cerebrovascular disease [odds ratio (OR)=2.75, 95%CI: 1.38-5.49]. As compared with CC genotype, individual with CT+ TT genotype of rs1137933 had higher risk with the odds ratio being 1.37 (95%CI: 1.03-1.82).ConclusionOur study revealed the polymorphisms of rs2779248 and rs1137933 in iNOS gene were associated with ischemic cardio-cerebrovascular disease in Chinese Han population.
关 键 词:诱导型一氧化氮合酶 缺血性心脑血管疾病 基因多态性 危险因素
分 类 号:R54[医药卫生—心血管疾病] R743[医药卫生—内科学]
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