| 袁山,马依彤,谢翔,杨毅宁,付真彦,马翔,李晓梅,刘芬,陈邦党.载脂蛋白A5 c.553G>T基因多态性与新疆汉族人群冠心病相关性研究[J].Chinese journal of Epidemiology,2011,32(1):51-54 |
| 载脂蛋白A5 c.553G>T基因多态性与新疆汉族人群冠心病相关性研究 |
| Association between apolipoprotein A5 gene polymorphism and coronary heart disease in the Han population from Xinjiang |
| Received:May 13, 2010 |
| DOI： |
| KeyWord: 冠心病 载脂蛋白A5 血脂 基因多态性 |
| English Key Word: Coronary heart disease Apolipoprotein A5 Serum lipids Gene polymorphism |
| FundProject:新疆维吾尔自治区重大科技专项课题(200733146-3) |
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| Abstract: |
| 目的 研究新疆汉族人群载脂蛋白A5(ApoA5)c.553G>T多态性与冠心病及血脂水平的相关性。方法 采用聚合酶链反应-限制性片段长度多态性方法，检测486例冠心病患者和501例对照的ApoA5 c.553G>T多态性，同时测定血脂水平。结果 ApoA5 c.553G>T的不同基因型在冠心病组和对照组分布频率的差异具有统计学意义(χ2=8.757，P=0.013)。通过非条件logistic回归校正年龄、性别、吸烟史、血脂、高血压和糖尿病史等影响因素后，T等位基因携带者(TT+GT基因型)的个体患冠心病的风险是GG型的1.753倍(OR=1.753，95%CI：1.030～2.983，P<0.05)。冠心病组和对照组c.553G>T基因型亚组间甘油三酯(TG)水平的差异有统计学意义(t=-5.242，P<0.01；t=-3.499，P=0.001)，T等位基因携带者较GG型有更高的TG水平；冠心病组T等位基因携带者较GG型有更高的胆固醇(TC)水平(t=-2.465，P=0.014)。结论 ApoA5c.553G>T多态性对新疆汉族人群血清TG、TC水平有影响，且与冠心病的发生有一定相关性，T等位基因可能是冠心病的一个危险因素。 |
| English Abstract: |
| Objective The aim is to investigate the association between coronary heart disease (CHD) and c.553G>T polymorphism of apolipoprotein A5 (ApoA5) gene and the influence of serum lipid level in the Hah ethnic population of Xinjiang. Methods The polymorphism of ApoA5 gene in 486 patients with CHD and 501 controls was analyzed by methods of polymerase chain reaction and restriction fragment length polymorphism analysis. Level of serum lipid in each patient was detected at the same time. Results There was significant difference in the distribution of genotypes between CHD group and controls group (χ2=8.757, P=0.013). Non-conditioned logistic regression analyses, after adjusted for age, gender, smoking, total serum cholesterol, presence of hypertension and diabetes, revealed that individuals who carried T allele (TT + GT genotype) had an increased risk of CHD, compared to GG genotype (OR=1.753, 95%CI: 1.030-2.983, P<0.05). There was also a remarkable difference noticed in the level of serum triglyceride by genotypes in CHD group and control group (t=5.242, P<0.01; t=-3.499, P=0.001). Individuals in the two groups who carried T allele had higher level of serum triglyceride than those carried GG genotype. Individuals in CHD group who carried T allele had higher level of serum total cholesterol than those carried GG genotype (t=-2.465, P=0.014). Conclusion It seemed that the c.553G>T polymorphism of ApoA5 gene had influenced on the level of serum triglyceride and the total cholesterol among Han population in Xinjiang. c.553G>T polymorphism was associated with the development of CHD, while T allele might be an influencing risk factor on CHD. |
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