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作 者:安尼瓦尔·阿不里孜[1] 袁山[1] 马依彤[1] 谢翔[1] 杨毅宁[1] 付真彦[1] 马翔[1] 李晓梅[1] 刘芬[1] 陈邦党[1]
机构地区:[1]新疆医科大学第一附属医院心脏中心,乌鲁木齐830054
出 处:《中华医学杂志》2011年第40期2837-2840,共4页National Medical Journal of China
基 金:新疆自治区重大科技专项课题(200733146-3)
摘 要:目的研究载脂蛋白A5(apolipoprotein A5,ApoA5)c.553G〉T多态性在新疆维吾尔族(维族)及汉族人群的分布特征及与血脂的关系。方法采用聚合酶链反应-限制性片段多态性(PCR—RFLP)方法,对406例维族和527例汉族健康体检者ApoA5基因c.553G〉T多态性进行检测。结果ApoA5基因c.553G〉T的3种基因型在维族组的分布频率分别为:GG型378例(93.1%),GT型27例(6.7%),TT型1例(0.25%);在汉族组的分布频率分别为:GG型478例(90.7%),GT型49例(9.3%),TT型无,两组基因型分布差异无统计学意义(P〉0.05)。维族组及汉族组中,T等位基因携带者(TT+GT基因型)较GG型的甘油三酯(TG)水平高[维族:(2.24±1.13)mmol/L比(1.69±1.12)mmol/L;汉族:(2.41±1.38)mmol/L比(1.69±1.40)mmol/L,P〈0.01]。Logistics回归分析校正了性别、年龄、吸烟饮酒史、BMI、血压、血脂等影响因素后,在维、汉两组T等位基因携带者较GG型患高甘油三酯血症的风险仍有明显增高(维族组:OR3.31,95%C/1.31~8.36;汉族组:OR3.98,95%C/1.81~8.74)。结论ApoA5基因c.553G〉T多态性分布频率在新疆维、汉民族之间没有差异,该多态性与血清TG水平有关,T等位基因是高甘油三酯血症的一个危险因素。Objective To explore the distribution characteristics of apolipoprotein A5 ( ApoA5 ) gene c. 553G 〉 T polymorphism and the relationship of serum lipid in Chinese Han and Uighur populations in Xinjiang, China. Methods The genotypes of ApoA5 gene c. 553G 〉 T polymorphism were detected in 406 Uighur and 527 Han people by polymerase chain reaction and restriction fragment length polymorphism (PCR-RFLP). Results The frequencies of GG, GT and TT genotypes of ApoA5 gene e. 553G 〉 T were 378 (93.1%), 27(6.7% ) and 1 (0. 25% ) patients in Uighurs versus 478 (90.7%) patients, 49(9. 3% ) patients and 0% in Hans. There was no significant difference in the distribution of genotypes between two groups( P 〉 0. 05 ). In both groups, individuals with T allele( TT + GT genotype) had a higher level of serum triglyeeride than those with GG genotype. After adjusting for gender, age, smoking, alcoholism, body mass index, blood pressure and blood lipid, non-conditional logistic regression analyses revealed that individuals with T allele( TT + GT genotype)in both groups had an elevated risk of HTG versus the GG genotype( OR = 3.31,95% CI: 1.31 -8. 36 in Uighurs vs OR =3.98, 95% CI: 1.81 -8. 74 in Hans). Conclusion The mutation of c. 553G 〉 T polymorphism of ApoA5 gene is associated with the level of serum triglyceride in Uighur and Han populations of Xinjiang. And T allele may be a risk factor of hypertriglyceridemia.
关 键 词:载脂蛋白A 多态性 单核苷酸 维吾尔族 汉族 血脂
分 类 号:R394[医药卫生—医学遗传学]
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