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作 者:周晰溪[1] 李会芳[1] 王玉明[1] 吴于滨[1] 宋滇平[1]
机构地区:[1]昆明医学院第一附属医院糖尿病科,650032
出 处:《中华糖尿病杂志》2011年第3期252-255,共4页CHINESE JOURNAL OF DIABETES MELLITUS
基 金:云南省自然科学基金面上项目(2004C0066M)
摘 要:目的 探讨环氧化酶2基因启动子区-765G/C多态性与昆明地区汉族2型糖尿病患者糖尿病肾病发生、发展的相关性.方法 选取2008年1月至12月昆明医学院第一附属医院糖尿病科收治住院的2型糖尿病患者252例,根据24 h尿白蛋白排泄率或随机尿白蛋白/肌酐比值分至无糖尿病肾病组(n=100)、隐性糖尿病肾病组(n=78)、显性糖尿病肾病组(n=74).运用聚合酶链反应-限制性片段长度多态性方法检测环氧化酶2基因启动子区-765G/C多态性.检测血糖、血脂和其他生化指标.运用χ^2检验比较各组基因型频率和等位基因频率,运用方差分析比较各组相关临床及生化指标,采用logistic回归分析评价影响糖尿病肾病发生、发展的危险因素.结果 两糖尿病肾病组-765GG基因型频率与无糖尿病肾病组存在明显差异(0.901 vs 0.810;χ^2=4.309,P<0.05).糖尿病肾病患者中,-765GG基因型携带者空腹血糖、餐后2 h血糖与非携带者存在明显差异[分别为(7.9±4.0)vs(5.9±1.7)mmol/L,(12±5)vs(9±4)mmol/L;t值分别为0.001、0.020,均P<0.05=.logistic回归分析提示,-765GG基因型是糖尿病肾病发生的独立危险因素之一[比值比(OR)=3.25,95%可信区间(CI)为1.336~7.901].结论 在昆明地区汉族2型糖尿病患者中,环氧化酶2基因启动子区-765GG基因型与糖尿病肾病的发生、发展有关.Objective To determine the possible effect of cyclooxygenase-2 (COX-2) -765G/C polymorphism on the risk of diabetic nephropathy (DN) in patients with type 2 diabetes mellitus (T2DM) in Kunming. Methods A total of 252 T2DM patients from the First Affiliated Hospital of Kunming Medical University between January and December 2008 were assigned to the free-DN group (n=100), microalbuminuria DN group (n=78) and macroalbuminuria DN group (n=74) according to 24-hour urinary albumin excretion ratio(24-h UAER) or spot urinary albumin/creatinine (UACR) ratio. The polymorphism of COX-2 gene -765G/C was detected by PCR-RFLP. The genotypes and allele frequency distributions were compared by using χ^2 test. The related characteristics of investigated objects were compared by analysis of variance. Logistic regression analysis was performed to calculate correlated markers of DN risk. Results In T2DM patients, -765GG genotype was significantly different between microalbuminuria DN﹢macroalbuminuria DN group and free-DN group (0.901 vs 0.810; χ^2=4.309,P〈0.05). In DN patients, the levels of fasting plasma glucose (FPG) and 2-hour plasma glucose (2-h PG) of those with -765GG genotype were higher than those without ((7.9±4.0) vs (5.9±1.7) mmol/L, (12±5) vs (9±4) mmol/L, respectively; t values were 0.001 and 0.020, both P〈0.05). Logistic regression analysis indicated that -765GG genotype (odds ratio (OR)=3.25; 95%confidence interval (CI): 1.336 to 7.901) was risk factor of DN. Conclusion The COX-2 gene promoter -765GG may be associated with DN in Kunming Han individuals with T2DM.
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