东北地区GLIS3基因多态性与2型糖尿病合并视网膜病变的关联性研究
2017-10-12庄晓彤陆美子于秀玲徐丽
庄晓彤,陆美子,于秀玲,徐丽
(沈阳市第四人民医院眼科 ,沈阳 110031)
东北地区GLIS3基因多态性与2型糖尿病合并视网膜病变的关联性研究
庄晓彤,陆美子,于秀玲,徐丽
(沈阳市第四人民医院眼科 ,沈阳 110031)
目的探讨GLIS3基因多态性与中国东北地区2型糖尿病合并视网膜病变的相关性。方法采用病例对照研究方法,选取糖尿病合并视网膜病变患者(DR组)、糖尿病未合并视网膜病变患者(DNR组)、健康人群(NC组)各120例为研究对象。应用PCRRFLP方法测定GLIS3基因rs7041847与rs7034200多态的基因分型。用非条件logistic回归计算比值比及95%置信区间。结果DR、DNR组分别与NC组比较,GLIS3基因rs7041847 多态AG、AG/GG基因型、G等位基因患者发病风险显著增加(P < 0.05),rs7034200多态CC、AC/CC基因型、C等位基因患者发病风险显著增加(P < 0.05)。结论在中国东北地区,GLIS3基因rs7041847、rs7034200是2型糖尿病的危险因素,并未发现GLIS3基因与视网膜病变的易感性相关。
2型糖尿病;视网膜病变;GLIS3基因
Abstract ObjectiveTo investigate the correlation between the polymorphisms in GLIS3 and diabetic retinopathy in patients with type 2 diabetes in Northeast China.MethodsBased on the case-control study,polymorphisms in GLIS3 were examined by PCR-RFLP in 120 cases of diabetic retinopathy in patients with type 2 diabetes (DR),120 cases of patients with type 2 diabetes without diabetic retinopathy (DNR),and 120 healthy individuals (NC). The odds ratio (OR) and 95% confidence interval (CI) were calculated using unconditional logistic analysis.ResultsThe results demonstrated that GLIS3 rs7041847 AG,AG/GG genotype,or G allele was associated with an increased risk of DR and DNR (P < 0.05). Moreover,GLIS3 rs7034200 CC,AC/CC genotype,or C allele was associated with an increased risk of DR and DNR (P < 0.05).ConclusionIn the patients in Northeast China,the polymorphisms in GLIS3 rs7041847 and rs7034200 were correlated with type 2 diabetes mellitus,while GLIS3 may not be associated with the susceptibility to diabetic retinopathy.
Keywordstype 2 diabetes mellitus; retinopathy; GLIS3 gene
2型糖尿病(type 2 diabetes mellitus,T2DM)是复杂的代谢紊乱综合征,已成为危害公共健康的流行病问题,据估计其发病率占中国成年人群的11.6%。其中,肥胖、家族遗传、运动缺乏及不良生活习惯为T2DM的主要危险因素[1-2]。糖尿病视网膜病变(diabetic retinopathy,DR)为糖尿病常见的微血管并发症,能导致患者失明[3-4]。环境因素与遗传因素均在糖尿病及DR的发生发展中发挥重要作用[5-6]。GLIS3基因位于人类染色体9p24.2,为锌指蛋白家族成员之一,主要在胰腺、甲状腺及肾脏中表达。有研究[7]表明GLIS3异常表达会增加T2DM的发病风险。另有研究[8]对美国及东亚地区T2DM人群进行全基因组关联分析,发现GLIS3基因多态与糖尿病相关,中国东北地区此基因与DR的相关性尚未见报道。……
