昆明地区汉族维生素D受体基因多态性与2型糖尿病的相关性
The Correlation between Vitamin D Receptor Gene Polymorphism and Type 2 Diabetes Mellitus of the Han Nationality in Kunming Region
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摘要: [摘要] 目的 探讨昆明地区汉族人群维生素D受体基因多态性与2型糖尿病的相关性.方法 选取昆明地区汉族2型糖尿病患者(DM组)90例及健康对照(NC组)36例.运用PCR-FRLP技术测定维生素D受体ApaI基因多态性,比较各组基因型及等位基因频率及不同基因型间相关临床资料.结果 (1)2型糖尿病组与正常组间维生素D受体Apal基因存在多态性,2型糖尿病组中C/A基因型分布频率明显高于正常对照组(χ2=53.432,P<0.001);(2)2型糖尿病组的年龄、FPG、LDL-C高于正常对照组,25-OHD3、Ca低于正常对照组(P<0.05);糖尿病组A/A基因型Scr显著高于其他组别,差异有统计学意义(P<0.05);3组基因型间UA均存在统计学差异(P<0.05),且C/A基因型最高;(3)二分类Logistic回归分析结果提示ApaI C/A基因型(OR=1.36, 95%CI: 0.54-1.71)、年龄(OR=1.09,95% CI: 1.03-1.18 )为2型糖尿病的危险因素,而25-OHD3 (OR=0.84,95%CI:0.73~0.93)可能是T2DM的发生的保护因素.结论 (1)昆明地中VDR ApaI位点 C/A基因型与T2DM的发生存在相关性;(3)25-OHD3是T2DM的发生的保护因素,增龄是2型糖尿病的危险因素.
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关键词:
- [关键词]2型糖尿病 /
- 维生素D受体基因 /
- 聚合酶链反应限制性片段长度多态性 /
- 昆明
Abstract: [Abstract]Objective To explore the correlation between vitamin D receptor (VDR) gene polymorphism and type 2 diabetes mellitus of the Han nationality in Kunming region. Methods One-hundred-twenty-six Kunming individuals(90 T2DMs and 36 controls)were enrolled in this randomized controlled trial. rs7975232 single nucleotide polymorphism (SN+J8Ps) of the VDR was tested by using Polymerase chain reaction of restriction fragment length polymorphism(PCR-RFLP), the genotype and its frequencies were compared between the two groups.Results(1)There were statistically significant association in three kinds of genotype of ApaI of VDR gene polymorphism between two groups(P<0.001). The C/A genotype was more common in T2DM patients (62.2% vs 38.9%). (2)Statistic analysis software showed that the frequency of C/A genotype of ApaI was higher than that in the control group(OR=1.36, 95%CI: 0.54-1.71). Whats more, age in T2DM group were also higher than that in the control group(OR= 1.09,95% CI: 1.03-1.18 ). 25OHD3 in T2DM group was lower than that in the control group (OR=0.84,95%CI:0.73-0.93),suggesting that C/A genotype and age are risk factors of T2DM. Meanwhile 25OHD3 may be a preventive factor of T2DM.Conclusions(1)There is a significant correlation between C/A genotype of rs7875232 and the prevalence of T2DM of the Han nationality in Kunming region.(2)25OHD3 is a protective factor of T2DM and the aging is a risk factor of T2DM.
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