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脂联素基因多态性与代谢综合征和血浆脂联素水平的相关性 被引量:7

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摘要 目的研究汉族人脂联素基因SNP+276G/T、SNP+45T/G与代谢综合征(MS)和血浆脂联素(APN)水平的关系。方法采用病例-对照研究方法,选择848例65~92岁汉族老年人,448例MS患者,健康人400例作为正常对照组(NC组),用DNA提取试剂盒提取外周血白细胞DNA,应用PCR-RFLP技术,检测SNP+276G/T、SNP+45T/G基因型,并观察各基因型和等位基因频率在该人群中的分布及其差异。血浆APN水平用ELISA法测定。结果该人群SNP+276和SNP+45位点均检测出三种基因型GG、GT、TT。SNP+276位点MS组GG基因型频率明显高于NC组,TT基因型频率明显低于NC组(P均﹤0.05),两组T、G等位基因频率亦有显著差异(P﹤0.05)。SNP+45位点两组基因型频率和等位基因频率均无统计学意义(P﹥0.05)。MS组血浆APN水平显著低于NC组(P﹤0.05),女性血浆APN水平明显高于男性(P﹤0.05)。SNP+45位点中TT基因型的APN水平显著低于非TT基因型(P﹤0.05)。结论 APN基因+276G/T多态性可能是汉族人MS的易感因素,而APN基因+45T/G多态性可能与MS无关;高血浆APN水平可能是MS发病的一个保护性因素;SNP+45T/G可能与脂联素水平相关。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第13期3579-3582,共4页 Chinese Journal of Gerontology
基金 济南市科技局资助项目(No.200807041)
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