RFT2基因SNP 1246A>G位点与食管鳞癌易感性的关联研究

Modern Preventive Medicine(2014)

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Abstract
目的 探讨中国北方人群中人核黄素转运蛋白RFT2基因中1246A>G位点单核苷酸多态性(SNP)与食管鳞癌(ESCC)遗传易感性的关系.方法 提取240例食管癌患者和198例正常对照人群全血基因组DNA,扩增目的片段后直接测序,分析RFT2基因的SNP 1246A>G位点的基因型频率及其与食管癌的易感性关系.结果 饮酒史、家族史和体重指数等因素与食管癌发生相关.食管癌组和正常对照组RFT2 SNP 1246A>G位点在基因型A/A (82.9%比72.2%)、A/G和G/G (17.1%比27.8%)的分布频率上差异有统计学意义(x2=7.97,P=0.019).对1246A>G位点分析显示,与A/A相比,A/G和G/G基因型显著降低食管癌发生率(OR=0.53,95%CI:0.34~0.84).结论 RFT2基因功能区SNP1246A>G位点与食管癌的遗传易感性相关.
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Key words
RFT2,Esophageal Squamous Cell Carcinoma,Single Nucleotide Polymorphism
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