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ADDl磷酸化位点错义突变与非贲门胃癌易感性的关联研究 被引量:1

A missense SNP in the codon of ADD1 phosphorylation site associated with non-cardia gastric cancer
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摘要 目的探讨ADDl磷酸化位点错义突变与中国人群非贲门胃癌的易感性。方法结合蛋白磷酸化位点数据库(PhosphoSitePlus)和SNP数据库(dbSNP),筛选出ADDl基因磷酸化位点错义突变,通过TaqMan分型方法检测1998例非贲门胃癌病例和2008例正常对照中错义突变的基因型。采用Logistic回归模型分析各基因型患者非贲门胃癌的发病风险。结果找到了位于ADDl第586位磷酸化位点密码子上的错义突变rs4963。对照组中CC、CG和GG基因型频率分别为25.2%、50.4%和24.4%,病例组分别为20.1%、50.6%和29.3%,两组差异有统计学意义(P〈0.001)。与rs4963CC基因型相比,CG基因型和GG基因型非贲门胃癌的发病风险显著升高(OR=1.24,95%C/为1.06~1.46,P=0.008;OR=1.49,95%C/为1.25~1.78,P〈0.001)。结论ADDl基因的磷酸化位点错义突变rs4963可能是非贲门胃癌的遗传易感因素。
出处 《中华肿瘤杂志》 CAS CSCD 北大核心 2013年第4期311-314,共4页 Chinese Journal of Oncology
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