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GSTM1、GSTT1基因多态性与广西壮族结直肠癌易感性的关系 被引量:1

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摘要 目的:了解广西壮族代谢酶基因GSTM1、GSTT1多态性与结直肠癌遗传易感性之间的相关性。方法:采用PCR技术,检测广西壮族结直肠癌患者130例和健康人100例的GSTM1、GSTT1基因缺失的分布频率,以非条件性Logistic回归模型分别对年龄、性别、吸烟、饮酒状况进行校正后计算优势比(OR)及95%CI。结果:在结直肠癌组和健康对照组,GSTM1(-)基因型频率分别为为45.4%、42.0%,GSTT1(-)基因型频率分别为51.5%、48.0%,两组比较,差异无统计学意义(χ2=0.263,P=0.620;χ2=0.281,,P=0.572)。按照性别、年龄、吸烟、饮酒状况校正后,这种差异性仍然无统计学意义(χ2=0.267,P=0.615;χ2=0.290,P=0.564)。进一步联合分析提示:与同时携带GSTM1(+)和GSTT1(+)的个体比较,同时携带GSTM1(-)和GSTT1(-)的个体患结直肠癌的OR为0.896(95%CI=0.60~1.52),差异无统计学意义(P=0.75)。按照性别、年龄、吸烟、饮酒状况校正后,这种差异性仍然无统计学意义(ORa=0.902,95%CI=0.58~1.49,Pa=0.78)。结论:广西壮族GSTM1与GSTT1基因多态性与结直肠癌易感性可能没有相关性。
出处 《广西医科大学学报》 CAS 2012年第1期106-108,共3页 Journal of Guangxi Medical University
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