BMC Cancer:雌激素或影响汉族男性结直肠癌风险

2012-07-11 魏冬 医学论坛网

 《BMC癌症》(BMC Cancer)杂志近期发表的一项研究提示,内源性雌激素和雌激素受体β(ESR2)基因变异可能分别或更有可能共同影响中国汉族男性的结直肠癌(CRC)风险。   该研究在汉族男性人群中纳入了390例CRC患者和445例健康对照者,进行病例对照研究。   研究对ESR2基因单核苷酸多态性(SNP)位点rs1256049和rs4986938进行了基因分型,并采用化学

 《BMC癌症》(BMC Cancer)杂志近期发表的一项研究提示,内源性雌激素和雌激素受体β(ESR2)基因变异可能分别或更有可能共同影响中国汉族男性的结直肠癌(CRC)风险。   该研究在汉族男性人群中纳入了390例CRC患者和445例健康对照者,进行病例对照研究。   研究对ESR2基因单核苷酸多态性(SNP)位点rs1256049和rs4986938进行了基因分型,并采用化学发光免疫法检测了血清雌二醇浓度。   多变量logistic回归模型被用于评估上述变量与CRC风险的相关性。   结果显示,ESR2 rs1256049 CT/TT基因型与CRC风险降低有关,而rs4986938 CT/TT基因型与CRC风险升高有关。   此外,CRC风险随这2个SNP位点风险基因型数目的增多而升高。   尤其是同时携带2种SNP位点风险基因型者CRC风险最高。   另外,血清雌二醇浓度与CRC风险有关。   但是,与同时出现rs4986938 CC基因型和血清雌二醇低水平者相比,同时出现rs4986938 CT/TT基因型和血清

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    2013-01-29 sjq027
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