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      2. west china medical publishers
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        find Keyword "XRCC1" 1 results
        • Analysis of Association Between The Polymorphisms of DNA Repair Gene XRCC1 and Susceptibility to Colorectal Cancer

          目的探討DNA損傷修復基因XRCC1 Arg194Trp位點多態性與結直腸癌易感性的關系。 方法選取120例結直腸癌患者與120例正常對照者進行對比研究。取外周血提取DNA,采用限制性片段長度多態性聚合酶鏈反應(PCR-RFLP)技術對XRCC1 Arg194Trp基因多態性進行檢測分析,比較不同基因型與結直腸癌易感性的關系。 結果2組觀察對象在年齡、性別、吸煙、飲酒、飲食特點等常見暴露因素方面的差異均無統計學意義(P>0.05),變異基因型Arg/Trp+Trp/Trp出現頻率在2組觀察對象中分別為30.00%和24.17%,差異無統計學意義(P>0.05)。 結論XRCC1 Arg194Trp位點多態性與結直腸癌的易感性并無顯著相關性。

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          2. 射丝袜