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中国结直肠癌、肺癌和胃癌患者KRAS基因突变情况分析 被引量:14

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摘要 目的探讨中国结直肠癌、肺癌和胃癌中KRAS基因的突变特征及其与临床病理特征的关系,并比较基因突变在三种癌症间的异同。方法采用直接测序法检测860例结直肠癌、101例肺癌和96例胃癌组织中KRAS基因第2号外显子的突变。结果 KRAS基因突变率在肺癌、胃癌、结直肠癌中的差异均有显著性(5.9%vs 4.2%vs 35.1%,P<0.05)。三种肿瘤中,KRAS基因突变均以第12密码子为主。KRAS突变与患者年龄、性别无明显相关性。肺腺癌患者KRAS基因突变高于非腺癌包括鳞癌等(10.2%vs 0,P<0.05)。肠腺癌和黏液腺癌中KRAS基因突变率显著高于其它类型结直肠癌(35.7%vs 37.6%vs 8%,P<0.05)。结论结直肠癌患者的KRAS基因突变率显著高于肺癌和胃癌。因此,KRAS基因突变检测可能对结直肠癌患者的个体化靶向治疗具有更为重要的指导意义。
出处 《临床与实验病理学杂志》 CAS CSCD 北大核心 2016年第2期210-213,共4页 Chinese Journal of Clinical and Experimental Pathology
基金 江苏省高校优势学科建设工程资助(012062003010)
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参考文献14

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