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小肠恶性肿瘤患者癌组织Bcl-2和Bax基因表达及其作用机制 被引量:2

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摘要 目的检测Bcl-2及Bax基因在小肠癌中的表达,探讨其在小肠癌发生、发展及治疗中的作用。方法取50例小肠肿瘤患者标本,并取30例癌组织附近正常组织,Bcl-2及Bax基因表达检测采用Western印迹法,而细胞凋亡指数(AI)检测采用TUNEL方法。结果相对于癌组织附近正常组织,Bcl-2、Bax基因及AI在癌组织中表达明显偏高(P<0.05);小肠癌中Bcl-2积分与AI呈负相关,相反,Bax积分则与AI呈正相关。结论 Bcl-2很有可能参与小肠癌发生及发展,并同时对细胞凋亡起抑制作用;而Bax则部分升高癌细胞凋亡水平。
作者 辛向红
出处 《中国老年学杂志》 CAS CSCD 北大核心 2012年第12期2488-2490,共3页 Chinese Journal of Gerontology
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