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胃癌组织中PTEN的表达与幽门螺旋杆菌感染的关系 被引量:5

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摘要 目的:探讨胃癌组织中PTEN的表达与幽门螺旋杆菌感染的关系。方法:应用免疫组织化学(S-P法)技术检测了80例胃癌及其相应的癌旁组织中PTEN和的表达情况;采用快速尿素酶实验和组织病理学检查两种方法检测其HP感染情况。结果:胃癌组织PTEN的阳性表达明显低于癌旁组织,二者之间有显著性差异;在HP阳性的胃癌组织中PTEN蛋白表达虽然低于HP阴性者,但二者之间无显著差异。结论:PTEN在癌组织中的表达明显低于癌旁组织,提示:PTEN的表达异常参与胃癌发生、发展。胃癌中HP阳性者PTEN蛋白表达虽然低于HP阴性者,但二者之间无显著差异,提示HP的致癌机制中可能没有抑癌基因PTEN的参与。
出处 《陕西医学杂志》 CAS 2010年第3期315-316,共2页 Shaanxi Medical Journal
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