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P27和cyclinD1在慢性萎缩性胃炎癌变过程中的表达及意义

Journal of Xinxiang Medical College(2002)

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Abstract
目的探讨P27和cyclinD1在慢性萎缩性胃炎伴大肠化生转变为胃腺癌过程中的表达及意义.方法采用免疫组织化学S-P法,检测正常胃粘膜、慢性萎缩性胃炎伴大肠化生和胃腺癌组织中P27和cyclinD1的表达.结果在正常胃粘膜、慢性萎缩性胃炎伴大肠化生和胃腺癌中P27表达率分别为75.0%、4.0%、15.0%,cyclinD1表达率分别为20.0%、55.0%、75.0%,正常胃粘膜中P27和cyclinD1的表达均较其它两类病变有显著差异(P<0.05,P<0.01).相关性分析显示,P27和cyclinD1在胃腺癌组织中呈反向表达.P27失活和cyclinD1过表达与胃腺癌浸润程度和有无淋巴结转移有关(P<0.05,P<0.01).结论 P27失活和cyclinD1过表达可作为慢性萎缩性胃炎早期癌变的分子指标,并可能与胃腺癌的预后有关.
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Key words
chronic atrophic gastritis,cyclind1,p27,cancerous process
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