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胰腺癌组织中COX-2和Bcl-2蛋白的表达及其意义 被引量:1

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摘要 目的:通过检测环氧化酶-2(COX-2)和Bcl-2蛋白在不同胰腺组织中的表达,探讨COX-2和Bcl-2蛋白在胰腺癌发生发展过程中的作用及其意义.方法:应用免疫组织化学方法PicTureTM通用型二步法检测47例胰腺癌、12例胰腺导管上皮内肿瘤(PIN)和10例正常胰腺组织中COX-2和Bcl-2蛋白的表达.结果:在10例正常胰腺组织中COX-2阳性表达2例,Bcl-2蛋白阳性表达9例;COX-2在PIN和胰腺癌中均呈高表达,分别为75%和68%,明显高于正常胰腺组织(P<0.05).Bcl-2蛋白在PIN组织中阳性表达者占83%,与正常胰腺组织相近(P>0.05),明显高于在胰腺癌组织中47%的阳性表达(P<0.05).胰腺癌组织中COX-2和Bcl-2蛋白的表达呈明显负相关(r=-0.4552,P=0.005).结论:COX-2在PIN和胰腺癌组织中高表达与胰腺癌的发生密切相关,Bcl-2蛋白在胰腺癌发生早期起作用,二者在胰腺癌组织中的表达呈明显负相关.
出处 《世界华人消化杂志》 CAS 2004年第2期459-461,共3页 World Chinese Journal of Digestology
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