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p21 ras蛋白表达在胰腺癌中的临床意义 被引量:5

The clinical significance of p21 fas protein expression in pancreatic carcinoma
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摘要 为探讨癌蛋白p2 1ras在胰腺癌组织中的表达及其与胰腺癌的临床和病理特征的关系 ,笔者采用 p2 1ras的单克隆抗体和免疫组织化学EnVision方法分别检测石蜡包埋的 3 7例胰腺癌、17例胰腺癌远处淋巴结转移组织、5例正常胰腺组织共 5 9例标本中的p2 1ras蛋白表达情况 ,所有被检标本均经病理诊断证实。结果 :胰腺癌中 ,p2 1ras蛋白在胰腺癌中的表达率为 78.3 8% (2 9/3 7) ;胰腺癌远处淋巴结转移组织中的表达率为 47.0 6% (8/17) ;正常胰腺中未发现该蛋白表达。胰腺癌患者年龄、性别、症状、肿块大小、肿瘤部位、病理分级、临床分期和淋巴结转移各因素之间p2 1ras蛋白表达率差异无显著性 (P >0 .0 5 )。提示用免疫组织化学方法检测 p2 1ras蛋白是了解胰腺癌中K ras基因改变的非常敏感、特异的方法。该蛋白的检测有助于胰腺癌诊断。
出处 《中国普通外科杂志》 CAS CSCD 2004年第6期467-469,共3页 China Journal of General Surgery
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