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NF-κB在原发性肝细胞癌中的表达及其意义 被引量:1

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摘要 目的探讨核因子NF-κB在肝细胞癌(hepatocellular carcinoma,HCC)及正常肝组织中的表达,NF-κB在肝细胞癌发生、发展及转移过程中的意义和机制。方法应用免疫组化二步法检测NF-κB蛋白在40例肝细胞癌组织和8例正常肝组织中的表达及相关性。结果1.NF-κB蛋白在HCC及正常肝组织中的阳性率分别为65.0%和25.0%,经χ2检验,NF-κB蛋白在HCC中的表达与正常肝组织中的表达无显著性差异(P=0.053),但可见NF-κB在肝癌中的表达率高于正常组织中的表达率。在HCC中,NF-κB的表达与病理分型有关,分化程度越高其阳性表达率越低,呈负向表达,而与肿瘤的大小、包膜、有无转移无关。4.NF-κB蛋白在正常肝细胞中定位细胞胞浆中;而在肝细胞癌中既可见定位于细胞浆,也可见少数定位于细胞膜。结论NF-κB蛋白在肝细胞癌中表达上调,为肿瘤的治疗提供思路和方法。
出处 《当代医学》 2009年第3期1-2,共2页 Contemporary Medicine
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