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Expressions of cytokeratin 18 and cytokeratin 19 in hepatocellular carcinoma tissues
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- Author:
- No author available
- Journal Title:
- WORLD CHINESE JOURNAL OF DIGESTOLOGY
- Issue:
- 7
- DOI:
- 10.3969/j.issn.1009-3079.2008.07.008
- Key Word:
- 角蛋白;肝癌;卵圆细胞;免疫组织化学
Abstract： 目的:观察和探讨细胞角质素CK18和CK19在不同肝组织中的表达及其意义.方法:采用免疫组化SP法观察正常肝组织8例.肝硬化组织27例和肝细胞癌(hepatocellular carcinoma,HCC)组织43例中CK18,CK19的表达.结果:肝CK18和CK19在肝硬化组与正常肝组织的表达率均无明显差异,但两者在肝细胞癌组与肝硬化组之间差异有显著性(65.1%vs29.6%.69.8%vs 25.9%,P＜0.01).在20/27例肝硬化组织和35/43例HCC组织中可见到CK18,CK19标记的卵圆细胞,且在两种组织中卵圆细胞的数量有显著性差异(CK18:6.57-4-1.69vs 10.70±2.31:CK19:5.37±1.17vs10.45±2.15,P＜0.01).结论:CK18和CK19参与了肝硬化到HCC的癌变过程;CK18和CK19在卵圆细胞中的强阳性表达,支持HCC的卵圆细胞起源学说.
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