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食管鳞癌ABCG4的表达及临床意义

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摘要 目的:检测ABC膜转运蛋白ABCG4在食管鳞癌中的表达,探讨其在病理分级、TNM分期及转移与否中的差异性,为研究ABCG4在肿瘤中表达及其与耐药相关性提供依据。方法:采用免疫组化EnVinsion法、免疫荧光法检测ABCG4在66例食管鳞癌中的表达,激光共聚焦显微镜观察其表达定位,统计学分析差异性。结果:ABCG4阳性表达主要定位于胞膜上和胞质中,鳞癌总阳性率65.15%,Ⅰ-Ⅱ、Ⅱ、Ⅱ-Ⅲ阳性率分别为15.38%、75.0%、85.16%,3组间检验差异性非常明显(P<0.01),各2组间的Mann-Whitney检验差异性有统计学意义(P<0.05);TNM分期Ⅱa、Ⅱb、Ⅲ阳性率分别为34.5%、90.5%、87.5%,3组间检验差异性显著(P<0.01),Ⅱa与各组的Mann-Whitney检验差异性非常显著(P<0.01),Ⅱb与Ⅲ组间检验差异性无统计学意义(P>0.05)。淋巴结转移组与非转移组差异性非常显著(P<0.01)。结论:ABCG4在食管鳞癌中高表达,表达的高低与病理分级、TNM分期高低及其淋巴结转移与否有关,很可能与食管鳞癌化疗药物耐药、转移有关联。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2009年第6期540-542,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 陕西省攻关资助项目(2004K13-G7)
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