4F2hc表达与人脑胶质瘤病理级别增殖和血管形成的关系

Chinese Journal of Clinical Oncology(2012)

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Abstract
目的:探讨细胞表面抗原4F2重链(4F2 heavy chain,4F2hc)在人脑胶质瘤组织中的表达水平及其与胶质瘤病理学特征、细胞增殖以及血管形成的关系。方法:采用免疫组化方法检测4F2hc、Ki-67和CD34在62例人脑胶质瘤组织中的表达,计数Ki-67标记指数(Ki-67 LI)和微血管密度(MVD)。结果:4F2hc在胶质瘤中高表达,其免疫阳性染色既定位于瘤细胞也定位于血管内皮;4F2hc表达随胶质瘤病理级别升高而明显增强(P=0.001),在高度恶性胶质瘤中4F2hc表达明显强于低度恶性胶质瘤(P=0.002);4F2hc表达与胶质瘤Ki-67标记指数存在明显正相关(P=0.003),但与微血管密度无明显相关性(P=0.214)。结论:4F2hc与胶质瘤的发生和发展关系密切,可能在胶质瘤的恶性增殖过程中具有重要作用。
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Key words
Angiogenesis,Proliferation,4F2 heavy chain(4F2hc ),Glioma
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