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血管内皮生长因子和CD34在人肝癌组织中的表达研究 被引量:2

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摘要 目的探讨血管内皮生长因子(VEGF)和CD34在人肝癌组织中的表达。方法对30例人肝细胞肝癌(HCC)及相应癌旁组织,10例肝硬化,5例轻度慢性肝炎和4例正常肝组织,进行了CD34、VEGF免疫组织化学SP法检测,对CD34阳性血管进行MVD计数,对VEGF进行半定量计数,并结合肝癌的病理特征进行分析。结果HCC组织中CD34呈广泛、窦隙状阳性表达,而在正常及慢性肝炎组织中肝窦呈阴性,在纤维间隔附近的肝窦壁可见少量散在的CD34弱阳性表达,MVD与HCC的肿瘤大小及是否发生门静脉癌栓密切相关,瘤块直径<2 cm者的MVD显著低于>2 cm者,VEGF阳性率为83.3%(25/30),而在5例慢性肝炎患者中为阴性表达,并与肿瘤发生门静脉癌栓关系密切(P<0.05)。瘤旁肝组织亦显示较明显的VEGF阳性(93.3%,28/30)。结论CD34和VEGF的阳性表达为HCC与非癌性肝组织的鉴别诊断提供了较为可靠的形态学标记。瘤组织可通过自分泌和旁分泌的VEGF促进肿瘤血管形成。
出处 《广州医药》 2006年第1期5-8,共4页 Guangzhou Medical Journal
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