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非小细胞肺癌组织中ET-1、TSP-1的表达与血管生成的相关性 被引量:4

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摘要 目的探讨非小细胞肺癌(NSCLC)组织中内皮素-1(ET-1)、血小板反应蛋白-1(TSP-1)的表达及其与肿瘤血管生成的关系。方法用免疫组化法检测45例NSCLC组织和18例正常肺组织中ET-1、TSP-1的表达及微血管密度(MVD)的计数。结果 NSCLC组织中ET-1的阳性表达率(42.22%)显著高于对照组,ET-1的表达与NSCLC的组织学分级、淋巴结转移有密切关系,ET-1阳性组MVD明显高于ET-1阴性组。TSP-1在NSCLC中的阳性表达率(37.78%)低于对照组,TSP-1的表达与淋巴结转移有关,TSP-1阳性组MVD低于TSP-1阴性组。MVD与ET-1表达水平呈正相关,与TSP-1表达水平呈负相关。结论在NSCLC组织中ET-1作为一种促血管生成因子,TSP-1作为一种抑制血管生成因子,两者参与肺癌的血管形成,且有协同作用。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2010年第12期1636-1638,共3页 Chinese Journal of Gerontology
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