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Fas、FasL在非小细胞肺癌中的表达及其与肿瘤免疫的关系

Expression of Fas,FasL and Its Relationship with Tumorigenesis in Non-small Cell Lung Cancer
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摘要 [目的]探讨Fas/FasL系统在非小细胞肺癌(NSCLC)发生发展中所起的免疫逃逸作用,为临床早期诊断肺癌、判断预后、设计新的治疗策略提供依据。[方法]采用免疫组织化学方法检测Fas、FasL在NSCLC组织及正常肺组织中的表达,同时采用抗CD45RO抗体检测肿瘤组织中浸润淋巴细胞(tumor infiltrating lymphocytes,TIL)的数量。[结果]与正常肺组织比,Fas在肺癌组织低表达(51.25%vs.100.00%)并存在异位表达,表达率与细胞分化有关。FasL在肺癌组织中高表达(67.50%vs.0),表达率和细胞类型及淋巴结转移相关,与TIL浸润程度呈负相关。[结论]NSCLC组织中普遍存在Fas表达的下调、异位表达及FasL高表达,导致癌细胞逃脱机体免疫系统的监视,参与NSCLC的发生和发展。
出处 《中国肿瘤》 CAS 2009年第7期578-580,共3页 China Cancer
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