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胃癌患者外周血FOXP3的检测及临床意义 被引量:2

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摘要 目的:通过研究胃癌患者外周血中FOXP3的表达,初步探讨其在胃癌发病机制中的临床意义。方法:选择胃癌患者与正常对照各31例,用流式细胞仪检测外周血CD4+CD25+T细胞的数量;ELISA检测胃癌患者和正常对照外周血单个核细胞培养上清中Th2型细胞因子白细胞介素(interleukin,IL)-10和Th1型细胞因子IL-2的表达;RT-PCR检测FOXP3的mRNA表达。结果:胃癌患者外周血中CD4+CD25+T细胞约占CD4+T细胞(30.4±1.9)%,显著高于正常人外周血中CD4+CD25+T细胞的比例(3.5±0.8)%(P<0.05);胃癌患者外周血CD4+CD25+T细胞高表达FOXP3;胃癌患者外周血单个核细胞培养上清主要分泌IL-10,而IL-2分泌无显著变化。结论:FOXP3表达的增加对肿瘤免疫具有抑制作用,可能参与胃癌的发生。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2012年第11期1559-1560,1569,共3页 Journal of Nanjing Medical University(Natural Sciences)
关键词 FOXP3 肿瘤 胃癌
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