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小细胞及非小细胞肺癌CD4+细胞因子水平的观察

Investigation of CD4+ T cell cytokine of SCLC and NSCLC
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摘要 目的 观察Ⅲb期及Ⅳ期小细胞肺癌(SCLC)及非小细胞肺癌(NSCLC)患者辅助性T淋巴细胞亚群(Th1、Th2)细胞因子表达的特点,探讨不同病理类型肺癌的免疫学特点.方法 选择TNM分期为Ⅲb期和Ⅳ期的肺癌患者,分别按照SCLC、NSCLC分为两组,采取静脉血标本,用Th1、Th2细胞因子标记流式细胞技术检测干扰素(IFN-γ)、肿瘤坏死因子(TNF-α)、白细胞介素(IL)-2、-4、-6、-10,比较相同分期的SCLC与NSCLC患者外周血CD4+细胞分泌细胞因子水平的变化.结果 Ⅲb期SCLC患者周围血CD4+细胞表达TNF-α明显高于NSCLC患者[(10.57±2.94)%、(7.03±3.06)%](P<0.05),而IL-4明显低于NSCLC患者[(2.48±0.55)%、(4.32±1.74)%],Ⅳ期SCLC患者外周血CD4+细胞表达Th1/Th2(IFN-γ/IL-4)低于Ⅳ期NSCLC患者.结论 SCLC中Th2细胞因子的高表达及IFN-γ/IL-4的降低可能预示预后不良,在NSCLC中,TNF-α的增高对预后更加有意义.
出处 《肿瘤研究与临床》 CAS 2007年第7期-,共3页 Cancer Research and Clinic
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参考文献13

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