胃癌患者Th17/Treg细胞失衡的研究

被引:15
作者
李清靖 [1 ]
单保恩 [2 ]
李宏 [1 ]
苏景伟 [2 ]
张超 [2 ]
李巧霞 [2 ]
机构
[1] 河北医科大学第四医院检验科
[2] 河北医科大学第四医院科研中心
关键词
胃肿瘤; Th17细胞; T淋巴细胞,调节性; 免疫平衡;
D O I
暂无
中图分类号
R735.2 [胃肿瘤];
学科分类号
100214 ;
摘要
目的检测Th17和Treg细胞在胃癌患者外周血中的分布,探讨Th17/Treg细胞免疫平衡与胃癌发生发展的关系。方法选取2010年7月—2011年9月河北医科大学第四医院住院的胃癌患者45例作为病例组,另选取同期本院健康体检者20例作为对照组。取受试者外周血5 ml,分离单个核细胞,采用流式细胞分析技术检测CD+4CD+25Foxp3+和CD+4IL-17+细胞的表达,以产生IL-17的CD+4T为Th17细胞,以CD+4CD+25Foxp3+细胞为Treg细胞,检测Th17和Treg细胞的数量和比例。结果流式细胞术检测结果显示,病例组外周血Th17细胞比例、Treg细胞比例、Th17/Treg均高于对照组,差异有统计学意义(P<0.05)。对照组中,外周血Th17细胞比例与Treg细胞比例呈正相关(r=0.64,P=0.003);病例组中,外周血Th17细胞比例与Treg细胞比例无直线相关性(r=0.12,P=0.490)。多元线性回归分析结果显示,Th17细胞比例升高与TNM分期(P=0.002)、淋巴结转移(P=0.017)有关;Treg细胞比例升高与TNM分期(P=0.034)、分化程度(P=0.015)有关;Th17/Treg升高与淋巴结转移有关(P=0.036)。结论胃癌患者Th17、Treg细胞比例及Th17/Treg明显增高,并与患者TNM分期、淋巴结转移、肿瘤分化程度有关,提示胃癌患者存在Th17/Treg细胞免疫平衡失调,这种失调可能促进了胃癌的进展。
引用
收藏
页码:3596 / 3600
页数:5
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