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桥本氏甲状腺炎患者滤泡辅助性T细胞的检测及临床意义

Journal of Nanjing Medicial University(2013)

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Abstract
目的:检测桥本氏甲状腺炎(HT)患者外周血CD4+ CXCR5+T细胞的表达情况及临床意义.方法:荧光抗体CD4-FITC、PD-1-PE、CXCR5-AF标记外周血细胞,流式细胞术测定49例HT患者、22例正常对照人群CD4+T细胞表面CDXCR5、PD-1的表达情况.结果:①与正常对照组比较,HT患者CD4+CXCR5+/CD4+T显著升高,两者比较有统计学差异(t=11.158,P<0.001);CD4+CXCR5+ PD-1+/CD4+T亦显著高于正常对照,两者比较亦有统计学差异(t=4.657,P<0.001);②HT患者CD4+CXCR5+/CD4+T细胞与A-TG、A-TPO均呈正相关(r=0.288,P=0.045;r=0.396,P=0.005),CD4+CXCR5+PD-1+/CD4+T细胞与A-TG、A-TPO均呈正相关(r=0.415,P=0.003;r=0.355,P=0.013).结论:外周血滤泡辅助性T细胞频率升高可能在桥本氏甲状腺炎发病机制中起重要作用.
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