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T细胞相关细胞因子在干燥综合征发病机制的研究进展 被引量:4

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摘要 干燥综合征(Sj(o)gren syndrome,SS)是一种以唾液腺和泪腺为主要靶器官的自身免疫性疾病,我国发生率约0.33% ~ 0.77%,临床除有涎腺和泪腺受损功能下降而出现口干、眼干外,尚有其他外分泌腺及腺体外其他器官受累而出现皮肤、骨骼肌肉、肾脏、肺脏、消化系统、神经系统等多系统损害,严重影响患者生活质量.效应T细胞可增强B细胞活化,促进自身抗体产生,介导靶器官的自身免疫反应.在SS患者的靶器官和血液中,效应T细胞及其多种细胞因子数量明显增加.不同的效应T细胞亚群(如Th1、Th2、Th17细胞以及滤泡性辅助性T细胞)在多种细胞因子的诱导下分化,并产生细胞因子促进相同细胞亚群的分化.Th1、Th2和Th17细胞的特征性细胞因子是IFN-γ、IL-4和IL-17,这些细胞因子的调节、分化、扩增对SS的发病机制的研究十分必要.本文在这篇综述中,复习并总结多种细胞因子在SS发病机制研究的同时,着重关注了效应T细胞产生的细胞因子和T细胞直接相关的免疫应答.
出处 《医学研究杂志》 2014年第6期13-16,共4页 Journal of Medical Research
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