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辅助性T细胞(helper T cell,Th)是机体一类重要的免疫调节细胞,其中Th1以分泌IL-2、IFN-γ和TNF-β为特征,主要参与细胞介导的免疫反应并在抵御病毒等细胞内致病因子方面起着重要作用;Th2以分泌IL-4、IL-5、IL-6、IL-10为特征,主要调节体液免疫反应并在抵御细胞外致病因子方面
Helper T cell (Th) is an important class of immune cells in the body. Th1 is characterized by secretion of IL-2, IFN-γ and TNF-β, and is mainly involved in cell-mediated immune response. Viruses and other intracellular virulence factors play an important role; Th2 secretion of IL-4, IL-5, IL-6, IL-10 is characterized by the main regulation of humoral immune response and resistance to extracellular pathogenic factors