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哮喘发病中Toll样受体的作用

Role of Toll-like receptors in pathogenesis of asthma
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摘要 Toll样受体可识别多种病原微生物及其产物,并且是联系天然免疫与获得性免疫的重要分子,结合脂多糖等配体后,通过激活天然免疫,产生γ干扰素等辅助T细胞(Th)1型细胞因子;诱导幼稚树突细胞发育成熟,并呈递抗原,促进Th1型免疫反应,抑制Th2型免疫反应;树突细胞上的Toll样受体与病原菌的病原相关分子模式结合,可能通过抑制性共刺激分子或分泌白介素-10、转化生长因子-β等调节性因子,促进Th0向具有调节功能的调节性T细胞转化。从而调节哮喘的Th1/Th2失衡。
出处 《国际儿科学杂志》 2008年第4期334-336,共3页 International Journal of Pediatrics
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