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Toll样受体与角膜抗感染天然免疫研究进展 被引量:1

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摘要 免疫系统包括天然免疫和适应性免疫。适应性免疫是T淋巴细胞和B淋巴细胞介导的对特定致病原或抗原的免疫反应,它的产生需要数天的时间并通过记忆T细胞和B细胞发挥作用。相比之下,天然免疫系统在感染发生的初始时刻即为宿主提供保护。以往天然免疫被认为是一种非特异性反应,表现为巨噬细胞通过内吞和消化作用清除微生物或异己抗原。近年发现一种天然识别受体——Toll样受体(Tolllikereceptors,TLRs),可通过识别特定的致病原结构来区分自身和致病原,从而启动快速的防御反应。目前研究热点主要集中在TLRs如何识别致病原、调动宿主防御反应及调节适应性免疫的作用。
作者 吴欣怡
出处 《山东大学学报(医学版)》 CAS 北大核心 2011年第10期56-62,共7页 Journal of Shandong University:Health Sciences
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