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Toll样受体及其在病毒性肝炎发病机制中的作用 被引量:7

Toil-like receptor and its effect in pathogenesis of viral hepatitis
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摘要 先天性免疫系统发挥防御作用的关键是对病原体的识别,这一识别主要由Toll样受体(Toll-likereceptors,TLRs)完成.TLRs通过识别病原微生物及其特殊结构,介导宿主相关细胞因子的分泌和天然免疫应答的产生.病毒基因组具有一些哺乳动物基因组所没有的特性物质,比如高CpG含量和dsRNA等.这些基因组核酸起着同病毒感染相关的分子信号的作用.近年研究显示,TLRs在病毒性肝炎的发病机制中通过诱导TNF、IFN等的生成和调节Th1和Th2反应平衡而产生免疫刺激并发挥抗病毒作用.因此,对TLRs的认识和深入研究将为新型肝炎疫苗和免疫调节剂的研制提供新的重要理论依据,并为病毒性肝炎的预防和治疗提供新的思路和手段.
出处 《世界华人消化杂志》 CAS 北大核心 2005年第20期2459-2463,共5页 World Chinese Journal of Digestology
基金 国家自然科学基金资助项目 No.30570086
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