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Th17细胞分化发育的研究进展 被引量:1

Differentiation of Th17 cells:recent progress
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摘要 新型辅助性T细胞Th17在分化和功能特征上较传统的辅助性T细胞Th1和Th2存在显著的不同。分泌效应分子IL-17A/F和IL-22的Th17细胞与机体抗胞外菌感染和自身免疫疾病免疫病理的关系密切。Th17细胞的分化发育很大程度上依赖于局部微环境的影响,其中活化DC或其他细胞提供的特定细胞因子诱导微环境尤为重要。小鼠系统中,TGF-β和IL-6的共同刺激是Th17细胞分化的始动因素,自分泌细胞因子IL-21参与其分化的正反馈调节,而IL-23在维持其后续的细胞扩增和存活中有重要作用,转录因子RORγt、RORα、STAT3和IRF4参与其中转录水平的调节。此外,Th17细胞的分化发育还受到机体严密的调控。人Th17细胞分化的相关研究证实其中的机制和小鼠存在相似性。深入研究Th17细胞的分化发育将有助于认识Th17细胞在抗感染免疫和自身免疫疾病中的免疫病理机制,也有利于相应治疗靶点的选择。
作者 林莉 曹雪涛
出处 《中国肿瘤生物治疗杂志》 CAS CSCD 北大核心 2009年第2期191-194,198,共5页 Chinese Journal of Cancer Biotherapy
基金 国家自然科学基金资助项目(No.30721091) 国家重点基础研究(973)项目(No.2007CB512403)~~
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