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TOLL样受体家族与LPS信号转导 被引量:2

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摘要 细菌脂多糖 (LPS)可激活巨噬细胞、内皮细胞等引起一些炎症介质的释放 ,最终可导致机体的损伤甚至休克死亡。在这一过程中LPS如何被机体细胞识别并启动细胞反应已引起高度重视。十几年来研究已明确LBP CD14、CD11 CD18可使LPS解聚并被运送和结合到细胞表面 ,但是这些分子缺乏信号转导的功能。近二三年发现了一种功能性的LPS跨膜受体———Toll样受体家族。Toll样受体被认为是其它LPS受体的协同受体或接头受体 (adaptorreceptor) ,正是这种受体直接将LPS的刺激信号向细胞内传递 ,其胞浆区具有与IL 1受体同源的结构 。
出处 《国外医学(免疫学分册)》 CAS 2001年第3期142-146,共5页 Foreign Medical Sciences(Section of Immunology Foreign Medical Sciences)
基金 福建省自然科学基金资助项目!C9810 0 30
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