The role of Toll-like receptors in combating mycobacteria

被引:111
作者
Krutzik, SR [1 ]
Modlin, RL [1 ]
机构
[1] Univ Calif Los Angeles, Dept Microbiol & Immunol, Div Dermatol, David Geffen Sch Med, Los Angeles, CA 90095 USA
关键词
innate immunity; intracellular; mycobacteria; TLR; Toll;
D O I
10.1016/j.smim.2003.10.005
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
In the battle against infections with mycobacteria, the body employs components of both the innate and adaptive arms of the immune system. Toll-like receptors (TLRs) mediate the activation of cells of the innate immune system leading to dynamic functions including direct anti-microbial activity, induction of cytokine secretion, triggering dendritic cell maturation, and triggering apoptosis. Furthermore, TLR activation is capable of modulating the adaptive immune response with a bias towards a Th1 T-cell response. However, the activation of TLRs by mycobacteria may also provide a means of immune evasion. Therefore, the modulation of TLR activation can influence the ability to properly destroy invading pathogens such as mycobacteria. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:35 / 41
页数:7
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