Inflammasome activation and IL-1β and IL-18 processing during infection

被引:565
作者
de Veerdonk, Frank L. van [1 ,2 ]
Netea, Mihai G. [1 ,2 ]
Dinarello, Charles A. [2 ,3 ]
Joosten, Leo A. B. [1 ,2 ]
机构
[1] Radboud Univ Nijmegen, Med Ctr, Dept Med, NL-6525 ED Nijmegen, Netherlands
[2] Radboud Univ Nijmegen, Med Ctr, Nijmegen Ctr Infect Inflammat & Immun, NL-6525 ED Nijmegen, Netherlands
[3] Univ Colorado Denver, Div Infect Dis, Aurora, CO USA
关键词
NLRP3; INFLAMMASOME; NALP3; P2X(7) RECEPTOR; HOST-DEFENSE; CASPASE-1; CELLS; INTERLEUKIN-1-BETA; RECOGNITION; SECRETION; DEFICIENT;
D O I
10.1016/j.it.2011.01.003
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Interleukin-1 beta (IL-1 beta) and IL-18 contribute to host defense against infection by augmenting antimicrobial properties of phagocytes and initiating Th1 and Th17 adaptive immune responses. Protein complexes called inflammasomes activate intracellular caspase-1 autocatalytically, which cleaves the inactive precursors of IL-1 beta and IL-18 into bioactive cytokines. In this review, we discuss the controversies regarding inflammasome activation and the role of the inflammasome during infection. We highlight alternative mechanisms for processing IL-1 beta and IL-18 during infection, which involve extracellular cleavage of the inactive cytokines by neutrophil-derived serine proteases or proteases released from cytotoxic T cells.
引用
收藏
页码:110 / 116
页数:7
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