期刊
JOURNAL OF IMMUNOLOGY
卷 187, 期 2, 页码 597-602出版社
AMER ASSOC IMMUNOLOGISTS
DOI: 10.4049/jimmunol.1100229
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资金
- European Union [256432]
- Fund for Scientific Research-Flanders
Inflammasomes are emerging as key regulators of the host response against microbial pathogens. These cytosolic multiprotein complexes recruit and activate the cysteine protease caspase-1 when microbes invade sterile tissues or elicit cellular damage. Inflammasome-activated caspase-1 induces inflammation by cleaving the proinflammatory cytokines IL-1 beta and IL-18 into their biologically active forms and by releasing the alarmin HMGB1 into the extracellular milieu. Additionally, inflammasomes counter bacterial replication and clear infected immune cells through an inflammatory cell death program termed pyroptosis. As a countermeasure, bacterial and viral pathogens evolved virulence factors to antagonize inflammasome pathways. In this review, we discuss recent progress on how inflammasomes contribute to host defense against bacterial and viral pathogens, and we review how viruses and bacteria modulate inflammasome function to their benefit. The Journal of Immunology, 2011, 187: 597-602.
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