Immune Netw.  2018 Dec;18(6):e41. 10.4110/in.2018.18.e41.

Regulatory Roles of the Caspase-11 Non-Canonical Inflammasome in Inflammatory Diseases

Affiliations
  • 1Department of Pharmaceutical & Biomedical Engineering, Cheongju University, Cheongju 28503, Korea. ysyi@cju.ac.kr

Abstract

Inflammation is an immune response mediated by innate immune cells of tissues, against invading microbes and cellular stress. The hallmark of inflammatory responses is the activation of inflammasomes "” multiprotein oligomers comprising intracellular pattern recognition receptors and inflammatory effectors "” such as ASC and pro-cysteine-aspartic protease (pro-caspase)-1. Inflammasomes can be classified as canonical or non-canonical, and their activation in response to various ligands commonly induces caspase-1 activation and gasdermin D (GSDMD) processing, leading to caspase-1-mediated maturation and secretion of the pro-inflammatory cytokines IL-1β and IL-18, and GSDMD-mediated pyroptosis through pore generation in cell membranes. Although inflammation protects the host from harmful stimuli, chronic inflammation is a critical risk factor for inflammatory diseases, and several studies have investigated the role of canonical inflammasomes in inflammatory responses and diseases, with emerging studies focusing on the role of non-canonical inflammasomes. This review discusses recent studies on the regulatory roles of the caspase-11 non-canonical inflammasome in the pathogenesis of inflammatory diseases. Additionally, it provides an insight into the development of novel therapeutics based on targeting caspase-11 non-canonical inflammasome and its downstream effectors to prevent and treat human inflammatory conditions.

Keyword

Caspase-11; Inflammasome; Non-canonical; Inflammatory responses; Inflammatory diseases

MeSH Terms

Cell Membrane
Cytokines
Humans
Inflammasomes*
Inflammation
Interleukin-18
Ligands
Pyroptosis
Receptors, Pattern Recognition
Risk Factors
Cytokines
Inflammasomes
Interleukin-18
Ligands
Receptors, Pattern Recognition
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