NLRC4 biology in immunity and inflammation.

Journal of Leukocyte Biology
Warrison A Andrade, Dario S Zamboni

Abstract

Inflammasomes are cytosolic multiprotein complexes that sense microbial infections or host cell damage, triggering cytokine production and a proinflammatory form of cell death, called pyroptosis. Whereas pyroptosis and cytokine production may often promote host resistance to infections, uncontrolled inflammasome activation leads to autoinflammatory diseases in humans. Among the multiple inflammasomes described, the neuronal apoptosis inhibitory protein/nucleotide-binding domain leucine-rich repeat-containing protein family caspase activation and recruitment domain-containing protein 4 (NLRC4) inflammasome emerged as a critical component for the restriction of bacterial infections. Accordingly, our understanding of this inflammasome advanced remarkably over the last 10 yr, expanding our knowledge about ligand-receptor interaction; cryo-EM structure; and downstream effectors and substrates, such as gasdermin-D, caspase-1, caspase-8, and caspase-7. In this review, we discuss recent advances on the biology of the NLRC4 inflammasome, in terms of structure and activation mechanisms, importance in bacterial and nonbacterial diseases, and the identification of NLRC4 gain-of-function mutations leading to NLRC4-associated autoinflammator...Continue Reading

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Citations

Jul 8, 2020·International Journal of Molecular Sciences·Jae-Min YukEun-Kyeong Jo
Oct 3, 2021·Journal of Molecular Biology·Asen Daskalov, N Louise Glass
Oct 11, 2021·Journal of Molecular Biology·Madeline J ChurchillIsabella Rauch

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