» Articles » PMID: 22733741

Critical Role for Calcium Mobilization in Activation of the NLRP3 Inflammasome

Overview
Specialty Science
Date 2012 Jun 27
PMID 22733741
Citations 461
Authors
Affiliations
Soon will be listed here.
Abstract

The NLRP3 (nucleotide-binding domain, leucine-rich-repeat-containing family, pyrin domain-containing 3) inflammasome mediates production of inflammatory mediators, such as IL-1β and IL-18, and as such is implicated in a variety of inflammatory processes, including infection, sepsis, autoinflammatory diseases, and metabolic diseases. The proximal steps in NLRP3 inflammasome activation are not well understood. Here we elucidate a critical role for Ca(2+) mobilization in activation of the NLRP3 inflammasome by multiple stimuli. We demonstrate that blocking Ca(2+) mobilization inhibits assembly and activation of the NLRP3 inflammasome complex, and that during ATP stimulation Ca(2+) signaling is pivotal in promoting mitochondrial damage. C/EPB homologous protein, a transcription factor that can modulate Ca(2+) release from the endoplasmic reticulum, amplifies NLRP3 inflammasome activation, thus linking endoplasmic reticulum stress to activation of the NLRP3 inflammasome. Our findings support a model for NLRP3 inflammasome activation by Ca(2+)-mediated mitochondrial damage.

Citing Articles

NLRP3 inflammasome in cardiovascular diseases: an update.

Mo B, Ding Y, Ji Q Front Immunol. 2025; 16:1550226.

PMID: 40079000 PMC: 11896874. DOI: 10.3389/fimmu.2025.1550226.


Evolution of Biological Hydroxyapatite Modification Strategy: Anti-Inflammation Approach Rescues the Calcium-NOD-Like Receptor-Inflammation Axis-Mediated Periodontal Redevelopment Failure.

Zhou X, Xue J, Zhang Y, Xia R, Shan Z, Zhang L Biomater Res. 2025; 29:0131.

PMID: 40012607 PMC: 11862812. DOI: 10.34133/bmr.0131.


Active ingredients of traditional Chinese medicine inhibit NOD-like receptor protein 3 inflammasome: a novel strategy for preventing and treating heart failure.

Lin R, Yu Y, Du L, Ding Z, Wang Z, Wei J Front Immunol. 2025; 16:1520482.

PMID: 39925805 PMC: 11802527. DOI: 10.3389/fimmu.2025.1520482.


Apigenin inhibits NLRP3 inflammasome activation in monocytes and macrophages independently of CD38.

Lauritzen K, Yang K, Frisk M, Louwe M, Olsen M, Ziegler M Front Immunol. 2025; 15():1497984.

PMID: 39840045 PMC: 11746122. DOI: 10.3389/fimmu.2024.1497984.


Targeting the NLRP3 inflammasome as a novel therapeutic target for osteoarthritis.

Karmakar V, Chain M, Majie A, Ghosh A, Sengupta P, Dutta S Inflammopharmacology. 2025; 33(2):461-484.

PMID: 39806051 DOI: 10.1007/s10787-024-01629-2.


References
1.
Menu P, Mayor A, Zhou R, Tardivel A, Ichijo H, Mori K . ER stress activates the NLRP3 inflammasome via an UPR-independent pathway. Cell Death Dis. 2012; 3:e261. PMC: 3270266. DOI: 10.1038/cddis.2011.132. View

2.
Clapham D . Calcium signaling. Cell. 2007; 131(6):1047-58. DOI: 10.1016/j.cell.2007.11.028. View

3.
Medzhitov R . Origin and physiological roles of inflammation. Nature. 2008; 454(7203):428-35. DOI: 10.1038/nature07201. View

4.
Franchi L, Eigenbrod T, Munoz-Planillo R, Nunez G . The inflammasome: a caspase-1-activation platform that regulates immune responses and disease pathogenesis. Nat Immunol. 2009; 10(3):241-7. PMC: 2820724. DOI: 10.1038/ni.1703. View

5.
Stober C, Lammas D, Li C, Kumararatne D, Lightman S, McArdle C . ATP-mediated killing of Mycobacterium bovis bacille Calmette-Guérin within human macrophages is calcium dependent and associated with the acidification of mycobacteria-containing phagosomes. J Immunol. 2001; 166(10):6276-86. DOI: 10.4049/jimmunol.166.10.6276. View