Cited by 211Inflammasome and immune disordersImmune Response and InflammationIL-33, ST2, and ILC Pathways

Aryl hydrocarbon receptor negatively regulates NLRP3 inflammasome activity by inhibiting NLRP3 transcription

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Huai, Wanwan, Zhao, Rui, Song, Hui, Zhao, Jing, Zhang, Lei, Zhang, Lining, Gao, Chengjiang, Han, Lihui +1 more·2014·Nature Communications

Abstract

NLRP3 inflammasome is a multi-protein complex, which plays crucial roles in host defense against pathogens. The NLRP3 protein level is considered rate limiting for the activation of the inflammasome, thus its expression must be tightly controlled to maintain immune homeostasis. However, the molecular mechanisms that modulate NLRP3 expression, especially at the transcriptional level, remain largely unknown. In the present study, we show that aryl hydrocarbon receptor (AhR) activation inhibits NLRP3 expression, caspase-1 activation and subsequent IL-1β secretion in peritoneal macrophages, whereas siRNA knockdown of AhR has opposite effects. AhR could bind to the xenobiotic response element (XRE) in the NLRP3 promoter and inhibit NLRP3 transcription. Furthermore, AhR activation suppresses Alum-induced peritonitis in vivo. Therefore, we identified AhR as a negative regulator of NLRP3 inflammasome activity by inhibiting the transcription of NLRP3 and suggested AhR as a potential target for the intervention of diseases with uncontrolled inflammasome activation.

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Authors
Huai, W., Zhao, R., Song, H., Zhao, J., Zhang, L., Zhang, L., Gao, C., Han, L., & Zhao, W.
Affiliations
  • Shandong University (CN)
  • Second Military Medical University (CN)
Corresponding author
  • Han, Lihui
  • Zhao, Wei
Venue
Nature Communications
Published
2014-08-20
Volume
5
Issue
1
Pages
4738-4738
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2073875167
Cited by
211
References
53
Citations by year
2026: 17 · 2025: 17 · 2024: 25 · 2023: 14 · 2022: 19 · 2021: 27 · 2020: 26 · 2019: 15 · 2018: 16 · 2017: 20 · 2016: 9 · 2015: 6
FWCI
4.78
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Shandong University
  • National Natural Science Foundation of China (81172352, 31000407, 81000495, 31370017)
  • Natural Science Foundation of Shandong Province (ZR2011CQ001)
  • Independent Innovation Foundation of Shandong University (2012TS122)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › IL-33, ST2, and ILC Pathways
Keywords
aryl hydrocarbon receptor, NLRP3 inflammasome, xenobiotic response element, caspase-1 activation, IL-1β secretion, peritoneal macrophages, immune homeostasis, negative regulation of inflammation
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Alum Compounds, Animals, Carrier Proteins, Dimethyl Sulfoxide, Female, Gene Expression Regulation, Mice, Inbred C57BL, Peritonitis, Protein Binding, Transcription, Genetic, Signal Transduction, Macrophages, Peritoneal, Receptors, Aryl Hydrocarbon, Caspase 1, Response Elements, RNA, Small Interfering, Mice, Interleukin-1beta, Inflammasomes, Primary Cell Culture

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