Cited by 292Inflammasome and immune disordersImmune Response and Inflammationinterferon and immune responses

NLRP3 cages revealed by full-length mouse NLRP3 structure control pathway activation

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Andreeva, Liudmila, David, Liron, Rawson, Shaun, Shen, Chen, Pasricha, Teerithveen, Pelegrin, Pablo, Wu, Hao·2021·Cell

Published version of a preprint

Abstract

The NACHT-, leucine-rich-repeat- (LRR), and pyrin domain-containing protein 3 (NLRP3) is emerging to be a critical intracellular inflammasome sensor of membrane integrity and a highly important clinical target against chronic inflammation. Here, we report that an endogenous, stimulus-responsive form of full-length mouse NLRP3 is a 12- to 16-mer double-ring cage held together by LRR-LRR interactions with the pyrin domains shielded within the assembly to avoid premature activation. Surprisingly, this NLRP3 form is predominantly membrane localized, which is consistent with previously noted localization of NLRP3 at various membrane organelles. Structure-guided mutagenesis reveals that trans-Golgi network dispersion into vesicles, an early event observed for many NLRP3-activating stimuli, requires the double-ring cages of NLRP3. Double-ring-defective NLRP3 mutants abolish inflammasome punctum formation, caspase-1 processing, and cell death. Thus, our data uncover a physiological NLRP3 oligomer on the membrane that is poised to sense diverse signals to induce inflammasome activation.

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Crossref · 10.1016/j.cell.2021.11.011

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Authors
Andreeva, L., David, L., Rawson, S., Shen, C., Pasricha, T., Pelegrin, P., & Wu, H.
Affiliations
  • Boston Children's Hospital (US)
  • Harvard University (US)
Corresponding author
Wu, Hao
Venue
Cell
Publisher
Elsevier BV
Published
2021-12
Volume
184
Issue
26
Pages
6299-6312.e22
ISSN
0092-8674 (ISSN-L)
OpenAlex
W3216744349
Cited by
292
References
7
Citations by year
2026: 60 · 2025: 64 · 2024: 66 · 2023: 50 · 2022: 49 · 2021: 3
FWCI
13.25
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (AI124491, HD087988)
  • Cancer Research Institute
  • Damon Runyon Cancer Research Foundation
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 › interferon and immune responses
Keywords
NLRP3 inflammasome, inflammasome activation, pyrin domain, membrane localization, trans-Golgi network, cell death, structure-guided mutagenesis, chronic inflammation
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, NIMA-Related Kinases, Protein Domains, Amino Acid Sequence, Animals, Cell Membrane, Humans, Models, Biological, Models, Molecular, Mutation, Nigericin, Protein Binding, Cryoelectron Microscopy, trans-Golgi Network, Mice, Protein Multimerization, HEK293 Cells, Inflammasomes

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