Cited by 2,771Inflammasome and immune disordersCell death mechanisms and regulationImmune Response and Inflammation

Pore-forming activity and structural autoinhibition of the gasdermin family

Ding, Jingjin, Wang, Kun, Liu, Wang, She, Yang, Sun, Qi, Shi, Jianjin, Sun, Hanzi, Wang, Da-Cheng +1 more·2016·Nature

Abstract

Inflammatory caspases cleave the gasdermin D (GSDMD) protein to trigger pyroptosis, a lytic form of cell death that is crucial for immune defences and diseases. GSDMD contains a functionally important gasdermin-N domain that is shared in the gasdermin family. The functional mechanism of action of gasdermin proteins is unknown. Here we show that the gasdermin-N domains of the gasdermin proteins GSDMD, GSDMA3 and GSDMA can bind membrane lipids, phosphoinositides and cardiolipin, and exhibit membrane-disrupting cytotoxicity in mammalian cells and artificially transformed bacteria. Gasdermin-N moved to the plasma membrane during pyroptosis. Purified gasdermin-N efficiently lysed phosphoinositide/cardiolipin-containing liposomes and formed pores on membranes made of artificial or natural phospholipid mixtures. Most gasdermin pores had an inner diameter of 10–14 nm and contained 16 symmetric protomers. The crystal structure of GSDMA3 showed an autoinhibited two-domain architecture that is conserved in the gasdermin family. Structure-guided mutagenesis demonstrated that the liposome-leakage and pore-forming activities of the gasdermin-N domain are required for pyroptosis. These findings reveal the mechanism for pyroptosis and provide insights into the roles of the gasdermin family in necrosis, immunity and diseases.

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Crossref · 10.1038/nature18590

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Authors
Ding, J., Wang, K., Liu, W., She, Y., Sun, Q., Shi, J., Sun, H., Wang, D.-C., & Shao, F.
Affiliations
  • Chinese Academy of Sciences (CN)
  • National Institute of Biological Sciences, Beijing (CN)
Corresponding author
Shao, Feng
Venue
Nature
Published
2016-06-08
Volume
535
Issue
7610
Pages
111-116
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2418806051
Cited by
2,771
References
44
Citations by year
2026: 246 · 2025: 317 · 2024: 382 · 2023: 409 · 2022: 435 · 2021: 349 · 2020: 203 · 2019: 172 · 2018: 116 · 2017: 103 · 2016: 34
FWCI
73.82
Type
journal article
Language
en
Update notices
erratum (2016-10-05)
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Howard Hughes Medical Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
Keywords
gasdermin, gasdermin D, GSDMA, pyroptosis, pore formation, autoinhibition, phosphoinositides, cardiolipin, membrane lipids, oligomerization, crystal structure, caspase cleavage, programmed cell death, innate immunity
MeSH terms
Pyroptosis, Gasdermins, Animals, Cardiolipins, Cell Line, Cell Membrane, Cell Membrane Permeability, DNA-Binding Proteins, Humans, Liposomes, Membrane Lipids, Models, Molecular, Necrosis, Neoplasm Proteins, Phosphatidylinositols, Proteins, Biomarkers, Tumor, Porosity, Protein Structure, Tertiary, Crystallography, X-Ray, Caspases, Phosphate-Binding Proteins, Intracellular Signaling Peptides and Proteins, Mice

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