AIM2 forms a complex with pyrin and ZBP1 to drive PANoptosis and host defence
© 2021. The Author(s), under exclusive licence to Springer Nature Limited..
Inflammasomes are important sentinels of innate immune defence, sensing pathogens and inducing cell death in infected cells1. There are several inflammasome sensors that each detect and respond to a specific pathogen- or damage-associated molecular pattern (PAMP or DAMP, respectively)1. During infection, live pathogens can induce the release of multiple PAMPs and DAMPs, which can simultaneously engage multiple inflammasome sensors2-5. Here we found that AIM2 regulates the innate immune sensors pyrin and ZBP1 to drive inflammatory signalling and a form of inflammatory cell death known as PANoptosis, and provide host protection during infections with herpes simplex virus 1 and Francisella novicida. We also observed that AIM2, pyrin and ZBP1 were members of a large multi-protein complex along with ASC, caspase-1, caspase-8, RIPK3, RIPK1 and FADD, that drove inflammatory cell death (PANoptosis). Collectively, our findings define a previously unknown regulatory and molecular interaction between AIM2, pyrin and ZBP1 that drives assembly of an AIM2-mediated multi-protein complex that we term the AIM2 PANoptosome and comprising multiple inflammasome sensors and cell death regulators. These results advance the understanding of the functions of these molecules in innate immunity and inflammatory cell death, suggesting new therapeutic targets for AIM2-, ZBP1- and pyrin-mediated diseases.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:597 |
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| Enthalten in: |
Nature - 597(2021), 7876 vom: 01. Sept., Seite 415-419 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lee, SangJoon [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 23.09.2021 Date Revised 02.09.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1038/s41586-021-03875-8 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a AIM2 forms a complex with pyrin and ZBP1 to drive PANoptosis and host defence |
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| 520 | |a © 2021. The Author(s), under exclusive licence to Springer Nature Limited. | ||
| 520 | |a Inflammasomes are important sentinels of innate immune defence, sensing pathogens and inducing cell death in infected cells1. There are several inflammasome sensors that each detect and respond to a specific pathogen- or damage-associated molecular pattern (PAMP or DAMP, respectively)1. During infection, live pathogens can induce the release of multiple PAMPs and DAMPs, which can simultaneously engage multiple inflammasome sensors2-5. Here we found that AIM2 regulates the innate immune sensors pyrin and ZBP1 to drive inflammatory signalling and a form of inflammatory cell death known as PANoptosis, and provide host protection during infections with herpes simplex virus 1 and Francisella novicida. We also observed that AIM2, pyrin and ZBP1 were members of a large multi-protein complex along with ASC, caspase-1, caspase-8, RIPK3, RIPK1 and FADD, that drove inflammatory cell death (PANoptosis). Collectively, our findings define a previously unknown regulatory and molecular interaction between AIM2, pyrin and ZBP1 that drives assembly of an AIM2-mediated multi-protein complex that we term the AIM2 PANoptosome and comprising multiple inflammasome sensors and cell death regulators. These results advance the understanding of the functions of these molecules in innate immunity and inflammatory cell death, suggesting new therapeutic targets for AIM2-, ZBP1- and pyrin-mediated diseases | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a AIM2 protein, human |2 NLM | |
| 650 | 7 | |a Aim2 protein, mouse |2 NLM | |
| 650 | 7 | |a Cytokines |2 NLM | |
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| 650 | 7 | |a Pyrin |2 NLM | |
| 650 | 7 | |a RNA-Binding Proteins |2 NLM | |
| 650 | 7 | |a ZBP1 protein, human |2 NLM | |
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| 700 | 1 | |a Karki, Rajendra |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yaqiu |e verfasserin |4 aut | |
| 700 | 1 | |a Nguyen, Lam Nhat |e verfasserin |4 aut | |
| 700 | 1 | |a Kalathur, Ravi C |e verfasserin |4 aut | |
| 700 | 1 | |a Kanneganti, Thirumala-Devi |e verfasserin |4 aut | |
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