Cited by 328interferon and immune responsesImmune Response and InflammationInflammasome and immune disorders

Interleukin-1β Induces mtDNA Release to Activate Innate Immune Signaling via cGAS-STING

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Aarreberg, Lauren D., Esser-Nobis, Katharina, Driscoll, Connor, Shuvarikov, Andrey, Roby, Justin A., Gale, Michael·2019·Molecular Cell

Abstract

Interleukin-1 beta (IL-1β) is a pleiotropic mediator of inflammation and is produced in response to a wide range of stimuli. During infection, IL-1β production occurs in parallel with the onset of innate antimicrobial defenses, but the contribution of IL-1β signaling to cell-intrinsic immunity is not defined. Here, we report that exogenous IL-1β induces interferon regulatory factor 3 (IRF3) activation in human myeloid, fibroblast, and epithelial cells. IRF3 activation by IL-1β is dependent upon the DNA-sensing pathway adaptor, stimulator of interferon genes (STING), through the recognition of cytosolic mtDNA by cyclic guanosine monophosphate (GMP)-AMP synthase (cGAS). IL-1β treatment results in interferon (IFN) production and activation of IFN signaling to direct a potent innate immune response that restricts dengue virus infection. This study identifies a new function for IL-1β in the onset or enhancement of cell-intrinsic immunity, with important implications for cGAS-STING in integrating inflammatory and microbial cues for host defense.

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Crossref · 10.1016/j.molcel.2019.02.038

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  • Mitochondrial DNA or mitochondrial RNA released into the cytosol through BAX-BAK macropores can activate cytosolic nucleic acid sensors independently of cell death, leading to type I interferon production.

    “mtDNA or mtRNA released into the cytosol via BAX–BAK macropores can activate nucleic acid sensors in the cytosol145 independently of cell death130,146,147, ultimately leading to the production of type I interferon”

    From The role of mitochondria in rheumatic diseases (2022) · cites this paper as [146]

    The Results and Discussion report that IL-1β induces cytosolic mtDNA release without detectable cell death, followed by cGAS–STING signaling and IFNB1 induction (pages not provided). The paper does not establish release through BAX–BAK macropores or show that mtRNA drives this response; its Discussion says the mechanism of mtDNA release remains unknown. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • IL-1β, a major SASP factor, can induce mtDNA release with subsequent activation of pro-inflammatory pathways.

    “IL-1β, a major SASP factor, can induce mtDNA release with subsequent activation of pro-inflammatory pathways (Aarreberg et al., 2019).”

    From Cytoplasmic DNA: sources, sensing, and role in aging and disease (2021) · cites this paper as Aarreberg et al., 2019

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Authors
Aarreberg, L. D., Esser-Nobis, K., Driscoll, C., Shuvarikov, A., Roby, J. A., & Gale, M.
Affiliations
University of Washington (US)
Corresponding author
Gale, Michael
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2019-05
Volume
74
Issue
4
Pages
801-815.e6
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2934093192
Cited by
328
References
58
Citations by year
2026: 39 · 2025: 37 · 2024: 65 · 2023: 60 · 2022: 41 · 2021: 47 · 2020: 31 · 2019: 8
FWCI
12.66
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Charles Sturt University Research Output (CRO) (submittedVersion, cc-by-nc-nd)
Funders
NIH (AI27463, AI118916, AI100625, AI104002, AI083019, T32AI106677-03)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › interferon and immune responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
Keywords
IL-1β, mitochondrial DNA release, cGAS-STING pathway, IRF3 activation, interferon signaling, innate immunity, dengue virus, cell-intrinsic immunity, DNA sensing, infection and inflammation
MeSH terms
STING Protein, Cyclic Guanosine Monophosphate-Adenosine Monophosphate Synthase, Dengue, Dengue Virus, DNA, Mitochondrial, Cyclic GMP, Humans, Immunity, Innate, Inflammation, Interferons, Membrane Proteins, Nucleotidyltransferases, Signal Transduction, Myeloid Cells, Interferon Regulatory Factor-3, Interleukin-1beta, Host-Pathogen Interactions

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