The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
IRF3 and type I interferons fuel a fatal response to myocardial infarction
Open accessAbstract
Interferon regulatory factor 3 (IRF3) and type I interferons (IFNs) protect against infections and cancer, but excessive IRF3 activation and type I IFN production cause autoinflammatory conditions such as Aicardi–Goutières syndrome and STING-associated vasculopathy of infancy (SAVI). Myocardial infarction (MI) elicits inflammation, but the dominant molecular drivers of MI-associated inflammation remain unclear. Here we show that ischemic cell death and uptake of cell debris by macrophages in the heart fuel a fatal response to MI by activating IRF3 and type I IFN production. In mice, single-cell RNA-seq analysis of 4,215 leukocytes isolated from infarcted and non-infarcted hearts showed that MI provokes activation of an IRF3–interferon axis in a distinct population of interferon-inducible cells (IFNICs) that were classified as cardiac macrophages. Mice genetically deficient in cyclic GMP-AMP synthase (cGAS), its adaptor STING, IRF3, or the type I IFN receptor IFNAR exhibited impaired interferon-stimulated gene (ISG) expression and, in the case of mice deficient in IRF3 or IFNAR, improved survival after MI as compared to controls. Interruption of IRF3-dependent signaling resulted in decreased cardiac expression of inflammatory cytokines and chemokines and decreased inflammatory cell infiltration of the heart, as well as in attenuated ventricular dilation and improved cardiac function. Similarly, treatment of mice with an IFNAR-neutralizing antibody after MI ablated the interferon response and improved left ventricular dysfunction and survival. These results identify IRF3 and the type I IFN response as a potential therapeutic target for post-MI cardioprotection.
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Self-citationImmunogenic cell stress and death
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The cGAS–cGAMP–STING pathway connects DNA damage to inflammation, senescence, and cancer
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Metadata
- Authors
- King, K. R., Aguirre, A. D., Ye, Y.-X., Sun, Y., Roh, J. D., Ng, R. P., Kohler, R. H., Arlauckas, S. P., Iwamoto, Y., Savol, A., Sadreyev, R. I., Kelly, M., Fitzgibbons, T. P., Fitzgerald, K. A., Mitchison, T., Libby, P., Nahrendorf, M., & Weissleder, R.
- Venue
- Nature Medicine
- Published
- 2017-11-06
- Volume
- 23
- Issue
- 12
- Pages
- 1481-1487
- ISSN
- 1078-8956 (ISSN-L)
- 1546-170X
- OpenAlex
- W2767983921
- Cited by
- 570
- References
- 13
- FWCI
- 14.23
- Type
- journal article
- Language
- en
- Open access
- green
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- King, K. R., Aguirre, A. D., Ye, Y.-X., Sun, Y., Roh, J. D., Ng, R. P., Kohler, R. H., Arlauckas, S. P., Iwamoto, Y., Savol, A., Sadreyev, R. I., Kelly, M., Fitzgibbons, T. P., Fitzgerald, K. A., Mitchison, T., Libby, P., Nahrendorf, M., & Weissleder, R. (2017). IRF3 and type I interferons fuel a fatal response to myocardial infarction. Nature Medicine. https://doi.org/10.1038/nm.4428
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