Cited by 181Cardiac Fibrosis and RemodelingViral Infections and Immunology ResearchCardiomyopathy and Myosin Studies

Cardiac fibroblasts mediate IL-17A–driven inflammatory dilated cardiomyopathy

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Wu, Lei, Ong, SuFey, Talor, Monica V., Barin, Jobert G., Baldeviano, G. Christian, Kass, David A., Bedja, Djahida, Zhang, Hao +5 more·2014·Journal of Experimental Medicine

Abstract

Inflammatory dilated cardiomyopathy (DCMi) is a major cause of heart failure in individuals below the age of 40. We recently reported that IL-17A is required for the development of DCMi. We show a novel pathway connecting IL-17A, cardiac fibroblasts (CFs), GM-CSF, and heart-infiltrating myeloid cells with the pathogenesis of DCMi. Il17ra−/− mice were protected from DCMi, and this was associated with significantly diminished neutrophil and Ly6Chi monocyte/macrophage (MO/MΦ) cardiac infiltrates. Depletion of Ly6Chi MO/MΦ also protected mice from DCMi. Mechanistically, IL-17A stimulated CFs to produce key chemokines and cytokines that are critical downstream effectors in the recruitment and differentiation of myeloid cells. Moreover, IL-17A directs Ly6Chi MO/MΦ in trans toward a more proinflammatory phenotype via CF-derived GM-CSF. Collectively, this IL-17A–fibroblast–GM-CSF–MO/MΦ axis could provide a novel target for the treatment of DCMi and related inflammatory cardiac diseases.

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  • In mice with EAM, IL-17A secreted by pathogenic T cells directly stimulates fibroblasts, promoting production of cytokines and chemokines that actively recruit and differentiate inflammatory monocytes.

    “In mice with EAM, IL-17A secreted by pathogenic T cells directly stimulates fibroblasts, promoting the production of cytokines and chemokines that actively recruit and differentiate inflammatory monocytes”

    From Autoimmune Myocarditis, Old Dogs and New Tricks. (2024) · cites this paper as [77]

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Authors
Wu, L., Ong, S., Talor, M. V., Barin, J. G., Baldeviano, G. C., Kass, D. A., Bedja, D., Zhang, H., Sheikh, A., Margolick, J. B., Iwakura, Y., Rose, N. R., & Čiháková, D.
Affiliations
  • Johns Hopkins University (US)
  • United States Naval Medical Research Unit SOUTH (PE)
  • Research Institute for Biomedical Sciences, Tokyo University of Science (JP)
Venue
Journal of Experimental Medicine
Published
2014-06-16
Volume
211
Issue
7
Pages
1449-1464
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2083467607
Cited by
181
References
51
Citations by year
2026: 12 · 2025: 13 · 2024: 21 · 2023: 20 · 2022: 13 · 2021: 15 · 2020: 15 · 2019: 20 · 2018: 17 · 2017: 14 · 2016: 12 · 2015: 8 · 2014: 1
FWCI
8.02
Type
journal article
Language
en
Open access
Locations
  • The Journal of Experimental Medicine (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
Funders
  • Amgen
  • Johns Hopkins University
  • Children's Cardiomyopathy Foundation
  • National Institutes of Health (UL1TR001079)
  • National Heart, Lung, and Blood Institute (R01HL136586, R01HL113008, R01HL118183)
  • National Cancer Institute (R01CA289729)
  • National Center for Advancing Translational Sciences
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Viral Infections and Immunology Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiomyopathy and Myosin Studies
Keywords
inflammatory dilated cardiomyopathy, IL-17A, cardiac fibroblasts, GM-CSF, myeloid cells, neutrophils, chemokines, cytokines, heart failure, myeloid cell recruitment, pro-inflammatory phenotype, therapeutic target
MeSH terms
Animals, Cardiomyopathy, Dilated, Fibroblasts, Macrophages, Mice, Inbred BALB C, Monocytes, Myocardium, Neutrophils, Granulocyte-Macrophage Colony-Stimulating Factor, Mice, Knockout, Interleukin-17, Neutrophil Infiltration, Mice

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