Cited by 86Cardiac Fibrosis and RemodelingCongenital heart defects researchMesenchymal stem cell research

Pathogenic Potential of Hic1-Expressing Cardiac Stromal Progenitors

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Soliman, Hesham, Paylor, Ben, Scott, R. Wilder, Lemos, Dario R., Chang, ChihKai, Arostegui, Martin, Low, Marcela, Lee, Christina +9 more·2020·Cell Stem Cell

Published version of a preprint

Abstract

The cardiac stroma contains multipotent mesenchymal progenitors. However, lineage relationships within cardiac stromal cells are poorly defined. Here, we identified heart-resident PDGFRa+ SCA-1+ cells as cardiac fibro/adipogenic progenitors (cFAPs) and show that they respond to ischemic damage by generating fibrogenic cells. Pharmacological blockade of this differentiation step with an anti-fibrotic tyrosine kinase inhibitor decreases post-myocardial infarction (post-MI) remodeling and leads to improvement in cardiac function. In the undamaged heart, activation of cFAPs through lineage-specific deletion of the gene encoding the quiescence-associated factor HIC1 reveals additional pathogenic potential, causing fibrofatty infiltration within the myocardium and driving major pathological features pathognomonic in arrhythmogenic cardiomyopathy (AC). In this regard, cFAPs contribute to multiple pathogenic cell types within cardiac tissue and therapeutic strategies aimed at modifying their activity are expected to have tremendous benefit for the treatment of diverse cardiac diseases.

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Authors
Soliman, H., Paylor, B., Scott, R. W., Lemos, D. R., Chang, C., Arostegui, M., Low, M., Lee, C., Fiore, D., Braghetta, P., Pospichalova, V., Barkauskas, C. E., Korinek, V., Rampazzo, A., MacLeod, K., Underhill, T. M., & Rossi, F. M. V.
Affiliations
  • University of British Columbia (CA)
  • Harvard University (US)
  • Sapienza University of Rome (IT)
  • University of Padua (IT)
  • Duke University (US)
Corresponding author
Rossi, Fabio M.V.
Venue
Cell Stem Cell
Publisher
Elsevier BV
Published
2020-02
Volume
26
Issue
2
Pages
205-220.e8
ISSN
  • 1875-9777 (ISSN-L)
  • 1934-5909
OpenAlex
W3002539048
Cited by
86
References
55
Citations by year
2026: 3 · 2025: 11 · 2024: 13 · 2023: 10 · 2022: 14 · 2021: 19 · 2020: 15 · 2019: 1
FWCI
8.98
Type
journal article
Language
en
Update notices
erratum (2020-03-05)
Open access
Locations
  • Cell stem cell (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, cc-by-nc-nd)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion, other-oa)
Funders
  • Heart and Stroke Foundation of Canada
  • Canadian Institutes of Health Research
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Congenital heart defects research
  • Health Sciences › Medicine › Genetics › Mesenchymal stem cell research
Keywords
HIC1, myocardial fibrosis, arrhythmogenic cardiomyopathy, fibrofatty infiltration, PDGFRA, Sca-1, tyrosine kinase inhibitors, cardiac fibroblast differentiation, myocardial ischemia
MeSH terms
Cell Differentiation, Cells, Cultured, Heart, Myocardium, Adipogenesis

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