Cardiac fibroblasts in myocardial injury and heart failure

Sophie Van Linthout1,2,3, Isabell Matz1,2, Arantxa González4,5

  • 1Berlin Institute of Health at Charité-Universitätsmedizin Berlin, BIH Center for Regenerative Therapies (BCRT), Föhrer Strasse 15, Berlin 13353, Germany.

European Heart Journal
|November 25, 2025
PubMed

Insights

Cardiac fibrosis, a key factor in heart failure, involves fibroblast cells and extracellular matrix changes. New research clarifies fibroblast roles, guiding the development of targeted anti-fibrotic therapies.

Area of Science:

  • Cardiovascular Biology
  • Cellular and Molecular Medicine
  • Fibrosis Research

Background:

  • Cardiac fibrosis significantly contributes to heart failure progression.
  • Aberrant extracellular matrix deposition impairs cardiac function.
  • Limited understanding of fibroblast heterogeneity hinders effective anti-fibrotic treatments.

Purpose of the Study:

  • To review the evolving understanding of cardiac fibroblast biology in myocardial fibrosis.
  • To emphasize fibroblast roles in inflammation and extracellular matrix dysregulation.
  • To highlight emerging therapeutic strategies targeting cardiac fibroblasts.

Main Methods:

  • Review of recent literature on cardiac fibrosis and fibroblast biology.
  • Integration of findings from lineage tracing and single-cell omics studies.
  • Analysis of fibroblast interactions with cardiomyocytes and endothelial cells.

Main Results:

  • Fibroblasts are diverse stromal cells crucial for cardiac tissue homeostasis and pathological remodeling.
  • Distinct fibroblast states and dynamic roles in fibrosis are increasingly recognized.
  • Technological advances are unraveling fibroblast complexity in the heart.

Conclusions:

  • Understanding fibroblast heterogeneity is critical for developing targeted anti-fibrotic therapies.
  • Emerging strategies focus on selectively modulating fibroblast activity.
  • Mechanosensitive therapies represent a promising avenue for treating cardiac fibrosis.

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