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October 1, 1995Cardiovascular Research

Molecular signalling mechanisms controlling growth and function of cardiac fibroblasts

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Key result

Angiotensin II, aldosterone, endothelins, and various growth factors regulate cardiac fibroblast proliferation and extracellular matrix remodeling through multiple complex signaling pathways.

Population

Cardiac fibroblasts

Design

Review

Authors

GBGeorge W. BoozHeart Failure & TransplantKBKenneth M. BakerTexas A&M Health Science Center

Discussion

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Implication

Supports pathway-targeted fibrosis research; leaves open clinical translation of specific inhibitors.

Key Points

  • This study aims to understand the molecular mechanisms that regulate growth and function of cardiac fibroblasts and their role in heart health.
  • Examined the effects of factors like angiotensin II, TGF-beta 1, and PDGF on cardiac fibroblast behavior.
  • Analyzed signalling pathways activated by angiotensin II in cardiac fibroblasts.
  • Utilized cultured cells to assess collagen synthesis and cell proliferation responses.
  • Angiotensin II promotes collagen synthesis and fibroblast proliferation, leading to increased ECM protein expression.
  • TGF-beta 1 and PDGF are found to significantly enhance collagen production in cardiac fibroblasts.
  • Integrin activation and mechanical stretch also contribute to fibroblast growth and ECM deposition.

Structured PICO

P
Population
Cardiac fibroblasts
I
Intervention
Angiotensin II and other regulatory factors (aldosterone, endothelins, TGF-beta 1, PDGF, cytokines, mechanical stretch)
O
Outcome
Extracellular matrix remodeling, collagen synthesis, and cell proliferationsurrogate

This review highlights the central role of Angiotensin II and its AT1 receptor signaling pathways in driving cardiac fibroblast proliferation and extracellular matrix remodeling.

Cite This Study

Booz et al. (1995) reported a review. Angiotensin II, aldosterone, endothelins, and various growth factors regulate cardiac fibroblast proliferation and extracellular matrix remodeling through multiple complex signaling pathways.

synapsesocial.com/papers/6a224dfe42d97c116a7fc7a8https://doi.org/10.1016/s0008-6363(96)88507-5

Topics

Hypertension management
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Hormonal regulation of cardiac fibroblast function1995 · 98 citations
  2. 2Antagonism of the renin-angiotensin-aldosterone system and collagen metabolism in cardiac fibroblasts1999 · 40 citations
  3. 3Characterization of angiotensin II receptors in cultured adult rat cardiac fibroblasts. Coupling to signaling systems and gene expression.1994 · 246 citations
  4. 4Induction of cardiac fibrosis by angiotensin II2000 · 84 citations
  5. 5The renin-angiotensin-aldosterone system and myocardial collagen matrix remodelling in congestive heart failure1995 · 107 citations