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Updated: Jul 13, 2026
09:11
Cell-based Therapy for Heart Failure in Rat: Double Thoracotomy for Myocardial Infarction and Epicardial Implantation of Cells and Biomatrix
Published on: September 22, 2014
[Cellular therapy in cardiology].
1Département de chirurgie cardiovasculaire, hôpital européen Georges-Pompidou, Assistance publique-Hôpitaux de Paris, université Paris-5, Inserm U633, 20, rue Leblanc, 75908 Paris cedex 15, France. philippe.menasche@hop.egp.ap-hop-paris.fr
Comptes Rendus Biologies
|July 17, 2007
Summary
Cardiac cell therapy shows mixed results, with adult stem cells failing to regenerate heart muscle. Future research should focus on embryonic stem cells for true cardiac regeneration.
Area of Science:
- Cardiology
- Regenerative Medicine
- Stem Cell Biology
Context:
- Cardiac cell therapy was developed to regenerate heart muscle after infarction.
- The first randomized trials in acute myocardial infarction, heart failure, and refractory angina have been completed.
- Six years post-initial human application necessitates a review of trial outcomes.
Purpose:
- To review the results of early randomized cardiac cell therapy trials.
- To analyze the efficacy and mechanisms of cardiac cell therapy.
- To identify future research directions for cardiac regeneration.
Summary:
- Early cardiac cell therapy trials yielded mixed results, with limited and often transient benefits.
- Adult stem cells (muscular, bone marrow-derived) do not generate new cardiomyocytes.
- Therapeutic benefits appear mediated by paracrine effects, limiting adverse remodeling and promoting angiogenesis.
- Cell transfer and post-engraftment survival remain critical challenges.
Impact:
- Findings indicate current adult stem cell therapies have limited regenerative capacity.
- Understanding of cell therapy mechanisms is evolving towards paracrine signaling and anti-remodeling effects.
- Future research must address cell delivery and survival to optimize therapeutic potential.
- Embryonic stem cells show promise for true cardiac regeneration.
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