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Updated: May 28, 2026

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
New targets to treat the structural remodeling of the myocardium
Arantxa González1, Susana Ravassa, Javier Beaumont
1Division of Cardiovascular Sciences, Centre of Applied Medical Research, University of Navarra, Pamplona, Spain.
Insights
New heart failure therapies target pathological remodeling of the heart muscle. Understanding mechanisms of cardiomyocyte death and inflammation offers novel treatment strategies to reverse cardiac damage.
Area of Science:
- Cardiology
- Pathology
- Molecular Biology
Background:
- Current heart failure treatment focuses on predisposing factors and neurohumoral activation.
- Pathological structural remodeling of the myocardium is increasingly recognized as a therapeutic target.
- Chronic injury leads to cardiomyocyte and non-cardiomyocyte damage, including inflammation and altered collagen matrix.
Purpose of the Study:
- To review recent insights into the mechanisms of myocardial structural remodeling in heart failure.
- To identify novel therapeutic targets for preventing or reversing pathological remodeling.
- To explore future therapeutic strategies based on experimental and pilot clinical studies.
Main Methods:
- Review of experimental studies on myocardial remodeling.
- Analysis of pilot clinical studies investigating novel therapeutic targets.
- Examination of mechanisms governing cardiomyocyte growth/death, inflammation, and matrix alterations.
Main Results:
- Growing knowledge of remodeling mechanisms enhances understanding of current therapies.
- New therapeutic targets identified for intervention in inflammation and matrix alterations.
- Potential to develop strategies to prevent or reverse cardiomyocyte death.
Conclusions:
- Direct intervention on pathological myocardial remodeling represents a paradigm shift in heart failure therapy.
- Understanding the complex interplay of remodeling mechanisms is crucial for developing effective treatments.
- Future therapies may focus on reversing inflammation, matrix changes, and cardiomyocyte death to improve cardiac function.
Abstract:
Classical therapy of heart failure is based on treatment of its pre-disposing/triggering factors and of the neurohumoral activation secondary to the deterioration of cardiac function. A new view is emerging that proposes the direct intervention on the pathological structural remodeling of the myocardium as part of heart failure therapy. In fact, in conditions of chronic injury, the cardiomyocytic and the noncardiomyocytic components of the myocardium undergo a series of structural lesions (i.e., cardiomyocyte growth and death, inflammation, alterations of collagen matrix, and microvascular rarefaction) that are governed by a complex interplay of mechanisms. Our increasing knowledge of the role of these mechanisms in remodeling enables us not only to better understand how our more successful therapies work but also to explore novel therapies for the future. In this paper, we will examine recent insights from experimental and pilot clinical studies that have provided new targets for interventions to prevent or reverse inflammation, alterations of collagen matrix, and cardiomyocyte death.
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