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Permanent Ligation of the Left Anterior Descending Coronary Artery in Mice: A Model of Post-myocardial Infarction Remodelling and Heart Failure
Published on: December 2, 2014
Implication of cardiac remodeling in heart failure: mechanisms and therapeutic strategies
Hiroyuki Takano1, Hiroshi Hasegawa, Toshio Nagai
1Department of Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine, Chiba.
Insights
Cardiac remodeling, a process involving heart muscle and other cells, contributes to cardiovascular disease progression. Modulating this process offers a promising strategy for preventing heart failure.
Area of Science:
- Cardiology
- Molecular Biology
- Pathophysiology
Background:
- Left ventricular remodeling is a key factor in the progression of cardiovascular diseases.
- This process involves cardiac myocytes, fibroblasts, extracellular matrix, and vasculature.
- Remodeling is influenced by neurohumoral factors, cytokines, enzymes, and stress.
Purpose of the Study:
- To review the evolving concept and clinical implications of cardiac remodeling.
- To elucidate the molecular mechanisms underlying cardiac remodeling.
- To explore novel therapeutic strategies targeting cardiac remodeling for heart failure.
Main Methods:
- Literature review and synthesis of recent research findings.
- Analysis of molecular mediators and cellular components involved in remodeling.
- Evaluation of therapeutic interventions aimed at modulating cardiac remodeling.
Main Results:
- Cardiac remodeling, initially adaptive, becomes maladaptive, leading to decompensation.
- Numerous molecular and cellular factors contribute to the remodeling process.
- Targeting remodeling pathways shows potential in preventing heart failure progression.
Conclusions:
- Understanding cardiac remodeling is crucial for managing cardiovascular diseases.
- Modulation of cardiac remodeling is an effective strategy to prevent heart failure.
- Further research into molecular mechanisms can yield novel therapeutic targets.
Abstract:
The concept and clinical implication of left ventricular remodeling have been gradually extended. Cardiac remodeling plays important roles in the progression of cardiovascular diseases including myocardial infarction, valvular heart diseases, myocarditis, and dilated cardiomyopathy. In addition to cardiac myocytes, fibroblasts, extracellular matrix proteins and coronary vasculature are also involved in the remodeling process. Cardiac remodeling is associated with alterations of many mediators such as neurohumoral factors, cytokines, enzymes, ion channels, oxidative stress and mechanical stress. Although remodeling is initially an adaptive response to maintain normal cardiac function, it gradually becomes maladaptive and leads to progressive decompensation. Recent research has attempted to elucidate underlying molecular mechanisms of cardiac remodeling and to develop novel therapeutic strategies for heart failure. The modulation of remodeling process is effective for preventing the progression of heart failure.
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