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Matrix Metalloproteinases in Myocardial Infarction and Heart Failure
Kristine Y DeLeon-Pennell1, Cesar A Meschiari2, Mira Jung2
1Mississippi Center for Heart Research, UMMC, Jackson, MS, United States; Research Service, G.V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, MS, United States.
Insights
Matrix metalloproteinases (MMPs) play a key role in cardiac remodeling after myocardial infarction (MI). Understanding MMPs and their products is crucial for preventing heart failure post-MI.
Area of Science:
- Cardiology
- Biochemistry
Background:
- Cardiovascular disease is the leading cause of death in the US.
- Heart failure significantly contributes to healthcare costs.
- Matrix metalloproteinases (MMPs) are implicated in cardiac remodeling post-myocardial infarction (MI).
Purpose of the Study:
- To elucidate the pathophysiological mechanisms of MMPs after MI.
- To investigate the role of MMPs and their cleavage products in heart failure development.
- To assess the potential of MMPs as biomarkers for MI and heart failure.
Main Methods:
- Review of existing literature on MMPs in cardiac remodeling.
- Analysis of MMP activity and its correlation with left ventricular dysfunction.
- Exploration of MMPs' role in extracellular matrix turnover and inflammation.
Main Results:
- MMPs increase post-MI and correlate with left ventricular dysfunction.
- MMPs are critical regulators of cardiac remodeling processes.
- MMP cleavage products have significant biological functions.
Conclusions:
- Further research into MMPs' role post-MI is essential for understanding heart failure.
- Targeting specific MMP actions may offer therapeutic strategies to prevent post-MI heart failure.
- MMPs and their cleavage products show promise as biomarkers and therapeutic targets.
Abstract:
Cardiovascular disease is the leading cause of death, accounting for 600,000 deaths each year in the United States. In addition, heart failure accounts for 37% of health care spending. Matrix metalloproteinases (MMPs) increase after myocardial infarction (MI) and correlate with left ventricular dysfunction in heart failure patients. MMPs regulate the remodeling process by facilitating extracellular matrix turnover and inflammatory signaling. Due to the critical role MMPs play during cardiac remodeling, there is a need to better understand the pathophysiological mechanism of MMPs, including the biological function of the downstream products of MMP proteolysis. Future studies developing new therapeutic targets that inhibit specific MMP actions to limit the development of heart failure post-MI are warranted. This chapter focuses on the role of MMPs post-MI, the efficiency of MMPs as biomarkers for MI or heart failure, and the future of MMPs and their cleavage products as targets for prevention of post-MI heart failure.