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Therapeutic Potential of Polyphenols in Cardiac Fibrosis
Ning Zhang1,2,3, Wen-Ying Wei1,2,3, Ling-Li Li1,2,3
1Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.
Insights
Polyphenols show potential in combating cardiac fibrosis, a key factor in heart disease. These natural compounds may offer a novel therapeutic strategy by targeting inflammation and oxidative stress.
Area of Science:
- Cardiovascular Research
- Pharmacology
- Natural Products
Background:
- Cardiac fibrosis, characterized by extracellular matrix accumulation, impairs heart function and is a hallmark of cardiovascular diseases.
- Current therapies like beta-blockers and RAAS inhibitors offer limited efficacy in halting fibrosis progression, especially in heart failure.
- Polyphenols, naturally occurring compounds, have emerged as potential agents against cardiac fibrosis.
Purpose of the Study:
- To review the mechanisms underlying cardiac fibrosis.
- To explore the anti-fibrotic and cardioprotective effects of polyphenols.
- To discuss the therapeutic potential of polyphenols in managing cardiac fibrosis.
Main Methods:
- Literature review of cardiac fibrosis mechanisms.
- Analysis of studies on polyphenol treatment in animal models of cardiac fibrosis.
- Synthesis of evidence on polyphenol-mediated signaling pathways.
Main Results:
- Polyphenols demonstrate anti-fibrotic effects by modulating inflammation, oxidative stress, and fibrotic molecular signals.
- Evidence suggests polyphenols can protect the myocardium from fibrosis-induced damage.
- Specific polyphenols have shown efficacy in various preclinical models of cardiac fibrosis.
Conclusions:
- Polyphenols represent a promising therapeutic avenue for cardiac fibrosis.
- Targeting inflammation and oxidative stress are key mechanisms through which polyphenols exert their protective effects.
- Further research into polyphenol-based therapies could lead to novel treatments for cardiovascular diseases involving fibrosis.
Abstract:
Cardiac fibrosis, in response to injury and stress, is central to a broad constellation of cardiovascular diseases. Fibrosis decreases myocardial wall compliance due to extracellular matrix (ECM) accumulation, leading to impaired systolic and diastolic function and causing arrhythmogenesis. Although some conventional drugs, such as β-blockers and renin-angiotensin-aldosterone system (RAAS) inhibitors, have been shown to alleviate cardiac fibrosis in clinical trials, these traditional therapies do not tend to target all the fibrosis-associated mechanisms, and do not hamper the progression of cardiac fibrosis in patients with heart failure. Polyphenols are present in vegetables, fruits, and beverages and had been proposed as attenuators of cardiac fibrosis in different models of cardiovascular diseases. Together with results found in the literature, we can show that some polyphenols exert anti-fibrotic and myocardial protective effects by mediating inflammation, oxidative stress, and fibrotic molecular signals. This review considers an overview of the mechanisms of cardiac fibrosis, illustrates their involvement in different animal models of cardiac fibrosis treated with some polyphenols and projects the future direction and therapeutic potential of polyphenols on cardiac fibrosis.
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