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Updated: Jun 11, 2025
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A Flow Cytometry-based Assay for Measuring Mitochondrial Membrane Potential in Cardiac Myocytes After Hypoxia/Reoxygenation
Published on: July 13, 2018
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Melatonin regulates mitochondrial dynamics and mitophagy: Cardiovascular protection
Sohrab Rahmani1,2, Ali Roohbakhsh2,3, Vahid Pourbarkhordar1,2
1Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran.
Journal of Cellular and Molecular Medicine
|September 27, 2024
Summary
Melatonin protects the heart by regulating mitochondrial dynamics and mitophagy, crucial processes for cellular health. This hormone enhances cardiovascular function and combats heart disease by improving mitochondrial quality control.
Area of Science:
- Cardiovascular Research
- Mitochondrial Biology
- Pharmacology
Background:
- Cardiovascular diseases (CVD) remain a leading global cause of death despite medical advances.
- Mitochondrial dynamics (fission/fusion) and mitophagy are vital for maintaining mitochondrial health and cellular homeostasis.
- Melatonin (Mel), a hormone, has shown cardioprotective effects in various nonclinical studies.
Purpose of the Study:
- To review the scientific literature on the cardioprotective effects of melatonin.
- To investigate the role of melatonin in regulating mitochondrial dynamics and mitophagy in cardiovascular diseases.
- To explore the signaling pathways involved in melatonin's protective mechanisms against CVD.
Main Methods:
- Literature review of in-vivo and in-vitro studies.
- Analysis of research on melatonin's effects on mitochondrial dynamics proteins (mitofusin, DRP1).
- Assessment of melatonin's impact on mitophagy-related proteins and pathways.
Main Results:
- Melatonin demonstrates cardioprotection against ischemia/reperfusion, cardiomyopathies, atherosclerosis, and cardiotoxicity.
- Melatonin modulates mitochondrial dynamics by upregulating mitofusin and inhibiting DRP1.
- Melatonin influences mitophagy-related proteins, contributing to quality control of mitochondria.
Conclusions:
- Melatonin plays a significant role in regulating mitochondrial dynamics and mitophagy.
- These effects contribute to melatonin's cardioprotective properties in cardiovascular diseases.
- Targeting mitochondrial dynamics and mitophagy represents a potential therapeutic strategy for CVD.
Keywords:
cardiovascular diseasedynamin‐related protein 1heartmelatoninmitochondrial fissionmitochondrial fusionmitophagyMore Related Videos
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