UNLOCKING THE POTENTIAL OF COENZYME Q10: FROM CELLULAR ENERGY TO CLINICAL APPLICATIONS
Abstract
Coenzyme Q10 (CoQ10) is a lipid-soluble molecule with a benzoquinone core and a polyisoprenoid side chain, playing a vital role in mitochondrial electron transport and cellular antioxidant defense. Although often regarded as a vitamin-like compound, CoQ10 is endogenously synthesized through a multi-step process involving the mevalonate pathway. It is primarily found in metabolically active tissues such as the heart, liver, kidney, and skeletal muscle. CoQ10 exists in two interconvertible forms—ubiquinone and ubiquinol—essential for maintaining cellular redox balance. Apart from its role in oxidative phosphorylation, CoQ10 contributes to inflammation regulation, lipid metabolism, lysosomal function, and gene expression modulation.
Age-related decline and certain medications, particularly statins, reduce CoQ10 levels, potentially leading to mitochondrial dysfunction and associated disorders, including neurodegenerative diseases, cardiovascular conditions, and muscle-related pathologies. Supplementation with CoQ10, particularly in the form of Ubidecarenone, has been explored for its therapeutic potential in mitigating oxidative stress and improving mitochondrial function. Clinical studies suggest that CoQ10 supplementation may alleviate statin-induced myopathy and offer protective effects in neurodegenerative and retinal diseases, though bioavailability challenges limit its efficacy. Despite promising preclinical findings, the precise therapeutic dosage and long-term clinical benefits remain under investigation.
While synthetic derivatives like Idebenone show potential in neurodegenerative treatment, further research is required to establish optimal formulations and administration strategies. Standardizing dosing regimens and improving bioavailability are crucial to maximizing CoQ10’s clinical utility. This review highlights the diverse physiological roles of CoQ10 and its potential implications in aging, disease prevention, and therapeutic intervention.
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