Antioxidants and Their Role in Mitigating Oxidative Stress: Mechanisms and Benefits
Keywords:
Antioxidants, Oxidative Stress, Reactive Oxygen Species (ROS), Free Radicals, Cellular Protection, Therapeutic Applications
Abstract
Antioxidants play a crucial role in mitigating oxidative stress, a condition caused by an imbalance between reactive oxygen species (ROS) and the body's antioxidant defense systems. Oxidative stress is associated with various pathologies, including aging, cardiovascular diseases, cancer, and neurodegenerative disorders. Antioxidants, which can be either endogenous or exogenous, neutralize free radicals and reactive molecules by donating electrons, thus preventing cellular damage. Key antioxidants include enzymes like superoxide dismutase (SOD), catalase, and glutathione peroxidase, as well as non-enzymatic compounds like vitamin C, vitamin E, and flavonoids. The mechanisms by which antioxidants counteract oxidative damage involve direct scavenging of free radicals, upregulation of endogenous antioxidant defenses, and modulation of signaling pathways that influence cell survival and inflammation. Increasing evidence highlights the potential therapeutic benefits of antioxidants in managing oxidative stress-related diseases, but challenges remain in determining their efficacy in clinical settings. This review explores the biochemical mechanisms of antioxidants, their role in cellular protection, and their potential therapeutic applications in mitigating oxidative stress-related pathologies
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Published
2024-11-25
How to Cite
Shurooq Asaad Abdulameer Shaher, Ali Moojid Fadheel, & Ali Kareem Hameed. (2024). Antioxidants and Their Role in Mitigating Oxidative Stress: Mechanisms and Benefits. Central Asian Journal of Medical and Natural Science, 6(1), 34-53. Retrieved from https://cajmns.centralasianstudies.org/index.php/CAJMNS/article/view/2668
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Articles
