Abstract
Sarcopenia could be currently defined as a geriatric syndrome initially characterized by a decrease in muscle mass that will get worse causing deterioration in strength and physical performance. A negative protein turnover, impaired mitochondrial dynamics and functions, a decreased muscle regeneration capacity, as well as an exacerbation of apoptosis are usually considered to be cellular mechanisms involved in muscle atrophy leading to sarcopenia. In this review, we first present that muscle overproduction of reactive oxygen and nitrogen species (RONS) and oxidative stress observed during aging are associated with sarcopenia, and then discuss how RONS are involved in redox-sensitive signaling pathways leading to sarcopenia. The identification of cost-effectiveness interventions to maintain muscle mass and physical functions in the elderly is one of the most important public health challenges. Here, we also discuss about the efficiency of different kind of antioxidant strategies against sarcopenia. Since exercise is the best strategy to prevent and reverse sarcopenia, we also highlight that exercise acts as an antioxidant.
Keywords: Aging, sarcopenia, oxidative stress, antioxidant, exercise, muscle.
Current Pharmaceutical Design
Title:Oxidative Stress, Sarcopenia, Antioxidant Strategies and Exercise: Molecular Aspects
Volume: 22 Issue: 18
Author(s): Thomas Brioche and Sophie Lemoine-Morel
Affiliation:
Keywords: Aging, sarcopenia, oxidative stress, antioxidant, exercise, muscle.
Abstract: Sarcopenia could be currently defined as a geriatric syndrome initially characterized by a decrease in muscle mass that will get worse causing deterioration in strength and physical performance. A negative protein turnover, impaired mitochondrial dynamics and functions, a decreased muscle regeneration capacity, as well as an exacerbation of apoptosis are usually considered to be cellular mechanisms involved in muscle atrophy leading to sarcopenia. In this review, we first present that muscle overproduction of reactive oxygen and nitrogen species (RONS) and oxidative stress observed during aging are associated with sarcopenia, and then discuss how RONS are involved in redox-sensitive signaling pathways leading to sarcopenia. The identification of cost-effectiveness interventions to maintain muscle mass and physical functions in the elderly is one of the most important public health challenges. Here, we also discuss about the efficiency of different kind of antioxidant strategies against sarcopenia. Since exercise is the best strategy to prevent and reverse sarcopenia, we also highlight that exercise acts as an antioxidant.
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Cite this article as:
Brioche Thomas and Lemoine-Morel Sophie, Oxidative Stress, Sarcopenia, Antioxidant Strategies and Exercise: Molecular Aspects, Current Pharmaceutical Design 2016; 22 (18) . https://dx.doi.org/10.2174/1381612822666160219120531
DOI https://dx.doi.org/10.2174/1381612822666160219120531 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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