Targeting reactive oxygen species (ROS) to combat the age-related loss of muscle mass and function

Area of Science:

• Gerontology
• Muscle Physiology
• Oxidative Stress

Background:

• Sarcopenia, the age-related loss of muscle mass and function, significantly impacts quality of life.
• It involves muscle fiber loss, reduced cross-sectional area, and decreased force output.
• Underlying mechanisms include inflammation, protein metabolism dysregulation, denervation, and redox imbalance.

Purpose of the Study:

• To review current research on therapies targeting reactive oxygen species (ROS) in sarcopenia.
• To evaluate the impact of these interventions on age-related muscle mass and function.
• To explore the role of redox homeostasis and mitochondrial function in aging muscle.

Main Methods:

• Literature review of studies investigating ROS-targeted therapies for sarcopenia.
• Analysis of nutritional interventions (e.g., Vitamin E/C, resveratrol).
• Evaluation of pharmacological compounds (e.g., SS-31, MitoQ) targeting ROS and mitochondria.

Main Results:

• Evidence suggests modified ROS generation, redox dis-homeostasis, and mitochondrial dysfunction contribute to sarcopenia.
• Nutritional and pharmacological interventions show potential in mitigating age-related muscle decline.
• Targeting aberrant ROS generation is a promising therapeutic strategy.

Conclusions:

• Aberrant ROS generation and mitochondrial dysfunction are key players in sarcopenia.
• Targeted therapies, including nutritional and pharmacological approaches, offer potential to counteract age-related muscle loss.
• Further research is needed to fully elucidate and optimize these interventions.