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Sarcopenia: An Age-Related Multifactorial Disorder.
Nibedita Priyadarsini1, Pranati Nanda1, Sujata Devi2
1Department of Physiology, All India Institute of Medical Sciences, Bhubaneswar, India.
Current Aging Science
|March 7, 2022
Summary
Sarcopenia, a decline in muscle mass and strength with aging, leads to adverse health outcomes in older adults. Understanding its mechanisms is key to developing effective treatments for improved quality of life.
Area of Science:
- Gerontology
- Muscle Physiology
Background:
- Sarcopenia is the age-related loss of skeletal muscle mass and strength.
- It is linked to negative health consequences in the elderly, including disability and mortality.
Purpose of the Study:
- To review the mechanisms underlying age-related sarcopenia.
- To inform the development of prophylactic and therapeutic strategies.
Main Methods:
- Literature review of studies on sarcopenia mechanisms.
Main Results:
- Identified contributing factors: anorexia, hormonal changes, reduced neural innervation, impaired blood flow, cytokine dysregulation, mitochondrial dysfunction, genomic instability, proteolysis, and insulin resistance.
Conclusions:
- Understanding sarcopenia's complex mechanisms is crucial for improving elderly quality of life.
- Further research can guide the development of interventions to combat age-related muscle decline.
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