Understanding Muscle Protein Dynamics: Technical Considerations for Advancing Sarcopenia Research
| Autor: | Sanghee Park, Il-Young Kim, Jiwoong Jang, Robert R. Wolfe |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Muscle protein
Sarcopenia Essential amino acids Invited Review Anabolism business.industry Osteoporosis lcsh:R Protein turnover Type 2 Diabetes Mellitus lcsh:Medicine lcsh:Geriatrics medicine.disease Muscle mass Bioinformatics Protein catabolism lcsh:RC952-954.6 Metabolism medicine Geriatrics and Gerontology business Stable isotope labeling |
| Zdroj: | Annals of Geriatric Medicine and Research Annals of Geriatric Medicine and Research, Vol 24, Iss 3, Pp 157-165 (2020) |
| ISSN: | 2508-4909 2508-4798 |
| Popis: | Sarcopenia, which is the loss of muscle mass and strength that occurs with aging, involves imbalanced muscle protein turnover (i.e., protein breakdown exceeding synthesis), which in turn exacerbates other clinical conditions such as type 2 diabetes mellitus, obesity, osteoporosis, and cancer, thereby worsening the quality of life in older adults. This imbalance is attributed in part to the resistance of aged muscle to anabolic stimuli such as dietary protein/amino acids and resistance exercise known as anabolic resistance. Despite research efforts, no practical therapeutics have been successfully discovered possibly because of a lack of understanding of the dynamic nature of muscle protein, and the use of indirect assessments of muscle mass. Herein, we briefly discuss the regulation of protein turnover in response to the abovementioned anabolic stimuli with respect to anabolic resistance and optimal protein intake, followed by methodological considerations for advancing sarcopenia research, including assessments of muscle mass and dynamics. |
| Databáze: | OpenAIRE |
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