The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
The age-related loss of skeletal muscle mass and function: Measurement and physiology of muscle fibre atrophy and muscle fibre loss in humans
Open accessAbstract
Age-related loss of skeletal muscle mass and function, sarcopenia, is associated with physical frailty and increased risk of morbidity (chronic diseases), in addition to all-cause mortality. The loss of muscle mass occurs incipiently from middle-age (∼1%/year), and in severe instances can lead to a loss of ∼50% by the 8-9th decade of life. This review will focus on muscle deterioration with ageing and highlight the two underpinning mechanisms regulating declines in muscle mass and function: muscle fibre atrophy and muscle fibre loss (hypoplasia) - and their measurement. The mechanisms of muscle fibre atrophy in humans relate to imbalances in muscle protein synthesis (MPS) and breakdown (MPB); however, since there is limited evidence for basal alterations in muscle protein turnover, it would appear that "anabolic resistance" to fundamental environmental cues regulating diurnal muscle homeostasis (namely physical activity and nutrition), underlie age-related catabolic perturbations in muscle proteostasis. While the 'upstream' drivers of the desensitization of aged muscle to anabolic stimuli are poorly defined, they most likely relate to impaired efficiency of the conversion of nutritional/exercise stimuli into signalling impacting mRNA translation and proteolysis. Additionally, loss of muscle fibres has been shown in cadaveric studies using anatomical fibre counts, and from iEMG studies demonstrating motor unit loss, albeit with few molecular investigations of this in humans. We suggest that defining countermeasures against sarcopenia requires improved understandings of the co-ordinated regulation of muscle fibre atrophy and fibre loss, which are likely to be inextricably linked.
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Cites
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Cited by
Physical activity and exercise: Strategies to manage frailty
Angulo, J., El Assar, M., Álvarez-Bustos, A., & Rodríguez-Mañas, L. (2020) · Redox Biology · doi:10.1016/j.redox.2020.101513 · Cited by 771
Sarcopenia and Cardiovascular Diseases
Damluji, A. A., Alfaraidhy, M., AlHajri, N., Rohant, N. N., Kumar, M., Al Malouf, C., Bahrainy, S., Ji Kwak, M., Batchelor, W. B., Forman, D. E., et al. (2023) · Circulation · doi:10.1161/circulationaha.123.064071 · Cited by 645
El Assar, M., Álvarez-Bustos, A., Sosa, P., Angulo, J., & Rodríguez-Mañas, L. (2022) · International Journal of Molecular Sciences · doi:10.3390/ijms23158713 · Cited by 371
Advances in muscle health and nutrition: A toolkit for healthcare professionals
Prado, C. M., Landi, F., Chew, S. T. H., Atherton, P. J., Molinger, J., Ruck, T., & Gonzalez, M. C. (2022) · Clinical Nutrition · doi:10.1016/j.clnu.2022.07.041 · Cited by 237
Self-citationPhysical Exercise in the Oldest Old
Valenzuela, P. L., Castillo‐García, A., Morales, J. S., Izquierdo, M., Serra‐Rexach, J. A., Santos‐Lozano, A., & Lucia, A. (2019) · Comprehensive Physiology · doi:10.1002/cphy.c190002 · Cited by 152
Metadata
- Authors
- Wilkinson, D. J., Piasecki, M., & Atherton, P. J.
- Venue
- Ageing Research Reviews
- Publisher
- Elsevier BV
- Published
- 2018-11
- Volume
- 47
- Pages
- 123-132
- ISSN
- 1568-1637 (ISSN-L)
- OpenAlex
- W2884048133
- Cited by
- 874
- References
- 46
- FWCI
- 3.43
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Wilkinson, D. J., Piasecki, M., & Atherton, P. J. (2018). The age-related loss of skeletal muscle mass and function: Measurement and physiology of muscle fibre atrophy and muscle fibre loss in humans. Ageing Research Reviews. https://doi.org/10.1016/j.arr.2018.07.005
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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