Cited by 78Nutrition and Health in AgingMuscle metabolism and nutritionMuscle Physiology and Disorders

Role of dietary protein and muscular fitness on longevity and aging

Open access
Strasser, Barbara, Volaklis, Konstantinos, Fuchs, Dietmar, Burtscher, Martin·2018·Aging and Disease

Abstract

Muscle atrophy is an unfortunate effect of aging and many diseases and can compromise physical function and impair vital metabolic processes. Low levels of muscular fitness together with insufficient dietary intake are major risk factors for illness and mortality from all causes. Ultimately, muscle wasting contributes significantly to weakness, disability, increased hospitalization, immobility, and loss of independence. However, the extent of muscle wasting differs greatly between individuals due to differences in the aging process per se as well as physical activity levels. Interventions for sarcopenia include exercise and nutrition because both have a positive impact on protein anabolism but also enhance other aspects that contribute to well-being in sarcopenic older adults, such as physical function, quality of life, and anti-inflammatory state. The process of aging is accompanied by chronic immune activation, and sarcopenia may represent a consequence of a counter-regulatory strategy of the immune system. Thereby, the kynurenine pathway is induced, and elevation in the ratio of kynurenine to tryptophan concentrations, which estimates the tryptophan breakdown rate, is often linked with inflammatory conditions and neuropsychiatric symptoms. A combined exercise program consisting of both resistance-type and endurance-type exercise may best help to ameliorate the loss of skeletal muscle mass and function, to prevent muscle aging comorbidities, and to improve physical performance and quality of life. In addition, the use of dietary protein supplementation can further augment protein anabolism but can also contribute to a more active lifestyle, thereby supporting well-being and active aging in the older population.

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  • Dietary protein supplementation can enhance cellular protein synthesis and metabolism.

    “Dietary protein supplementation can also enhance cellular protein synthesis and metabolism [74].”

    From Diet and Skin Aging—From the Perspective of Food Nutrition (2020) · cites this paper as [74]

  • Ingesting sufficient protein can help healing pressure ulcers in rats, while both excess and inadequate protein intake are detrimental to ulcer healing.

    “Studies have shown that ingesting sufficient protein can help in healing pressure ulcers in rats, while both excess and inadequate protein intake are detrimental to ulcer healing.”

    From Diet and Skin Aging—From the Perspective of Food Nutrition (2020) · cites this paper as [74]

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Authors
Strasser, B., Volaklis, K., Fuchs, D., & Burtscher, M.
Affiliations
  • Innsbruck Medical University (AT)
  • Technical University of Munich (DE)
Corresponding author
Strasser, Barbara
Venue
Aging and Disease
Published
2018
Volume
9
Issue
1
Pages
119
ISSN
2152-5250 (ISSN-L)
OpenAlex
W2784598358
Cited by
78
References
144
Citations by year
2026: 7 · 2025: 7 · 2024: 9 · 2023: 7 · 2022: 3 · 2021: 14 · 2020: 13 · 2019: 12 · 2018: 6
FWCI
1.47
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Aging and Disease (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
sarcopenia, muscle atrophy, dietary protein, muscular fitness, longevity, aging, protein anabolism, resistance training, endurance exercise, kynurenine pathway, chronic immune activation, inflammation, physical function, active ageing, older adults, protein supplementation

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