Cited by 102Muscle metabolism and nutritionMuscle Physiology and DisordersMetabolism, Diabetes, and Cancer

Mechanotransduction and the regulation of protein synthesis in skeletal muscle

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Hornberger, T. A., Esser, K. A.·2004·Proceedings of The Nutrition Society

Abstract

Repeated bouts of resistance exercise produce an increase in skeletal muscle mass. The accumulation of protein associated with the growth process results from a net increase in protein synthesis relative to breakdown. While the effect of resistance exercise on muscle mass has long been recognized, the mechanisms underlying the link between high-resistance contractions and the regulation of protein synthesis and breakdown are, to date, poorly understood. In the present paper skeletal muscle will be viewed as a mechanosensitive cell type and the possible mechanisms through which mechanically-induced signalling events lead to changes in rates of protein synthesis will be examined.

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Crossref · 10.1079/pns2004357

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  • Murine synergistic ablation models cannot faithfully replicate the transcriptomic kinetics induced by voluntary resistance exercise in humans.

    “While murine models utilizing synergistic ablation offer profound mechanistic insights, the extreme, non-physiological nature of such surgical overload cannot faithfully replicate the transcriptomic kinetics induced by voluntary resistance exercise in humans [83,84].”

    From Ribosome Biogenesis as a Putative Bottleneck to Skeletal Muscle Hypertrophy: Mechanisms, Human Evidence, and Practical Modulators (2026) · cites this paper as [84]

    The “Specificity in mechanotransduction” section says different mechanical loads can produce different adaptations, but it does not compare murine synergistic ablation with voluntary human resistance exercise. Searches for surgical overload and transcriptomic kinetics found no passage addressing whether the model can replicate the human time course; page numbers were unavailable in our copy. (LLM, conf=0.72)

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Authors
Hornberger, T. A., & Esser, K. A.
Affiliations
University of Illinois Chicago (US)
Venue
Proceedings of The Nutrition Society
Published
2004-05
Volume
63
Issue
2
Pages
331-335
ISSN
  • 0029-6651 (ISSN-L)
  • 1475-2719
OpenAlex
W2063515332
Cited by
102
References
25
Citations by year
2026: 6 · 2025: 2 · 2024: 3 · 2023: 4 · 2022: 5 · 2021: 1 · 2020: 8 · 2019: 5 · 2018: 3 · 2017: 4 · 2016: 4 · 2015: 4 · 2014: 10 · 2013: 7 · 2012: 7
FWCI
1.51
Type
journal article
Language
en
Open access
Locations
  • Proceedings of The Nutrition Society (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Aeronautics and Space Administration
  • Pfizer
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR 45617, R01AR045617)
Topics
  • 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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
mechanotransduction, protein synthesis, skeletal muscle, resistance training, muscle hypertrophy, mechanosensitive cells, mechanical signalling, protein degradation, muscle mass
MeSH terms
Humans, Hypertrophy, Muscle Contraction, Muscle Proteins, Protein Biosynthesis, Weight Lifting, Exercise, Muscle, Skeletal

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