Cited by 8Muscle metabolism and nutritionMuscle Physiology and DisordersGenetics, Aging, and Longevity in Model Organisms

Resistance exercise protects mice from protein-induced fat accretion

Open access
Trautman, Michaela E, Braucher, Leah N, Elliehausen, Christian, Zhu, Wenyuan G, Zelenovskiy, Esther, Green, Madelyn, Sonsalla, Michelle M, Yeh, Chung-Yang +3 more·2023·eLife

Published version of a preprint

Abstract

Low-protein (LP) diets extend the lifespan of diverse species and are associated with improved metabolic health in both rodents and humans. Paradoxically, many athletes and bodybuilders consume high-protein (HP) diets and protein supplements, yet are both fit and metabolically healthy. Here, we examine this paradox using weight pulling, a validated progressive resistance exercise training regimen, in mice fed either an LP diet or an isocaloric HP diet. We find that despite having lower food consumption than the LP group, HP-fed mice gain significantly more fat mass than LP-fed mice when not exercising, while weight pulling protected HP-fed mice from this excess fat accretion. The HP diet augmented exercise-induced hypertrophy of the forearm flexor complex, and weight pulling ability increased more rapidly in the exercised HP-fed mice. Surprisingly, exercise did not protect from HP-induced changes in glycemic control. Our results confirm that HP diets can augment muscle hypertrophy and accelerate strength gain induced by resistance exercise without negative effects on fat mass, and also demonstrate that LP diets may be advantageous in the sedentary. Our results highlight the need to consider both dietary composition and activity, not simply calories, when taking a precision nutrition approach to health.

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Authors
Trautman, M. E., Braucher, L. N., Elliehausen, C., Zhu, W. G., Zelenovskiy, E., Green, M., Sonsalla, M. M., Yeh, C.-Y., Hornberger, T. A., Konopka, A. R., & Lamming, D. W.
Affiliations
University of Wisconsin–Madison (US)
Corresponding author
Lamming, Dudley W
Venue
eLife
Published
2023-11-29
Volume
12
ISSN
2050-084X (ISSN-L)
OpenAlex
W4387707410
Cited by
8
References
65
Citations by year
2026: 3 · 2025: 5
FWCI
1.15
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, public-domain)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institute on Aging (AG056771, AG067464, AG083290, AG077916, 3RF1AG056771-06S1, AG062328, AG061635, AG081482, AG084156, AG076941)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR057347, AR074932)
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 › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
resistance training, high-protein diet, low-protein diet, muscle hypertrophy, strength gain, glycemic control, sedentary lifestyle, personalized nutrition, lifespan extension
MeSH terms
Diet, High-Protein, Glycemic Control, Animals, Humans, Hypertrophy, Cadherins, Mice, Resistance Training

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