Cited by 89Muscle Physiology and DisordersAdipose Tissue and MetabolismExercise and Physiological Responses

Exercise restores muscle stem cell mobilization, regenerative capacity and muscle metabolic alterations via adiponectin/AdipoR1 activation in SAMP10 mice

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Inoue, Aiko, Cheng, Xian Wu, Huang, Zhe, Hu, Lina, Kikuchi, Ryosuke, Jiang, Haiying, Piao, Limei, Sasaki, Takeshi +10 more·2017·Journal of Cachexia Sarcopenia and Muscle

Abstract

Abstract Background Exercise train (ET) stimulates muscle response in pathological conditions, including aging. The molecular mechanisms by which exercise improves impaired adiponectin/adiponectin receptor 1 (AdipoR1)‐related muscle actions associated with aging are poorly understood. Here we observed that in a senescence‐accelerated mouse prone 10 (SAMP10) model, long‐term ET modulated muscle‐regenerative actions. Methods 25‐week‐old male SAMP10 mice were randomly assigned to the control and the ET (45 min/time, 3/week) groups for 4 months. Mice that were maintained in a sedentary condition served controls. Results ET ameliorated aging‐related muscle changes in microstructure, mitochondria, and performance. The amounts of proteins or mRNAs for p‐AMPKα, p‐Akt, p‐ERK1/2, p‐mTOR, Bcl‐XL, p‐FoxO3, peroxisome proliferators‐activated receptor‐γ coactivator, adiponectin receptor1 (adpoR1), and cytochrome c oxidase‐IV, and the numbers of CD34+/integrin‐α7+ muscle stem cells (MuSCs) and proliferating cells in the muscles and bone‐marrow were enhanced by ET, whereas the levels of p‐GSK‐3α and gp91phox proteins and apoptotic cells were reduced by ET. The ET also resulted in increased levels of plasma adiponectin and the numbers of bone‐marrow (BM)‐derived circulating CD34+/integrin‐α7+ MuSCs and their functions. Integrin‐α7+ MuSCs of exercised mice had improved changes of those beneficial molecules. These ET‐mediated aged muscle benefits were diminished by adiponectin and AdipoR1 blocking as well as AMPK inhibition. Finally, recombinant mouse adiponectin enhanced AMPK and mTOR phosphorylations in BM‐derived integrin‐α7+ cells. Conclusions These findings suggest that ET can improve aging‐related impairments of BM‐derived MuSC regenerative capacity and muscle metabolic alterations via an AMPK‐dependent mechanism that is mediated by an adiponectin/AdipoR1 axis in SAMP10 mice.

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Authors
Inoue, A., Cheng, X. W., Huang, Z., Hu, L., Kikuchi, R., Jiang, H., Piao, L., Sasaki, T., Itakura, K., Wu, H., Zhao, G., Lei, Y., Yang, G., Zhu, E., Li, X., Sato, K., Koike, T., & Kuzuya, M.
Affiliations
  • Nagoya University (JP)
  • Kyung Hee University (KR)
  • University of Occupational and Environmental Health Japan (JP)
  • Nagoya University Hospital (JP)
  • Yanbian University (CN)
  • Yanbian University Hospital (CN)
  • Hamamatsu University (JP)
  • Institutes of Innovation for Future Society, Nagoya University (JP)
Corresponding author
Cheng, Xian Wu
Venue
Journal of Cachexia Sarcopenia and Muscle
Publisher
Wiley
Published
2016-11-29
Volume
8
Issue
3
Pages
370-385
ISSN
  • 2190-5991 (ISSN-L)
  • 2190-6009
OpenAlex
W2559359565
Cited by
89
References
55
Citations by year
2026: 8 · 2025: 10 · 2024: 7 · 2023: 13 · 2022: 14 · 2021: 6 · 2020: 11 · 2019: 8 · 2018: 9 · 2017: 3
FWCI
3.46
Type
journal article
Language
en
Open access
Locations
  • Journal of Cachexia Sarcopenia and Muscle (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • Ministry of Education, Culture, Sports, Science, and Technology of Japan (23390208, 22390143, 15H04801, 15H04802)
  • Japan Takeda Science Foundation (26-007596)
  • Novartis Aging and Geriatrics Research Foundation (25-7778)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
exercise training, muscle stem cells, adiponectin, AdipoR1, AMPK, mTOR signaling, muscle aging, bone marrow-derived stem cells, integrin alpha7, muscle regeneration, muscle metabolism, mitochondrial function, apoptosis, FOXO3, skeletal muscle
MeSH terms
Animals, Body Weight, Cell Movement, Lipids, Male, Mitochondria, Muscle, Muscles, Physical Conditioning, Animal, Regeneration, Signal Transduction, Biomarkers, Cytokines, Muscle, Skeletal, MAP Kinase Signaling System, Myoblasts, Mice, Adiponectin, Muscle Strength, Receptors, Adiponectin

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