Cited by 154Muscle Physiology and DisordersCardiovascular and exercise physiologyMuscle metabolism and nutrition

Effects of endurance training on satellite cell frequency in skeletal muscle of old men.

Charifi, Nadia, Kadi, Fawzi, Féasson, Léonard, Denis, Christian·2003·Muscle & Nerve

Abstract

We investigated the effects of endurance training on satellite cells, which are a major component of the regenerative capacity of muscles. Muscle biopsies were obtained from the vastus lateralis of 11 men aged between 70 and 80 years who trained for 14 weeks (work load corresponding to 65-95% of peak oxygen consumption, VO(2) peak). Satellite cells were identified by immunohistochemistry. There was a significant increase in satellite cell number. Additionally, VO(2) peak, citrate synthase activity, and the area of type IIA fibers were significantly increased. Fiber type distribution and the myonuclear number were not significantly affected. The enhancement of satellite cell frequency and fiber area indicate that endurance training is an efficient strategy to improve muscle function in the elderly.

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Crossref · 10.1002/mus.10394

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Authors
Charifi, N., Kadi, F., Féasson, L., & Denis, C.
Affiliations
  • Université Jean Monnet (FR)
  • Örebro University (SE)
Corresponding author
Kadi, Fawzi
Venue
Muscle & Nerve
Publisher
Wiley
Published
2003-05-07
Volume
28
Issue
1
Pages
87-92
ISSN
  • 0148-639X (ISSN-L)
  • 1097-4598
OpenAlex
W2049041304
Cited by
154
References
30
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 5 · 2020: 7 · 2019: 7 · 2018: 4 · 2017: 4 · 2016: 6 · 2015: 13 · 2014: 12 · 2013: 8 · 2012: 10
FWCI
1.84
Type
journal article
Language
en
Open access
closed
Locations
  • Muscle & Nerve (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Centrum for Idrottsforskning (56/02)
  • Loo and Hans Ostermans Stiftelse, Karolinska Institutet, Örebro University
  • Région Rhône-Alpes
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
Keywords
endurance training, satellite cells, skeletal muscle, aging, older men, muscle regeneration, vastus lateralis, peak oxygen uptake, citrate synthase, type IIA fibers, myonuclear number, fiber type distribution
MeSH terms
Aged, Aged, 80 and over, Bicycling, Body Composition, Cell Count, Cell Nucleus, Citrate (si)-Synthase, Humans, Immunohistochemistry, Male, Oxygen Consumption, Physical Endurance, Physical Fitness, Anaerobic Threshold, Muscle, Skeletal, Muscle Fibers, Skeletal, Phosphofructokinases, Satellite Cells, Skeletal Muscle

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