Cited by 24Caveolin-1 and cellular processesMetabolism, Diabetes, and CancerMuscle Physiology and Disorders

Exercise type and muscle fiber specific induction of caveolin-1 expression for insulin sensitivity of skeletal muscle

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Oh, Yoon Sin, Kim, Hyo Jeong, Ryu, Sung Jin, Cho, Kyung A, Park, Young Sik, Park, Hyon, Kim, MiJung, Kim, Chang Keun +1 more·2007·Experimental & Molecular Medicine

Abstract

It is well known that exercise can have beneficial effects on insulin resistance by activation of glucose transporter. Following up our previous report that caveolin-1 plays an important role in glucose uptake in L6 skeletal muscle cells, we examined whether exercise alters the expression of caveolin-1, and whether exercise-caused changes are muscle fiber and exercise type specific. Fifty week-old Sprague Dawley (SD) rats were trained to climb a ladder and treadmill for 8 weeks and their soleus muscles (SOL) and extensor digitorum longus muscles (EDL) were removed after the last bout of exercise and compared with those from non-exercised animals. We found that the expression of insulin related proteins and caveolins did not change in SOL muscles after exercise. However, in EDL muscles, the expression of insulin receptor beta (IR beta) and glucose transporter-4 (GLUT-4) as well as phosphorylation of AKT and AMPK increased with resistance exercise but not with aerobic exercise. Also, caveolin-1 and caveolin-3 increased along with insulin related proteins only in EDL muscles by resistance exercise. These results suggest that upregulation of caveolin-1 in the skeletal muscle is fiber specific and exercise type specific, implicating the requirement of the specific mode of exercise to improve insulin sensitivity.

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  1. Olson EN, Williams RS. Remodeling muscles with calci- neurin. Bioessays 2000;22:510-9

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Authors
Oh, Y. S., Kim, H. J., Ryu, S. J., Cho, K. A., Park, Y. S., Park, H., Kim, M., Kim, C. K., & Park, S. C.
Affiliations
  • Seoul National University (KR)
  • Chonnam National University (KR)
Corresponding author
Park, Sang Chul
Venue
Experimental & Molecular Medicine
Published
2007-06-01
Volume
39
Issue
3
Pages
395-401
ISSN
  • 1226-3613 (ISSN-L)
  • 2092-6413
OpenAlex
W2091690650
Cited by
24
References
42
Citations by year
2026: 2 · 2025: 2 · 2024: 4 · 2023: 2 · 2020: 1 · 2019: 1 · 2017: 1 · 2016: 2 · 2015: 1 · 2014: 1 · 2012: 2
FWCI
0.41
Type
journal article
Language
en
Open access
Locations
  • Experimental & Molecular Medicine (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
Korea Science and Engineering Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Caveolin-1 and cellular processes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
Keywords
caveolin-1, caveolin-3, insulin sensitivity, skeletal muscle, exercise type, resistance training, aerobic exercise, muscle fiber type, soleus muscle, extensor digitorum longus, insulin receptor beta, glucose transporter 4, Akt phosphorylation, AMPK phosphorylation, glucose uptake
MeSH terms
Animals, Female, Insulin, Multienzyme Complexes, Phosphorylation, Physical Conditioning, Animal, Receptor, Insulin, Up-Regulation, Rats, Sprague-Dawley, Protein Serine-Threonine Kinases, Muscle, Skeletal, Muscle Fibers, Skeletal, Proto-Oncogene Proteins c-akt, Caveolin 1, Caveolin 3, Glucose Transporter Type 4, Rats, AMP-Activated Protein Kinases

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