Cited by 155Muscle Physiology and DisordersCaveolin-1 and cellular processesNeurogenetic and Muscular Disorders Research

Transgenic overexpression of caveolin-3 in skeletal muscle fibers induces a Duchenne-like muscular dystrophy phenotype

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Galbiati, Ferruccio, Volonté, Daniela, Chu, Jeffrey B., Li, Maomi, Fine, Samson W., Fu, Maofu, Bermudez, Jorge, Pedemonte, Marina +4 more·2000·Proceedings of the National Academy of Sciences

Abstract

It recently was reported that Duchenne muscular dystrophy (DMD) patients and mdx mice have elevated levels of caveolin-3 expression in their skeletal muscle. However, it remains unknown whether increased caveolin-3 levels in DMD patients contribute to the pathogenesis of DMD. Here, using a genetic approach, we test this hypothesis directly by overexpressing wild-type caveolin-3 as a transgene in mice. Analysis of skeletal muscle tissue from caveolin-3- overexpressing transgenic mice reveals: (i) a dramatic increase in the number of sarcolemmal muscle cell caveolae; (ii) a preponderance of hypertrophic, necrotic, and immature/regenerating skeletal muscle fibers with characteristic central nuclei; and (iii) down-regulation of dystrophin and beta-dystroglycan protein expression. In addition, these mice show elevated serum creatine kinase levels, consistent with the myo-necrosis observed morphologically. The Duchenne-like phenotype of caveolin-3 transgenic mice will provide an important mouse model for understanding the pathogenesis of DMD in humans.

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  • Increased levels of some proteins have been reported to cause myopathic symptoms, as shown in transgenic mouse lines overexpressing caveolin-3 or gamma-sarcoglycan.

    “Increased levels of some proteins have been reported to cause myopathic symptoms, as has been shown in work involving transgenic mouse lines that overexpress either caveolin-3 (Galbiati et al. 2000) or g -sarcoglycan (Zhu et al. 2001).”

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Research works printed but not linked: 5

  1. [6]Glenney J R. J Biol Chem. 1989;264:20163–20166. [PubMed] [Google Scholar]
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Authors
Galbiati, F., Volonté, D., Chu, J. B., Li, M., Fine, S. W., Fu, M., Bermudez, J., Pedemonte, M., Weidenheim, K. M., Pestell, R. G., Minetti, C., & Lisanti, M. P.
Affiliations
Albert Einstein College of Medicine (US)
Venue
Proceedings of the National Academy of Sciences
Published
2000-08-08
Volume
97
Issue
17
Pages
9689-9694
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2025297482
Cited by
155
References
49
Citations by year
2026: 4 · 2023: 4 · 2022: 5 · 2021: 1 · 2020: 9 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 2 · 2015: 8 · 2014: 3 · 2013: 3 · 2012: 6
FWCI
4.22
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial Research Information System (University of Genoa) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01 AR-46792, R01AR046792)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Caveolin-1 and cellular processes
  • Health Sciences › Medicine › Genetics › Neurogenetic and Muscular Disorders Research
Keywords
caveolin-3, Duchenne muscular dystrophy, transgenic overexpression, skeletal muscle fibers, dystrophin, beta-dystroglycan, creatine kinase, muscle necrosis, mdx mice, pathogenesis, mouse model
MeSH terms
Animals, Cell Nucleus, Creatine Kinase, Cytoskeletal Proteins, Disease Models, Animal, Female, Hindlimb, Immunohistochemistry, Male, Membrane Glycoproteins, Membrane Proteins, Mice, Transgenic, Microscopy, Electron, Necrosis, Phenotype, Rotation, Sarcolemma, Down-Regulation, Dystrophin, Mice, Inbred mdx, Muscle, Skeletal, Muscle Fibers, Skeletal, Transgenes, Muscular Dystrophy, Duchenne, Caveolins, Dystroglycans, Caveolin 3, Mice

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