Cited by 819Mitochondrial Function and PathologyMetabolism, Diabetes, and CancerAdipose Tissue and Metabolism

Mitochondrial dysfunction results from oxidative stress in the skeletal muscle of diet-induced insulin-resistant mice

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Bonnard, Charlotte, Durand, Annie, Peyrol, Simone, Chanseaume, Emilie, Chauvin, Marie-Agnes, Morio, Béatrice, Vidal, Hubert, Rieusset, Jennifer·2008·Journal of Clinical Investigation

Abstract

Mitochondrial dysfunction in skeletal muscle has been implicated in the development of type 2 diabetes. However, whether these changes are a cause or a consequence of insulin resistance is not clear. We investigated the structure and function of muscle mitochondria during the development of insulin resistance and progression to diabetes in mice fed a high-fat, high-sucrose diet. Although 1 month of high-fat, high-sucrose diet feeding was sufficient to induce glucose intolerance, mice showed no evidence of mitochondrial dysfunction at this stage. However, an extended diet intervention induced a diabetic state in which we observed altered mitochondrial biogenesis, structure, and function in muscle tissue. We assessed the role of oxidative stress in the development of these mitochondrial abnormalities and found that diet-induced diabetic mice had an increase in ROS production in skeletal muscle. In addition, ROS production was associated with mitochondrial alterations in the muscle of hyperglycemic streptozotocin-treated mice, and normalization of glycemia or antioxidant treatment decreased muscle ROS production and restored mitochondrial integrity. Glucose- or lipid-induced ROS production resulted in mitochondrial alterations in muscle cells in vitro, and these effects were blocked by antioxidant treatment. These data suggest that mitochondrial alterations do not precede the onset of insulin resistance and result from increased ROS production in muscle in diet-induced diabetic mice.

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Authors
Bonnard, C., Durand, A., Peyrol, S., Chanseaume, E., Chauvin, M.-A., Morio, B., Vidal, H., & Rieusset, J.
Affiliations
  • Inserm (FR)
  • Lyon 1 Université (FR)
  • Institut National de la Recherche Agronomique (FR)
Corresponding author
Rieusset, Jennifer
Venue
Journal of Clinical Investigation
Published
2008-01-10
Volume
118
Issue
2
Pages
789-800
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2169593539
Cited by
819
References
38
Citations by year
2026: 7 · 2025: 13 · 2024: 27 · 2023: 33 · 2022: 30 · 2021: 28 · 2020: 45 · 2019: 50 · 2018: 44 · 2017: 50 · 2016: 55 · 2015: 61 · 2014: 67 · 2013: 57 · 2012: 79
FWCI
23.56
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
Funders
  • Agence Nationale de la Recherche (ANR-05)
  • Institut National de la Santé et de la Recherche Médicale (ANR-05-PCOD-012)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
Keywords
mitochondrial dysfunction, skeletal muscle, insulin resistance, oxidative stress, reactive oxygen species, mitochondrial biogenesis, high-fat high-sugar diet, type 2 diabetes, impaired glucose tolerance, streptozotocin-induced diabetes, antioxidant treatment, mitochondrial integrity
MeSH terms
Animals, Diabetes Mellitus, Type 2, Diet, Dietary Fats, Insulin Resistance, Male, Mice, Inbred C57BL, Mitochondria, Muscle, Sucrose, Reactive Oxygen Species, Oxidative Stress, Muscle, Skeletal, Muscle Fibers, Skeletal, Mitochondrial Diseases, Mice

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