Cited by 81Sirtuins and Resveratrol in MedicineAdipose Tissue and MetabolismMetabolism, Diabetes, and Cancer

Resveratrol attenuates high-fat diet–induced insulin resistance by influencing skeletal muscle lipid transport and subsarcolemmal mitochondrial β-oxidation

Chen, Lu-Lu, Zhang, Hao-Hao, Zheng, Juan, Hu, Xiang, Kong, Wen, Hu, Di, Wang, Su-Xing, Zhang, Ping·2011·Metabolism

Abstract

Although resveratrol (RES) is implicated in the regulation of insulin sensitivity in rodents, the exact mechanism underlying this effect remains unclear. Therefore, we sought to investigate how RES affects skeletal muscle lipid transportation and lipid oxidation of subsarcolemmal (SS) and intermyofibrillar (IMF) mitochondrial populations in high-fat diet (HFD)-induced insulin resistance (IR) rats. Systemic and skeletal muscle insulin sensitivity together with expressions of several genes related to mitochondrial biogenesis and skeletal muscle lipid transportation was studied in rats fed a normal diet, an HFD, and an HFD with intervention of RES for 8 weeks. Citrate synthase (CS), electron transport chain (ETC) activities, and several enzymes for mitochondrial β-oxidation were assessed in SS and IMF mitochondria from tibialis anterior muscle. The HFD-fed rats exhibited obvious systemic and skeletal muscle IR as well as intramuscular lipid accumulation. SIRT1 activity and expression of genes related to mitochondrial biogenesis were greatly declined, whereas the gene for lipid transportation, FAT/CD36, was upregulated (P < .05). Subsarcolemmal but not IMF mitochondria displayed lower CS, ETC, and β-oxidation activities. By contrast, RES treatment protected rats against diet-induced intramuscular lipid accumulation and IR, increased SIRT1 activity and mitochondrial biogenesis, and reverted the decline in SS mitochondrial CS and ETC activities. Importantly, although expression of FAT/CD36 was increased (11%, P < .05), activities of SS mitochondrial β-oxidation enzymes were largely enhanced (41%~67%, P < .05). This study suggests that RES ameliorates insulin sensitivity consistent with an improved balance between skeletal muscle lipid transportation and SS mitochondrial β-oxidation in HFD rats.

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Crossref · 10.1016/j.metabol.2011.04.002

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  • In an animal study, 100 mg/kg of daily resveratrol treatment for eight weeks protected against high-fat diet-induced intramuscular lipid accumulation and insulin resistance and reverted the decline in SS mitochondrial β-oxidation.

    “In an animal study, 100 mg/kg of daily resveratrol treatment for eight weeks protected against high-fat diet-induced intramuscular lipid accumulation and insulin resistance and reverts the decline in SS mitochondrial β-oxidation [87].”

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Authors
Chen, L.-L., Zhang, H.-H., Zheng, J., Hu, X., Kong, W., Hu, D., Wang, S.-X., & Zhang, P.
Affiliations
Huazhong University of Science and Technology (CN)
Venue
Metabolism
Publisher
Elsevier BV
Published
2011-11
Volume
60
Issue
11
Pages
1598-1609
ISSN
0026-0495 (ISSN-L)
OpenAlex
W2047752953
Cited by
81
References
37
Citations by year
2026: 2 · 2025: 2 · 2024: 4 · 2023: 5 · 2022: 5 · 2021: 6 · 2020: 4 · 2019: 3 · 2018: 6 · 2017: 7 · 2016: 7 · 2015: 6 · 2014: 10 · 2013: 5 · 2012: 8
FWCI
3.66
Type
journal article
Language
en
Open access
closed
Locations
  • Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
resveratrol, insulin resistance, high-fat diet, subsarcolemmal mitochondria, interfibrillar mitochondria, mitochondrial beta-oxidation, SIRT1, mitochondrial biogenesis, FAT/CD36, citrate synthase, electron transport chain, tibialis anterior
MeSH terms
Resveratrol, Animals, Biological Transport, Insulin Resistance, Male, Mitochondria, Muscle, Oxidation-Reduction, Sarcolemma, Stilbenes, Down-Regulation, Rats, Sprague-Dawley, Muscle, Skeletal, Lipid Metabolism, Rats, Diet, High-Fat

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