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Effects of resveratrol on the insulin signaling pathway of obese mice
Journal of Veterinary Science ; : 179-185, 2014.
Article Dans Anglais | WPRIM | ID: wpr-191852
ABSTRACT
The present study was conducted to investigate the effects of resveratrol on the insulin signaling pathway in the liver of obese mice. To accomplish this, we administered resveratrol to high fat diet-induced obese mice and examined the levels of protein phosphorylation in the liver using an antibody array. The phosphorylation levels of 10 proteins were decreased in the high fat diet and resveratrol (HFR) fed group relative to the levels in the high fat diet (HF) fed group. In contrast, the phosphorylation levels of more than 20 proteins were increased in the HFR group when compared with the levels of proteins in the HF group. Specifically, the phosphorylation levels of Akt (The308, Tyr326, Ser473) were restored to normal by resveratrol when compared with the levels in the HF group. In addition, the phosphorylation levels of IRS-1 (Ser636/Ser639), PI-3K p85-subunit alpha/gamma(Tyr467/Tyr199), PDK1 (Ser241), GSK-3alpha (S21) and GSK-3 (Ser9), which are involved in the insulin signaling pathway, were decreased in the HF group, whereas the levels were restored to normal in the HFR group. Overall, the results show that resveratrol restores the phosphorylation levels of proteins involved in the insulin signaling pathway, which were decreased by a high fat diet.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Phosphorylation / Stilbènes / Transduction du signal / Protéines / Technique d'immunofluorescence / Insuline / Foie / Souris de lignée C57BL / Souris obèse / Anti-inflammatoires Limites du sujet: Animaux langue: Anglais Texte intégral: Journal of Veterinary Science Année: 2014 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Phosphorylation / Stilbènes / Transduction du signal / Protéines / Technique d'immunofluorescence / Insuline / Foie / Souris de lignée C57BL / Souris obèse / Anti-inflammatoires Limites du sujet: Animaux langue: Anglais Texte intégral: Journal of Veterinary Science Année: 2014 Type: Article