Resveratrol Supports Adiponectin by Reducing Inflammation

Byron's Comments:

By lowering the inflammatory TNFa fat cells are again able to make adiponectin.

Study Title:

Resveratrol inhibits TNF-alpha-induced changes of adipokines in 3T3-L1 adipocytes.

Study Abstract:

Tumor necrosis factor-alpha (TNF-alpha) is chronically elevated in adipose tissues of obese rodents and humans. Increased levels of TNF-alpha are implicated in the induction of atherogenic adipokines, such as plasminogen activator inhibitor -1 (PAI-1) and IL-6, and the inhibition of the anti-atherogenic adipokine, adiponectin. In this study, we investigated the effects of resveratrol on TNF-alpha-induced atherogenic changes of the adipokines in 3T3-L1 cells. Exposure to TNF-alpha for 24 h increased PAI-1 and IL-6 secretion and decreased adiponectin secretion. The mRNA expression of adipokines changed in parallel with mRNA expression. Resveratrol effectively reversed the secretion and mRNA expression of the atherogenic adipokines, PAI-1 and IL-6, induced by TNF-alpha. Decreased secretion levels and mRNA expression of adiponectin by TNF-alpha were also recovered by resveratrol treatment. Our results suggest that resveratrol may improve obesity-induced cardiovascular disease, particularly atherosclerosis, by attenuating the TNF-alpha-induced changes of adipokines.

Study Information:

Ahn J, Lee H, Kim S, Ha T. Resveratrol inhibits TNF-alpha-induced changes of adipokines in 3T3-L1 adipocytes. Biochem Biophys Res Commun. 2007 December 28;364(4):972-7.
Food Function Research Group, Korea Food Research Institute, 516, Baekhyun-dong, Bundang-gu, Seongnam-si, Gyeonggi-do 463-746, Republic of Korea.

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