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      The effects of 30 days resveratrol supplementation on adipose tissue morphology and gene expression patterns in obese men.

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          Abstract

          Polyphenolic compounds, such as resveratrol, have recently received widespread interest because of their ability to mimic effects of calorie restriction. The objective of the present study was to gain more insight into the effects of 30 days resveratrol supplementation on adipose tissue morphology and underlying processes. Eleven healthy obese men were supplemented with placebo and resveratrol for 30 days (150 mg per day), separated by a 4-week washout period in a double-blind randomized crossover design. A postprandial abdominal subcutaneous adipose tissue biopsy was collected to assess adipose tissue morphology and gene expression using microarray analysis. Resveratrol significantly decreased adipocyte size, with a shift toward a reduction in the proportion of large and very-large adipocytes and an increase in small adipocytes. Microarray analysis revealed downregulation of Wnt and Notch signaling pathways and upregulation of pathways involved in cell cycle regulation after resveratrol supplementation, suggesting enhanced adipogenesis. Furthermore, lysosomal/phagosomal pathway and transcription factor EB were upregulated reflecting an alternative pathway of lipid breakdown by autophagy. Further research is necessary to investigate whether resveratrol improves adipose tissue function.

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          Author and article information

          Journal
          Int J Obes (Lond)
          International journal of obesity (2005)
          1476-5497
          0307-0565
          Mar 2014
          : 38
          : 3
          Affiliations
          [1 ] Department of Human Biology, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands.
          [2 ] 1] Department of Human Biology, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Center+, Maastricht, The Netherlands [2] Top Institute Food and Nutrition (TIFN), Wageningen, The Netherlands.
          [3 ] 1] Nutrition, Metabolism and Genomics group, Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands [2] Netherlands Nutrigenomics Centre, TI Food and Nutrition, Wageningen, The Netherlands.
          Article
          ijo2013155
          10.1038/ijo.2013.155
          23958793

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