Abstract
Background
The SIRT1 enzyme is involved in adipose tissue (AT) lipolysis. FOXO1 is a protein that plays a significant role in regulating metabolism. Adiponectin is an adipokine, secreted by the AT, which has been considered to have an antiobesity function. PPARγ is one of the key actors in adipocytes differentiation. This study was undertaken to investigate whether resveratrol can regulate SIRT1, FOXO1, adiponectin, PPARγ1–3, and PPARβ/δ in human AT.
Methods
The effects of resveratrol were analyzed in freshly isolated adipocytes prepared from visceral fat tissue samples obtained during bariatric surgery. Genes messenger ribonucleic acid (mRNA) levels were determined by qRT-PCR.
Results
Ours results show that resveratrol modulates the studied genes, increasing SIRT1 (p = 0.021), FOXO1 (p = 0.001), and adiponectin (p = 0.025) mRNA expression and decreasing PPARγ1–3 (p = 0.003) mRNA in human visceral adipocytes.
Conclusions
Resveratrol, in vitro and at low concentration, modulates genes that are related to lipid metabolism, possibly preventing metabolic disease in human visceral adipose tissue (VAT).
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Abbreviations
- AT:
-
Adipose tissue
- VAT:
-
Visceral adipose tissue
- FOXO1:
-
Forkhead/winged helix
- SIRT1:
-
Sirtuin 1
- PPAR:
-
Peroxisome proliferator-activated receptors
- qRT-PCR:
-
Quantitative real-time polymerase chain reaction
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Acknowledgments
This study was supported by research grants from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and the Fundação de Apoio à Pesquisa do Rio Grande do Sul (FAPERGS). Dr. R. Margis is a recipient of a research fellowship from the CNPq.
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Costa, C.d.S., Rohden, F., Hammes, T.O. et al. Resveratrol Upregulated SIRT1, FOXO1, and Adiponectin and Downregulated PPARγ1–3 mRNA Expression in Human Visceral Adipocytes. OBES SURG 21, 356–361 (2011). https://doi.org/10.1007/s11695-010-0251-7
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DOI: https://doi.org/10.1007/s11695-010-0251-7