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Nutrients 2017, 9(6), 635;

Modulatory Effects of Guarana (Paullinia cupana) on Adipogenesis

Laboratory of Immunopharmacology and Molecular Biology, Clinical Pharmacology and Gastroenterology Unit, Sao Francisco University Medical School, Braganca Paulista-SP 12916-900, Brazil
Laboratory of Bioprospection and Natural products (LBPN), UNESP-São Paulo State University/Coastal Campus of Sao Vicente, Pça Infante Dom Henrique S/N, São Vicente, São Paulo 11330-900, Brazil
Authors to whom correspondence should be addressed.
Received: 21 March 2017 / Revised: 30 May 2017 / Accepted: 12 June 2017 / Published: 20 June 2017
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Guarana (Paullinia cupana) is a plant originated in Brazil that presents a beneficial effect on body weight control and metabolic alterations. The aim of this study was to evaluate the effects of guarana on genes and miRNAs related to adipogenesis in 3T3L1 cells. The anti-adipogenic effect of guarana was evaluated by Oil Red-O staining. Gene and miRNA expression levels were determined by real time PCR. The Cebpα and β-catenin nuclear translocation were evaluated using immunocytochemistry. Our data indicated that the triglyceride-reducing effect of guarana was dose-dependent from 100 to 300 µg/mL (−12%, −20%, −24% and −40%, respectively, p < 0.0001). An up-regulation of the anti-adipogenic genes Wnt10b, Wnt3a, Wnt1, Gata3 and Dlk1 and a down-regulation of pro-adipogenic genes Cebpα, Pparγ and Creb1 were also observed. Furthermore, guarana repressed mmu-miR-27b-3p, mmu-miR-34b-5p and mmu-miR-760-5p, that contributed for up-regulation of their molecular targets Wnt3a, Wnt1 and Wnt10b. Additionally, cells treated with guarana presented an increase on β-catenin nuclear translocation (p < 0.0018). In summary, our data indicate that guarana has an anti-adipogenic potential due to its ability to modulate miRNAs and genes related to this process. Together our data demonstrate the important role of guarana as a putative therapeutic agent. View Full-Text
Keywords: adipogenesis; guarana (Paullinia cupana); obesity; 3T3L1; Wnt pathway; miRNA adipogenesis; guarana (Paullinia cupana); obesity; 3T3L1; Wnt pathway; miRNA

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Lima, N.D.S.; Numata, E.D.P.; Mesquita, L.M.S.; Dias, P.H.; Vilegas, W.; Gambero, A.; Ribeiro, M.L. Modulatory Effects of Guarana (Paullinia cupana) on Adipogenesis. Nutrients 2017, 9, 635.

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