Resveratrol inhibits the growth of adipose tissue

  • The natural anti-aging chemical resveratrol was shown in this study to inhibit the growth of new fat tissue - and consequently the growth of cellulite - by activating a protein called Wnt/β-catenin. Pterostilbene, which also activates SIRT1 and is more bioavailable should exert the same effect too. 
  • In combination with other anti-cellulite actives, resveratrol and pterostilbene can be a valuable component of anti-cellulite creams
  • On the other hand, nicotinamide  / vitamin B3, which is erroneously used in anti-cellulite creams, was shown in the same study (and multiple studies in the past) to actually stimulate the growth of fat tissue
  • Technical summary: Resveratrol and SIRT1 inhibit adipogenesis by upregulating Wnt/β-catenin
  • Source:  SIRT1 inhibits adipogenesis and promotes myogenic differentiation in C3H10T1/2 pluripotent cells by regulating Wnt signaling
  • Abstract: BACKGROUND: The directed differentiation of mesenchymal stem cells (MSCs) is tightly controlled by a complex network. Wnt signaling pathways have an important function in controlling the fate of MSCs. However, the mechanism through which Wnt/β-catenin signaling is regulated in differentiation of MSCs remains unknown. SIRT1 plays an important role in the regulation of MSCs differentiation. RESULTS: This study aimed to determine the effect of sirtuin 1 (SIRT1) on adipogenesis and myogenic differentiation of C3H10T1/2 cells. First, the MSC commitment and differentiation model was established by using 5-azacytidine. Using the established model, C3H10T1/2 cells were treated with SIRT1 activator/inhibitor during differentiation. The results showed that resveratrol inhibits adipogenic differentiation and improves myogenic differentiation, whereas nicotinamide promotes adipogenic differentiation. Notably, during commitment, resveratrol blocked adipocyte formation and promoted myotubes differentiation, whereas nicotinamide enhanced adipogenic potential of C3H10T1/2 cells. Furthermore, resveratrol elevated the expression of Cyclin D1 and β-catenin in the early stages. The luciferase assay showed that knockdown SIRT1 inhibits Wnt/β-catenin signaling, while resveratrol treatment or overexpression SIRT1 activates Wnt/β-catenin signaling. SIRT1 suppressed the expression of Wnt signaling antagonists sFRP2 and DACT1. Knockdown SIRT1 promoted adipogenic potential of C3H10T1/2 cells, whereas overexpression SIRT1 inhibited adipogenic differentiation and promoted myogenic differentiation. CONCLUSIONS: Together, our results suggested that SIRT1 inhibits adipogenesis and stimulates myogenic differentiation by activating Wnt signaling.

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