Myricetin suppresses differentiation of 3 T3-L1 preadipocytes and enhances lipolysis in adipocytes

Nutrition Research
Qian WangWen Zhang

Abstract

Myricetin (MyR), a naturally occurring flavonol widely distributed in fruits, vegetables, and medicinal plants, has anticancer, anti-inflammatory, antihyperlipidaemic, and antiobesity activities. In the present study, we hypothesized that the antiobesity property of MyR is mediated via suppression of differentiation of preadipocytes into adipocytes and promotion of lipolysis of mature adipocytes, which effectively decrease the intracellular triglyceride concentration of adipocytes. Accordingly, the aim of this work was to investigate the effects of MyR on adipocyte differentiation and lipolysis in differentiated 3 T3-L1 adipocytes. Our results showed that MyR inhibited differentiation of 3 T3-L1 preadipocytes in a concentration-dependent manner. Myricetin downregulated the mRNA and protein levels of CCAAT/enhancer-binding protein α and peroxisome proliferator-activated receptor γ, both of which are major adipogenic transcription factors. Furthermore, the mRNA levels of other adipogenesis-related transcription factors, namely, CCAAT/enhancer-binding protein β, sterin regulatory element binding protein 1-c, peroxisome proliferator-activated receptor γ coactivator-1, adipocyte protein 2, lipoprotein lipase and glucose transporter ...Continue Reading

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Citations

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