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Title 

Ginkgetin, a biflavone from Ginkgo biloba leaves, prevents adipogenesis through STAT5-mediated PPARγ and C/EBPα regulation

Authors 

Young Lai ChoJong Gil ParkH J KangWooil KimMin Ji JoJu Hong JangMin-Gi KwonSungsik KimSang Hyun LeeJangwook LeeYeon-Gu KimYoung-Jun ParkWon Kon KimKwang-Hee BaeByoung-Mog KwonS J ChungJeong Ki Min

Publisher 

Elsevier

Issue Date 

2019

Citation 

Pharmacological Research

Keywords 

AdipogenesisCCAAT/enhancer-binding protein α (C/EBPα)GinkgetinObesityPeroxisome proliferator-activated receptor γ(PPARγ)Signal transducer and activator of transcription 5 (STAT5)

Abstract 

Adipogenesis involved in hypertrophy and hyperplasia of adipocytes is responsible for expanding the mass of adipose tissues in obese individuals. Peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer-binding protein α (C/EBPα) are two principal transcription factors induced by delicate signaling pathways, including signal transducer and activator of transcription 5 (STAT5), in adipogenesis. Here, we demonstrated a novel role of ginkgetin, a biflavone from Ginkgo biloba leaves, as a STAT5 inhibitor that blocks the differentiation of preadipocytes into adipocytes. During the differentiation of 3T3-L1 cells, ginkgetin treatment during the first 2 days markedly inhibited the formation of lipid-bearing adipocytes. PPARγ and C/EBPα expression was decreased in 3T3-L1 cells during adipogenesis following ginkgetin treatment, whereas no change was observed in C/EBPβ or C/EBPδ expression. Inhibition of PPARγ and C/EBPα expression by ginkgetin occurred through the prevention of STAT5 activation during the initiation phase of adipogenesis. In addition, ginkgetin-mediated the inhibition of adipogenesis was recapitulated in the differentiation of primary preadipocytes. Lastly, we confirmed the inhibitory effects of ginkgetin on the hypertrophy of white adipose tissues from high-fat diet-fed mice. These results indicate that ginkgetin is a potential anti-adipogenesis and anti-obesity drug.

ISSN 

1043-6618

Link 

http://dx.doi.org/10.1016/j.phrs.2018.11.027

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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