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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/31754


    標題: Heme oxygenase-1 mediates anti-adipogenesis effect of raspberry ketone in 3T3-L1 cells
    作者: Tsai, Yung-Chieh
    Yang, Bo-Cheng
    Peng, Wen-Huang
    Lee, Yen-Mei
    Yen, Mao-Hsiung
    Cheng, Pao-Yun
    貢獻者: Chi Mei Med Ctr, Dept Obstet & Gynaecol
    Taipei Med Univ, Dept Med
    Chia Nan Univ Pharm & Sci, Dept Sport Management
    China Med Univ, Dept Chinese Pharmaceut Sci & Chinese Med Resourc
    Natl Def Med Ctr, Dept Pharmacol
    Natl Def Med Ctr, Dept Physiol & Biophys
    關鍵字: Raspberry ketone
    Heme oxygenase-1
    beta-catenin
    Adipogenesis
    Obesity
    日期: 2017-07-15
    上傳時間: 2018-11-30 15:55:26 (UTC+8)
    出版者: Elsevier Gmbh, Urban & Fischer Verlag
    摘要: Background: Obesity is caused by excessive accumulation of body fat and is closely related to complex metabolic diseases. Raspberry ketone (RK), a major aromatic compound in red raspberry, was recently reported to possess anti-obesity effects. However, its mechanisms are unclear. Aim: Adipogenesis plays a critical role in obesity and, therefore, this study aimed to investigate the effect and mechanisms of action of RK on adipogenesis in 3T3-L1 preadipocytes. Materials and methods: 3T3-L1 preadipocytes were differentiated in medium containing insulin, dexamethasone, and 1-methyl-3-isobutylxanthine. Adipocyte lipid contents were determined using oil-red O staining while adipogenic transcription factor and lipogenic protein expressions were determined using western blotting. Results: RK (300-400 mu M) strongly inhibited lipid accumulation during 3T3-L1 preadipocyte differentiation into adipocytes. RK reduced the CCAAT/enhancer-binding protein-a (C/EBP-a), peroxisome proliferation-activated receptor-gamma (PPAR-gamma), fatty acid synthase (FAS), and fatty acid-binding protein 4 (FABP4) expressions and increased heme oxygenase-1 (HO-1), Wnt10b, and beta-catenin expressions in 3T3-L1 adipocytes. Additionally, RK inhibited lipid accumulation, and adipogenic transcription factor and lipogenic protein expressions were all decreased by inhibiting HO-1 or beta-catenin using tin protoporphyrin (SnPP) or beta-catenin short-interfering RNA (siRNA), respectively. Furthermore, Wnt10b and beta-catenin expressions were negatively regulation by SnPP. Conclusion: RK may exert anti-adipogenic effects through modulation of the HO-1/Wnt/beta-catenin signaling pathway.
    關聯: Phytomedicine, v.31, pp.11-17
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