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ORIGINAL ARTICLE
Year : 2016  |  Volume : 12  |  Issue : 48  |  Page : 276-281

Platyphylloside isolated from Betula platyphylla inhibit adipocyte differentiation and induce lipolysis via regulating adipokines including PPARγ in 3t3-l1 cells


1 College of Pharmacy, Sunchon National University, 255 Jungangno; Suncheon Research Center for Natural Medicines, 255 Jungangno, Suncheon-si 57922, Jeonnam, Republic of Korea
2 College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 599 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea

Correspondence Address:
Prof. Sang Hyun Sung
College of Pharmacy, Seoul National University, 599 Gwanak-ro, Gwanak-Gu, Seoul
Republic of Korea
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.192208

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Background: Obesity causes or aggravates many health problems, both independently and in association with several pathological disorders, including Type II diabetes, hypertension, atherosclerosis, and cancer. Therefore, we screened small compounds isolated from natural products for the development of anti-obesity drugs. Objective: The purpose of this study was to investigate the anti-adipogenic activities of platyphylloside, diarylheptanoid isolated from Betula platyphylla , which was selected based on the screening using 3T3-L1 cells. Materials and Methods: To evaluate the inhibition of adipocyte differentiation and lipolysis, lipid contents of BPP on were measured using Oil Red O staining in 3T3-L1 cells. The mRNA and protein expression levels of various adipokines were measured by Quantitative real-time PCR and Western blotting analysis, respectively. Results: Platyphylloside showed significant inhibitory activity on adipocyte differentiation in 3T3-L1 cells and suppressed adipocyte differentiation even in the presence of troglitazone, a PPARγ agonist. Platyphylloside might suppress adipocyte differentiation through PPARγ, C/EBPα, and SREBP1-induced adipogenesis, which is synergistically associated with downstream adipocyte-specific gene promoters such as aP2, FAS, SCD-1, LPL, and Adiponectin. In addition, platyphylloside affected lipolysis by down-regulating perilipin and HSL and up-regulating TNFα. Conclusion: Taken together, the results reveal that platyphylloside has anti-adipogenic activity and highlight its potential in the prevention and treatment of obesity. Abbreviations used: DMEM: Dulbecco's modified Eagle's medium, FBS: fetal bovine serum, ORO: Oil Red O, PBS: phosphate buffered saline, RT: room temperature, PPAR: peroxisome proliferator-activated receptor, C/EBP: CCAAT/enhancer-binding protein, SREBP1: sterol regulatory element binding protein 1, SCD-1: steroyl-coenzyme A desaturase 1, LPL: lipoprotein lipase, aP2: adipocyte fatty acid binding protein, FAS: fatty acid synthase, HSL: hormone sensitive lipase, Giα1: GPT binding protein, PDE3B: phosphodiesterase 3B, TNFα: tumor necrosis factor α, GAPDH: glyceraldehyde 3-phosphate dehydrogenase, SD: standard deviation, EGCG: epigallocatechin-3-gallate, TZD: thiazolidinediones


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