Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 106, Issue -, Pages 355-362Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2018.06.140
Keywords
Adiposity; Adipogenesis; Anti-obesity; Heshouwu; Polygonum multifiorum Thunb.
Funding
- Suncheon Research Center for Natural Medicines
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This study investigated whether Heshouwu (Polygonum multiflorum Thunb.) root ethanol extract (PME) has antiobesity activity using 3T3-L1 cells and high-fat diet (HFD)-induced obese mice. Treatment with PME (5 and 10 mu g/mL) dose-dependently suppressed 3T3-L1 pre-adipocyte differentiation to adipocytes and cellular triglyceride contents. In addition, PME inhibited mRNA and protein expression of adipogenic transcription factors such as CCAAT/enhancer-binding protein alpha (C/EBP alpha) and peroxisome proliferator-activated receptor gamma (PPAR gamma), which led to down-regulation of fatty acid synthase gene expression. After feeding mice PME (0.05%) with HFD for 12 weeks, their visceral fat mass, size and body weight were significantly reduced compared with the HFD group. Furthermore, PME supplementation significantly up-regulated the PPAR alpha, CPT1, CPT2, UCP1 and HSL mRNA levels compared with the HFD group, whereas it down-regulated expression of the PPAR gamma and DGAT2 genes. Finally, HFD increased serum leptin, insulin, glucose and insulin and glucose levels; however, PME reversed these changes. These results demonstrated that PME might relieve obesity that occurs via inhibition of adipogenesis and lipogenesis as well as through lipolysis and fatty acid oxidation in 3T3-L1 cells and HFD-induced obese mice.
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