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Anti-obesity Effect of Aster Yomena Ethanol Extract in High Fat Diet-induced Obese Mice

고지방 식이로 유도된 비만 생쥐에서 쑥부쟁이 에탄올 추출물의 항비만 효과

  • Lee, Ho Jae (Department of Oriental Medicine & Biotechnology, Honam University) ;
  • Kim, Hyun Sik (Mass Spectrometry & Advanced Instrumentation Group, Korea Basic Science Institute) ;
  • Seo, Sang Wan (Department of Oriental Medicine & Biotechnology, Honam University)
  • 이호재 (호남대학교 한방바이오학과) ;
  • 김현식 (한국기초과학지원연구원) ;
  • 서상완 (호남대학교 한방바이오학과)
  • Received : 2017.10.24
  • Accepted : 2017.12.04
  • Published : 2017.12.25

Abstract

Aster yomena (AY) have been used as a traditional medicine to treat cough, bronchial asthma, and insect bites in Korea. In this study, we evaluated the inhibition of adipogenesis in 3T3-L1 cells and in high-fat diet (HFD)-induced obese mice by AY ethanol extract. Lipid accumulation measurement indicates that AY markedly inhibited adipogenesis in a dose-dependent manner. qRT-PCR results demonstrated that the mRNA expression of adipogenic transcription factors such as peroxisome proliferator-activated receptor-${\gamma}$ ($PPAR-{\gamma}$) in 3T3-L1 cells were significantly down-regulated by AY treatment. And inhibited the expression of FAS, a protein responsible for lipid synthesis, transport and storage. Oral administration of AY (100, 250, and 500 mg/kg, P.O/daily for 4 weeks) was conducted in high-fat diet induced obese mice and C57BL/6 mice. AY was orally administered for 4 weeks to extract liver and epididymal fat, and hematoxylin and eosin staining(H&E staining) was observed. Observation showed that the fat concentration of liver tissue tended to decrease dose-dependently and decreased significantly at 500 mg/kg concentration. The AY-administered group of HFD-induced mice had a lower body weight gain, along with decreased triglycerides and total cholesterol compared with the control mice, however, the HDL-cholesterol/total cholesterol ratio was increased. These results indicate that AY exhibits anti-obesity effects in obese mice by decreasing in serum lipid levels and lipogenesis related gene.

Keywords

References

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