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Anti-obese and Antioxidant activities of Spica prunellae Extract in 3T3-L1 and HepG2 cells

하고초(Spica prunellae) 추출물의 항비만 및 산화적 스트레스 억제활성

  • Kim, Nan-Seul (Department of Food Science and Biotechnology, Kyungnam University) ;
  • Shon, Myung-Soo (Department of Food Science and Biotechnology, Kyungnam University) ;
  • Kim, Gyo-Nam (Department of Food Science and Biotechnology, Kyungnam University) ;
  • Hwang, Yong-Il (Department of Food Science and Biotechnology, Kyungnam University)
  • 김난슬 (경남대학교 식품생명학과) ;
  • 손명수 (경남대학교 식품생명학과) ;
  • 김교남 (경남대학교 식품생명학과) ;
  • 황용일 (경남대학교 식품생명학과)
  • Received : 2014.06.19
  • Accepted : 2014.10.21
  • Published : 2014.11.30

Abstract

Spica prunellae has been used as a traditional medicine in Asian countries. In the present study, anti-obese and antioxidant activity of Prunellae spica ethanol extract (PSE) was investigated in 3T3-L1 and HepG2 cells. The 50 and $100{\mu}g/mL$ of PSE treatment for 4 days (Day -2 to Day 2) dose dependently suppressed 3T3-L1 adipogenesis. We further examined the protective activity of PSE against ethanol-induced cell death. While 800 mM ethanol treatment for 24 h induced significant cell death, the PSE treatment significantly protected ethanol-induced cell death. In addition, the anti-oxidative activities of PSE to reduce the oxidative stress induced by AAPH or $Cu^{2+}$ ions, which are important ROS to release peroxyl and hydroxyl radicals, were observed. These results provide scientific evidence for the development of functional foods using PSE which has anti-obese and antioxidant activities.

체내에 과도하게 생성되는 활성산소는 산화적 스트레스를 유발할 수 있으며 세포 구성성분들을 손상시키고 각종 질환의 원인이 될 수 있다. 또한 최근의 연구 결과에 따르면 비만한 사람은 정상체중을 가진 일반인들에 비해 높은 산화적 스트레스 상태임이 알려졌다(Furukawa et al., 2004). 본 연구에서는 전통 한약재로 잘 알려진 하고초 ethanol 추출물의 항비만 및 스트레스 억제활성을 3T3-L1 및 HepG2 세포에서 평가하였다. 본 연구의 결과를 요약하자면 다음과 같다. 첫째, 50 및 $100{\mu}g/mL$의 하고초 추출물은 각각 대조군 대비 78.4%, 및 72.3%의 3T3-L1 세포의 지방세포 분화를 억제하였다. 둘째, $100{\mu}g/mL$의 하고초 추출물은 HepG2 세포에서 ethanol에 의해 유도된 세포사멸을 유의적으로 보호하였다(대조군 대비 79.3%). 셋째, 10, 100 및 $200{\mu}g/mL$의 하고초 추출물은 $60{\mu}M$의 AAPH 및 $10{\mu}M$$Cu^{2+}$로 유도된 산화적 스트레스를 농도 의존적이며 유의적으로 억제하였다. 이상의 연구결과는 하고초 추출물이 항비만 및 산화적 스트레스 억제를 통한 기능성 소재로서의 가능성을 보여주는 결과라 생각된다.

Keywords

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