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Cellular Protective Effects and Antioxidative Activity of Resveratrol

레스베라트롤의 세포보호 및 항산화 효과

  • Jo, Na Rae (Department of Fine Chemistry, Nanobiocosmetic Laboratory, and Cosmetic R&D Center, Seoul National University of Science and Technology) ;
  • Park, Su Ah (Department of Fine Chemistry, Nanobiocosmetic Laboratory, and Cosmetic R&D Center, Seoul National University of Science and Technology) ;
  • Jeon, So Ha (Department of Fine Chemistry, Nanobiocosmetic Laboratory, and Cosmetic R&D Center, Seoul National University of Science and Technology) ;
  • Ha, Ji Hoon (Department of Fine Chemistry, Nanobiocosmetic Laboratory, and Cosmetic R&D Center, Seoul National University of Science and Technology) ;
  • Park, Soo Nam (Department of Fine Chemistry, Nanobiocosmetic Laboratory, and Cosmetic R&D Center, Seoul National University of Science and Technology)
  • Published : 2013.10.31

Abstract

In this study, the cellular protective effect of resveratrol on oxidative damage and its antioxidative activity were investigated. The free radical-scavenging activity ($FSC_{50}$) of resveratrol was measured to be $103{\mu}M$. The reactive oxygen species-scavenging activity ($OSC_{50}$) of resveratrol on the ROS generated in a $Fe^{3+}-EDTA/H_2O_2$ system was investigated using the luminol-dependent chemiluminescence assay. Resveratrol displayed $0.042{\mu}M$ ROS scavenging activity, which is 9.6-fold higher than that of L-ascorbic acid ($0.405{\mu}M$) and had a more prominent cellular protective effect than (+)-${\alpha}$-tocopherol. When HaCaT cells were exposed to $800mJ/cm^2$ of UVB or treated with $30{\mu}M$ rose bengal, resveratrol protected the cells against oxidative stress in a concentration-dependent manner; however, it was unable to protect the cells when the damage was induced by 10 mM $H_2O_2$. These results indicate that resveratrol could be employed to improve and prevent the skin aging through its antioxidative and cellular protective activities.

본 연구에서는, 레스베라트롤의 산화적 손상대한 세포 보호 효과와 항산화능을 조사하였다. 레스베라트롤의 Free radical (1,1-diphenyl-2-picrylhydrazyl, DPPH) 소거활성은 ($FSC_{50}$) $103{\mu}M$로 나타났다. 루미놀화학발광법을 이용하여 $Fe^{3+}-EDTA/H_2O_2$계에서 레스베라트롤의 활성산소(Reactive oxygen species, ROS) 소거활성은($OSC_{50}$)을 평가하였다. 레스베라트롤은 $0.042{\mu}M$로 나타나 비교물질로 사용한 L-ascorbic acid ($0.405{\mu}M$)보다 9.6배 우수한 활성산소 소거활성을 보였다. 또한 레스베라트롤은 지용성 항산화제로 알려진 (+)-${\alpha}$-tocopherol보다 우수한 세포보호 활성을 나타내었다. 세포독성 조사에서 레스베라트롤은 $50{\mu}M$에서 세포독성을 나타내지 않았다. HaCaT 세포에 $800mJ/cm^2$의 UVB 또는 $30{\mu}M$의 rose-bengal을 처리하였을 때, 레스베라트롤은 농도의존적으로 세포의 산화적 손상에 대항하여 세포를 보호하였다. 그러나 10 mM의 $H_2O_2$를 처리한 경우에, 레스베라트롤은 세포보호 효과를 나타내지 않았다. 이들의 결과들은 레스베라트롤이 항산화능 및 세포보호 효과를 통해서 피부 노화를 예방하고 개선하는데 있어 이용 가능함을 시사한다.

Keywords

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