The Journal of Korean Medicine (대한한의학회지)

The Society of Korean Medicine (대한한의학회)
권호 표지

Protective Effect of Angelicae Dahuri Radix on Hypoxia Reperfusion Induced by PC12 Cell Damage and Global Ischemia in Gerbil

PC12 손상 세포 및 전뇌허혈 유발 Gerbil에 대한 백지의 세포보호효과

  • 이영효 (동국대학교 한의과대학 내과학교실) ;
  • 정승현 (동국대학교 한의과대학 내과학교실) ;
  • 신길조 (동국대학교 한의과대학 내과학교실) ;
  • 문일수 (동국대학교 의과대학 해부학교실) ;
  • 이원철 (동국대학교 한의과대학 내과학교실)
  • Published : 2003.03.01
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Abstract

Objective : This research was performed to investigate the protective effect of Angelicae Dahuri Radix against ischemic damage using PC12 cells and global ischemia in gerbils. Methods : To observe the protective effect of Angelicae Dahuri Radix on ischemia damage, viability and changes in activities of superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase and production of malondialdehyde (MDA) were observed after treating PC12 cells with Angelicae Dahuri Radix during ischemic insult. Gerbils were divided into three groups : a normal group, a 5-min two-vessel occlusion (2VO) group, and an Angelicae Dahuri Radix administered after 2VO group. The CCAs were occluded by microclip for 5 minutes. Angelicae Dahuri Radix was administered orally for 7 days after 2VO. The histological analysis was performed at 7 days after surgery. For histological analysis, the brain tissue was stained with 1% cresyl violet solution. Results : 1. Angelicae Dahuri Radix has a protective effect against ischemia in the CA1 area of the gerbil hippocampus 7 days after 5-minute occlusion, 2. In the hypoxia/reperfusion model using PC12 cells, Angelicae Dahuri Radix has a protective effect against ischemia in the dose of $0.2\mu\textrm{g}/ml$, $2\mu\textrm{g}/ml$ and $20\mu\textrm{g}/ml$, 3. Angelicae Dahuri Radix increased the activities of glutathione peroxidase and catalase. 4. The activity of superoxide dismutase (SOD) was increased by ischemic damage, which might represent self protection. This study suggests that Angelicae Dahuri Radix has some neuroprotective effect against neuronal damage following cerebral ischemia in vivo with a widely used experimental model of cerebral ischemia in Mongolian gerbils, and it also has protective effects on a hypoxia/reperfusion cell culture model using PC12 cells. Conclusions : Angelicae Dahuri Radix has protective effects against ischemic brain damage at the early stage of ischemia.

Keywords

References

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