Journal of Physiology & Pathology in Korean Medicine (동의생리병리학회지)

The Physiological Society of Korean Medicine and The Society of Pathology in Korean Medicine (대한동의생리학회·한의병리학회)
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Effect of Sophora Subprostrata Fractions on Focal Ischemic Brain Damage Induced by Middle Cerebral Artery Occlusion in Rats(II)

광두근 분획물이 중대뇌동맥폐쇄에 의한 뇌허혈손상에 미치는 효과(II) -조직화학적 평가를 기준으로-

  • Choi Moon-Seok (Department of Anatomy-Pointology College of Oriental Medicine, Kyungwon University) ;
  • Kim Youn-Sub (Department of Anatomy-Pointology College of Oriental Medicine, Kyungwon University)
  • 최문석 (경원대학교 한의과대학 해부경혈학교실) ;
  • 김연섭 (경원대학교 한의과대학 해부경혈학교실)
  • Published : 2005.08.01
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Abstract

This research was peformed to investigate protective effect of Sophora Subprostrata fractions against focal ischemic brain damage after middle cerebral artery(MCA) occlusion using intraluminal suture. Rats were divided into six groups: MCA-occluded group(Control): each administered groups with Sophora Subprostrata total phase(Total), Sophora Subprostrata Aqueous phase (Aqueous), Sophora Subprostrata BuOH phase(BuOH), and Sophora Subprostrata Alkaloid phase(Alkaloid) after MCA-occlusion; sham-operated group(Sham). The right MCA was occluded by A poly-L-lysine coated 4-0 nylon suture thread through the internal carotid artery permanently. Sophora Subprostrata and fractions were administered orally(Smg/ml) for 7 days after MCA-occlusion. The Drain tissue was stained with $2\%$ triphenyl tetrazolium chloride on ischemic brain tissue(2mm section). The results showed that 1) Sophora Subprostrata total phase reduced infarct size and total infarct volume compared to the control group at 24 hours after MCA-occlusion, 2) Sophora Subprostrata Aqueous phase reduced infarct size and total infarct volume compared to the control group at 24 hours after MCA-occlusion, 3) Sophora Subprostrata Alkaloid phase reduced infarct size compared to the control group at 24 hours after MCA-occlusion, but 4) at 7 days after MCA-occlusion, Sophora Subprostrata did not show effective recovery compared with control group. Sophora Subprostrata has protective effects against brain damage at the early stage of focal cerebral ischemia. Sophora Subprostrata total and Aqueous phase produced more pronounced protective effect against focal ischemic brain damage.

Keywords

References

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