Journal of Physiology & Pathology in Korean Medicine (동의생리병리학회지)

The Physiological Society of Korean Medicine and The Society of Pathology in Korean Medicine (대한동의생리학회·한의병리학회)
권호 표지

Action Mechanism of Anticonvulsive Effect of Nelumbo Nucifera in Pentylenetetrazole-induced Animal Models

펜틸렌테트라졸로 유도된 실험동물에서 연자육 추출물의 항경련 작용기전

  • Kim, Sung-Hoon (Department of Oriental Pathology, College of Oriental Medicine, Kyunghee University) ;
  • Choi, Jong-Won (College of Pharmacy, Kyungsung University)
  • 김성훈 (경희대학교 한의과대학 병리학교실) ;
  • 최종원 (경성대학교 약학대학)
  • Received : 2011.07.07
  • Accepted : 2011.08.12
  • Published : 2011.08.25
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Abstract

Nelumbo nucifera(NN) is a oriental medicinal herb which has been used traditionally for the treatment of antidiarrhea, sedative action and various brain diseases including convulsion and epilepsy. In order to examine the mechanism of anticonvulsive effect, we treated the methanol extract of NN(100, 200 mg/kg, P.0) to the sleeping time and pentylenetetrazole(PTZ)-induced convulsive mice. The methanol extract of NN prolonged sleep time by pentobarbital. Methanol extracts of NN were not effected the concentration of GABA and GABA-T activity in the brain of PTZ-induced mice. Methanol extracts of NN significantly inhibited the convulsion state as well as the level of lipid peroxidation in the brain. The butanol and dichloromethane fraction of methanol extracts among the others effectively inhibited in vitro lipid peroxidation dose dependently($5.0{\times}10^{-6}\sim2.0{\times}10^{-5}\;g/ml$). These results suggest that the anticonvulsive effect of NN is possibly due to the antioxidative effects of the free radical formation at brain for the PTZ-induced convulsion if it were by due to generating system.

Keywords

References

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