Effects of Gamibojungikki-tang on LDH activity of Cultured Spinal Sensory Neurons

가미보중익기탕이 배양 척수감각신경세포의 LDH 활성도에 미치는 영향

  • Lee Chang Ha (Department of Physiology, College of Oriental Medicine, Wonkwang University) ;
  • Kwan Kang Beam (Department of Physiology, College of Oriental Medicine, Wonkwang University) ;
  • Park Jun Su (Department of Physiology, College of Oriental Medicine, Wonkwang University) ;
  • Song Yang Sun (Department of Oriental Rehabilitation Medicine, Collage of Oriental Medicine, Wonkwang University) ;
  • Ryu Do Gen (Department of Physiology, College of Oriental Medicine, Wonkwang University)
  • 이창호 (원광대학교 한의과대학 생리학교실) ;
  • 권강범 (원광대학교 한의과대학 생리학교실) ;
  • 박준수 (원광대학교 한의과대학 생리학교실) ;
  • 송용선 (원광대학교 한의과대학 재활의학과) ;
  • 류도곤 (원광대학교 한의과대학 생리학교실)
  • Published : 2002.04.01

Abstract

In order to darify the neuroprotective effect of Gamibojungikki-tang(GBJIKT) water extract on cultured mouse spinal sensory neuron damaged by glucose Oxidase (GO), NR (Neutral Red) assay and LDH (Lactate Dehydrogenase) activity assay were carried out after the cultured mouse spinal sensory neuron were preincubated with various concentrations of GBJIKT water extract for 3 hours prior to exposure of GO. Cell viability of cultured mouse spinal sensory neurons exposed to various concentrations of GO for 8 hours was decreased in a dose-dependent manner. NR/sub 50/ values were 50 mU/ml GO. Cultured mouse spinal sensory neurons in the medium containing various concentration of GO for 8 hours showed increasing of LDH activity. We knew that GO was toxic on cultured spinal sensory neurons. Pretreatment of GBJIKT water extract for 3 hours following GO prevented the GO-induced neurotoxicity such as increasing of LDH activity. These results suggest that GO shows toxic effect on cultured spinal sensory neurons and GBJIKT water extract is highly effective in proecting the neurotoxicity induced by GO.

Keywords

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