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KMID : 1138520040070020029
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Journal of Pharmacopuncture
2004 Volume.7 No. 2 p.29 ~ p.41
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The Effect of Hirudin Herbal-acupuncture on Neurotransmitters against Middle Cerebral Artery Occulsion(MCAO) Rats
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Suk Jae-Wook
Jung Tae-Young
Lim Seong-Chul
Seo Jung-Chul
Han Sang-Won
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Abstract
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Objective : This experimental studies were performed in order to prove the effect of Hirudin Herbal-acupuncture by using rats that had neuronal damage due to the Middle Cerebral Artery Occulsion(MCAO).
Method : We observed the change of extracellular concentrations({mu}M) of dopamine, DOPAC, HVA, HIAA, glutamate, aspartate, GABA, glysine, taurine, alanine, and tyrosine as extracted by vivo microdialysis, in the Hirudin Herbal-acupuncture administrated rats(240{sim}260g, Sprague-Dawley) subjected to the MCAO. The dialysates were extracted three times before the MCAO and six times after the MCAO every 20 minutes, and analysed by highperformance liquid chromatography(HPLC).
Results : Hirudin Herbal-acupuncture significantly inhibited glutamate, aspartate, and tyrosine which are stimulant neurotransmitters at brain ischemia, and it significantly decreased glycine, GABA, taurine, and alanine which are inhibitory neurotransmitters at brain ischemia.
Conclusion : Hirudin Herbal-acupuncture may prevent delayed neuronal death(DND) in selectively vulnerable focal areas of the brain effectively.
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KEYWORD
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Hirudin, Herbal-acupuncture, Middle Cerebral Artery Occulsion(MCAO), Neurotransmitters
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