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KMID : 0387420060170030045
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Korean Society of Oriental Neuropsychiatry
2006 Volume.17 No. 3 p.45 ~ p.56
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The effects of Yukmijihwang-Tang(UJT) on Dementia induced by focal brain ischemic injury in rats.
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Kim Kyung-Soo
Kim Kyeong-Ok
Kim Kyung-Hwa
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Abstract
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Objective: Yukmijibwang-Tang(UJT) has been used for Dementia derived by deficiency of Kidney-Yin in the oriental medicine. This study was planned to examine the effects of UJT on the memory loss induced by focal brain ischemic injury in the rats.
Methods : Experimental groups were divided into 4 groups ; Normal group, Control group, UJT1 group and UJT2 group. Control group were no treated after focal brain ischemic injury. UJT1 group were administered UJT 0.3 to focal brain ischemic injuried rats for 21 days, UJT2 group were administered UJT 1.2 to focal brain ischemic injuried rats for 21 days. The present author observed the number of errors on the eight-arm radial maze task, the rate of correct choice on the eight-arm radial maze task, the values of density of Cresy1 violet- stained sections in the hippocampal CA1 and the values of density of Acetlycholine Esterase (AchE)stained nuclei in the hippocampal CA1.
Results : The number of errors in the Eigth-arm radial maze task was significantly decreased in UJT1 group on 1, 2, 3, 5, 6days, And it was significantly decreased in UJT2 group on 1-6days compared with control group. The rate of correct choice in the eight-arm radial maze task was significantly increased in UJT1, UJT2 group compared with control group. The values of density of Cresyl violet-stained stained sections in the hippocampal CA1 were significantly increased in UJT1, UJT2 group compared with control group. The values of density of AchE in the hippocampal CA1 were increased in UJT1, UJT2 group compared with control group, but the values were not significant.
Conclusions: The present author thought that Yukmijihwang-Tang could he used for curing dementia induced by focal brain ischemic injury.
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KEYWORD
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Dementia, Yukmijiwhang-Tang(UJT), Eight-arm radial maze task, Hippocampal CA1. Acetylcholin Esterase(AchE)
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