Beneficial Effects of DX-9386,a Traditional Chinese Prescription, on Memory Disorder Produced by Lesioning the Amygdala in Mice
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概要
- 論文の詳細を見る
The amygdala is one of the key areas of the brain involved in learning and memory. Bilateral lesions of the amygdala in 9-week-old mice induced impairment of memory acquisition and retention. DX-9386,a traditional Chinese medicinal prescription consisting of ginseng, polygala, acorus and hoelen, was orally administered to the lesioned mice after the operation until all the experiments were completed. From 15d after surgery, learning behavior in the step-down test was observed daily for 10d. DX-9386 treatment ameliorated the memory acquisition deficit. The number of step-down events in the first testing trial was significantly decreased by administration of 250mg/kg of the prescription to the lesioned group of mice. Choline acetyltransferase activity in the cerebral cortex of the lesioned mice was significantly decreased, while repeated administration of the prescription did not affect this biochemical parameter. These results indicate that the memory acquisition enhancing effect of DX-9386 may not be achieved by direct activation of cholinergic transmission in the brain but by some other mechanism (s).
- 公益社団法人日本薬学会の論文
- 1994-12-15
著者
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齋藤 洋
Department Of Chemical Pharmacology Faculty Of Pharmaceutical Sciences The University Of Tokyo
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西山 信好
Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, The University of Tokyo
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西山 信好
Department Of Chemical Pharmacology Faculty Of Pharmaceutical Sciences The University Of Tokyo
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周 躍平
Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, The University of Tokyo
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Nishiyama Nobuyoshi
Department Of Chemical Pharmacology Faculty Of Pharmaceutical Sciences The University
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周 躍平
Department Of Chemical Pharmacology Faculty Of Pharmaceutical Sciences The University Of Tokyo
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