Effects of Galantamine and Donepezil on Active and Passive Avoidance Tests in Rats With Induced Hypoxia

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The cholinergic system undergoes changes with aging and in Alzheimer's disease. The effects of the anticholinesterase drugs galantamine and donepezil were studied in a model with sodium nitrite-induced hypoxia in rats. The animals were trained in the shuttle-box active avoidance test and in step-through and step-down passive avoidance tests. In the active avoidance test, hypoxic rats showed a decrease in the number of avoidances in the learning session and in retention. The hypoxic rats receiving galantamine showed an increase in the number of avoidances during the learning session. The groups in hypoxia treated with donepezil had an increased number of avoidances in the learning session. In memory retention tests, significant differences were not observed in the hypoxic animals treated with galantamine or donepezil. In the step-through passive avoidance test, rats treated with galantamine had no change in the latency of reactions during the learning session and memory retention tests. In the step-down passive avoidance test, the animals treated with galantamine had increase latency of reactions during the learning and short- or long-memory retention tests. The hypoxic rats receiving donepezil had increased latency of reactions in the step-down short memory retention test. Our results suggest that galantamine and donepezil improve cognitive functions in a model of hypoxia.<br>

収録刊行物

  • Journal of pharmacological sciences  

    Journal of pharmacological sciences 101(3), 199-204, 2006-07-20 

    The Japanese Pharmacological Society

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各種コード

  • NII論文ID(NAID)
    10018236854
  • NII書誌ID(NCID)
    AA11806667
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13478613
  • NDL 記事登録ID
    7985554
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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