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題 名 | 當歸補血湯對缺血性大鼠被動迴避學習反應障礙之影響=Effects of Tang-Kuei-Pu-Hsueh-Tangs on the Impairment of Passive Avoidance Leraning in Rats Exposed to Cerebral Ischemia |
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作 者 | 彭文煌; | 書刊名 | 中醫藥年報 |
卷 期 | 16:2 1998.05[民87.05] |
頁 次 | 頁321-345 |
分類號 | 414.5 |
關鍵詞 | 當歸補血湯; 被動迴避反應; 缺血性大鼠; Tang-kuei-pu-hsueh-tangs; PHT; Passive avoidance; Cerebral ischemia rats; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以被動迴避學習反應儀探討當歸補血湯、當歸及黃耆水抽取物 及95%乙醇抽取物對雙側頸動脈缺血大鼠被動迴避學習反應之影響,結果顯 示雙側頸動脈缺血大鼠於缺血第二天及第十天會產生被動迴避學習反應障 礙,當給予當歸補血湯、當歸及黃耆水抽取物及95%乙醇抽取物每天一次, 連續給二天或十天對雙側頸動脈缺血大鼠產生之被動迴避學習反應障礙有, 顯著改善作用。電痛刺激實驗顯示,當給予當歸補血湯、當歸及黃耆水抽 取物及95%乙醇抽取物每天一次,連續給二天或十天對雙側頸動脈缺血大鼠 之痛閾值並無影響。運動量實驗結果顯示,當給予當歸補血湯、當歸及黃 耆水抽取物及95%乙醇抽取物每天一次,連續給二天或十天對雙側頸動脈缺 血大鼠之運動降低有明顯增加作用。 綜合以上結果顯示,當給予當歸補血湯、當歸及黃耆水抽取物及95% 乙醇抽取物每天一次,連續給二天或十天對雙側頸動脈缺血大鼠之被動迴 避學習反應障礙有顯著改善作用。 |
英文摘要 | In this study, we used the passive avoidance task to investigate the effects of the water or ethanol extracts of Angelica radix (Ang), Astragalus radix (Ast) and Tang-Kuei-Pu-Hsueh-Tangs (PHT) on the impairment of passive avoidance learning in rats exposed to transient cerebral ischemia. The rats after the occulusion of carotid vessels for two days or ten days produced the impairment of passive avoidance learning. The water or ethanol extracts of Ang, Ast and PHT at 0.5, 1.0 g/kg dose administered for two or ten days improved the impairment of passive avoidance learning produced by cerebral ischemia rats. This improssive effects of Ang, Ast and PHT were not affected by the the changes of the pain threshold. The water or ethanol extracts of Ang, Ast and PHT also improved the hypomotilities produced by cerebral ischemia rats. In conclusion, the water or ethanol extracts of Ang, Ast and PHT improved the impairment of passive avoidance learning produced by cerebral ischemia rats. |
本系統中英文摘要資訊取自各篇刊載內容。