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題 名 | 過山龍對鼷鼠自發運動量與藥物誘發痙攣作用之影響=Effects of Vernonia Gratiosa Hance on Locomotor Activity and Drugs-induced Convulsions in Mice |
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作 者 | 尤紹懿; 闕甫伃; 高國清; 張永勳; | 書刊名 | 中國醫藥科學雜誌 |
卷 期 | 2:1 2001.03[民90.03] |
頁 次 | 頁11-17 |
分類號 | 414.5 |
關鍵詞 | 過山龍; 自發運動量; 抗痙攣; Vernonia gratiosa; Locomotor activity; Anticonvulsive; |
語 文 | 中文(Chinese) |
中文摘要 | 過山龍 (Vernonia gratiosa HANCE),為菊科斑鳩菊屬植物,本研究進行 過山龍對鼷鼠自發運動量與藥物誘發痙攣等作用進行評估。實驗結果顯示,過山 龍萃取物需在較大劑量下 (3 g/kg; i.p.) 才能有效延長picrotoxin 與 pentylenetetrazol 誘發痙攣之 colonic convulsion 與 tonic convulsion 產生之時間; 但對 strychnine 誘發之痙攣作用,則過山龍萃取物 (2, 3 g/kg; i.p.) 僅能延長 colonic convulsion 產生之時間。其次,過山龍萃取物 (1-3 g/kg) 腹腔給予鼷鼠可 誘發一具劑量依存性之自發運動量降低作用。此外,由懸垂法試驗結果得知,大 劑量之過山龍萃取物 (2, 3 g/kg; i.p.) 可誘發一快速且短暫之肌肉鬆弛作用。綜合 以上實驗結果,過山龍萃取物確具有抗痙攣、降低自發運動量與肌肉鬆弛等作 用,而其抗痙攣作用之機轉則可能與興奮腦內 GABA 神經系統之活性有關。 |
英文摘要 | Vernonia gratiosa Hance of Compositae Family is a folk medicine in Taiwan which has been used to clear away the heat, activate blood circulation, CNS-depression, and relieving pain. In the present study, the methanolic extract of V. gratiosa were evaluated for locomotor activity and anticonversive effects in mice. In higher dose (3g/kg; i.p.), methanlic extract of V. gratiosa can reduced the colonic and tonic convulsion time induced by picrotoxin and pentylenetrazol, respectively. But methanlic extract of V. gratiosa just reduced the colonic convulsion induced by strychnine. In addition, V. gratiosa reduced the locomotor activity and showed significant muscle relaxing effect. These results indicate that V. gratiosa possess anticonvulsive and sedative effects. The methanolic extract of V. gratiosa may act through GABAergic system to induce anticonversion. |
本系統中英文摘要資訊取自各篇刊載內容。