頁籤選單縮合
題 名 | Serotonergic Mechanisms Involved in the Suppression of Feeding by 5-HTP in Rats |
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作 者 | 朱楚芸; 蔡長添; | 書刊名 | 中國生理學雜誌 |
卷 期 | 38:4 1995.12[民84.12] |
頁 次 | 頁235-240 |
分類號 | 437.21 |
關鍵詞 | Serotonin; Food intake; 5-HT1 and 5-HT2 recceptors; 5-hydroxytryptophan; 5-HTP; Cyproheptadine; CYP; |
語 文 | 英文(English) |
英文摘要 | The effect of 5-hydroxytryptophan (5-HTP). the serotonin precursor, on food intake in rats was investigated in this study. 5-HTP (100 mg/kg, i.p.) reduced food intake by 68.9% of control level. The anorectic effect of 5-HTP was antagonized by cyproheptadine (CYP 4mg/kg, i.p.), a serotonin receptor blockade. However, the anorectic effect of 5-HTP was also antagonized by propranolol (PROP 1mg/kg, i.p.) and sulpiride (SULP. 20 mg/kg. i.p.). while Pinodol (PIN 2mg/kg, i.p.) and Haloperidol (HAL 0.5 mg/kg) did not affect the suppressive effect of 5-HTP on food intake by 5-HTP. These results indicates that the anorectic action of 5-HTP was mediated by the serotonergic mechanism through 5-HT1 and H-HT2 receptors. |
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