- 期刊
Serotonergic Mechanisms Involved in the Suppression of Feeding by 5-HTP in Rats
並列摘要
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, i. p) 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 mechanicsm through 5-HT1 and 5-HT2 receptors.
延伸閱讀
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