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新型抗焦虑药吉哌隆、丁螺环酮和伊沙匹隆对自由进食及8-羟基二丙胺诱发进食的影响。

Effects of the novel anxiolytics gepirone, buspirone and ipsapirone on free feeding and on feeding induced by 8-OH-DPAT.

作者信息

Gilbert F, Dourish C T

机构信息

Merck Sharp & Dohme Research Laboratories, Neuroscience Research Centre, Harlow, Essex, UK.

出版信息

Psychopharmacology (Berl). 1987;93(3):349-52. doi: 10.1007/BF00187255.

Abstract

The effects of the novel anxiolytics gepirone, buspirone and ipsapirone on free feeding and on feeding induced by the 5-HT1A receptor agonist, 8-hydroxy-2-(di-n-propylamino) tetralin (8-OH-DPAT), were examined. Gepirone dose-dependently increased feeding 2 and 4 h after injection, the magnitude of the response being larger than previously observed with any other 5-HT1A receptor ligand. Previous studies have suggested that buspirone and ipsapirone can block some of the behavioural effects of 8-OH-DPAT. However, gepirone, buspirone and ipsapirone did not inhibit feeding induced by 8-OH-DPAT. These results indicate that gepirone is a very efficacious appetite stimulant in rats and suggest that gepirone, buspirone and ipsapirone act as 5-HT autoreceptor agonists in the feeding model.

摘要

研究了新型抗焦虑药吉哌隆、丁螺环酮和伊沙匹隆对自由进食以及5-羟色胺1A受体激动剂8-羟基-2-(二正丙基氨基)四氢萘(8-OH-DPAT)诱导进食的影响。注射后2小时和4小时,吉哌隆使进食量呈剂量依赖性增加,反应幅度大于先前使用任何其他5-羟色胺1A受体配体时观察到的情况。先前的研究表明,丁螺环酮和伊沙匹隆可阻断8-OH-DPAT的某些行为效应。然而,吉哌隆、丁螺环酮和伊沙匹隆并未抑制8-OH-DPAT诱导的进食。这些结果表明,吉哌隆是大鼠中一种非常有效的食欲刺激剂,并提示在进食模型中,吉哌隆、丁螺环酮和伊沙匹隆作为5-羟色胺自身受体激动剂发挥作用。

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