5-HT1A receptor full agonist, 8-OH-DPAT, exerts antidepressant-like effects in the forced swim test in ACTH-treated rats

Yoshihisa Kitamura, Hiroaki Araki, Kazuhiko Shibata, Yutaka Gomita, Yoshiro Tanizaki

Research output: Contribution to journalArticle

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Abstract

We examined the effect of adrenocorticotropic hormone (ACTH) on the immobilization of rats in the forced swim test after administration of the 5-HT1A receptor agonist, 8-hydroxy-2-di-n-propylamino tetralin (8-OH-DPAT). Imipramine (3-30 mg/kg, i.p.) or 8-OH-DPAT (0.1-1 mg/kg, s.c.) significantly decreased the duration of immobility in normal rats. The immobility-decreasing effect of imipramine was blocked when ACTH was administered for 14 days. On the other hand, the immobility-decreasing effect induced by 8-OH-DPAT was not blocked by chronic administration of ACTH for 14 days. These findings indicate that 8-OH-DPAT can be useful in an animal model of depressive conditions resistant to antidepressant treatment.

Original languageEnglish
Pages (from-to)75-77
Number of pages3
JournalEuropean Journal of Pharmacology
Volume481
Issue number1
DOIs
Publication statusPublished - Nov 14 2003

Fingerprint

8-Hydroxy-2-(di-n-propylamino)tetralin
Receptor, Serotonin, 5-HT1A
Adrenocorticotropic Hormone
Antidepressive Agents
Imipramine
Serotonin 5-HT1 Receptor Agonists
Immobilization
Animal Models
hydroxide ion

Keywords

  • 5-HT receptor
  • 8-OH-DPAT (8-hydroxy-2-di-n-propylamino tetralin)
  • Depression treatment-resistant
  • Forced swim test
  • Imipramine

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Pharmacology

Cite this

5-HT1A receptor full agonist, 8-OH-DPAT, exerts antidepressant-like effects in the forced swim test in ACTH-treated rats. / Kitamura, Yoshihisa; Araki, Hiroaki; Shibata, Kazuhiko; Gomita, Yutaka; Tanizaki, Yoshiro.

In: European Journal of Pharmacology, Vol. 481, No. 1, 14.11.2003, p. 75-77.

Research output: Contribution to journalArticle

Kitamura, Yoshihisa ; Araki, Hiroaki ; Shibata, Kazuhiko ; Gomita, Yutaka ; Tanizaki, Yoshiro. / 5-HT1A receptor full agonist, 8-OH-DPAT, exerts antidepressant-like effects in the forced swim test in ACTH-treated rats. In: European Journal of Pharmacology. 2003 ; Vol. 481, No. 1. pp. 75-77.
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