Effects of 5-HT(1A) receptor agonists on the passive avoidance task in mice

Toshitaka Nabeshima, K. Itoh, K. Kawashima, T. Kameyama, J. C. Shih

Research output: Contribution to journalArticle

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Abstract

Effects of 5-HT agonists on learning and memory were examined using a step-down passive avoidance task in mice. A nonselective 5-HT agonist. 5- methoxy-N,N-dimethyltryptamine (5-MeODMT) given immediately after training remarkably decreased the step-down latencies in the retention test. A 5-HT1 antagonist, (±)-pindolol significantly attenuated 5-MeODMT-induced amnesia. 5-HT(1A) selective agonists. 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH- DPAT) and 1-[2-(4-aminophenyl)ethyl]-4-(3-trifluoromethylphenyl) piperazine (PAPP) given immediately after training caused impairment of memory. 8-OH- DPAT-induced memory impairment was inhibited by a nonselective 5-HT antagonist, methysergide and a 5-HT1 antagonist, (±)-pindolol, whereas a selective 5-HT2 antagonist, ritanserin was inactive. These results suggest that 5-HT(1A) receptors may be linked to memory process in mice.

Original languageEnglish
Pages (from-to)87-108
Number of pages22
JournalResearch Communications in Psychology, Psychiatry and Behavior
Volume17
Issue number3-4
Publication statusPublished - 01-12-1992

Fingerprint

Receptor, Serotonin, 5-HT1A
LY 165163
8-Hydroxy-2-(di-n-propylamino)tetralin
Methoxydimethyltryptamines
Serotonin 5-HT1 Receptor Antagonists
Pindolol
Serotonin Receptor Agonists
Ritanserin
Serotonin 5-HT2 Receptor Antagonists
Methysergide
Serotonin Antagonists
Amnesia
Serotonin
Learning
hydroxide ion

All Science Journal Classification (ASJC) codes

  • Psychiatry and Mental health

Cite this

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abstract = "Effects of 5-HT agonists on learning and memory were examined using a step-down passive avoidance task in mice. A nonselective 5-HT agonist. 5- methoxy-N,N-dimethyltryptamine (5-MeODMT) given immediately after training remarkably decreased the step-down latencies in the retention test. A 5-HT1 antagonist, (±)-pindolol significantly attenuated 5-MeODMT-induced amnesia. 5-HT(1A) selective agonists. 8-hydroxy-2-(di-n-propylamino)tetralin (8-OH- DPAT) and 1-[2-(4-aminophenyl)ethyl]-4-(3-trifluoromethylphenyl) piperazine (PAPP) given immediately after training caused impairment of memory. 8-OH- DPAT-induced memory impairment was inhibited by a nonselective 5-HT antagonist, methysergide and a 5-HT1 antagonist, (±)-pindolol, whereas a selective 5-HT2 antagonist, ritanserin was inactive. These results suggest that 5-HT(1A) receptors may be linked to memory process in mice.",
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Effects of 5-HT(1A) receptor agonists on the passive avoidance task in mice. / Nabeshima, Toshitaka; Itoh, K.; Kawashima, K.; Kameyama, T.; Shih, J. C.

In: Research Communications in Psychology, Psychiatry and Behavior, Vol. 17, No. 3-4, 01.12.1992, p. 87-108.

Research output: Contribution to journalArticle

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AU - Itoh, K.

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