Homologous regulation of 5-HT1A receptor mRNA in adult rat hippocampal dentate gyrus

Jie Huang, Efrain Azmitia

Research output: Contribution to journalArticle

Abstract

Short-term adrenalectomy induces a loss of mature granular neuronal phenotypes in the hippocampal dentate gyrus; injection of 5-HT1A receptor agonist reverses this effect. Adrenalectomy also induces an increase of expression of 5-HT1A receptor mRNA in the dentate gyrus. This study tested the effect of 5-HT1A agonist on this adrenalectomy-induced increase of 5- HT1A mRNA. Five, 9 and 18 days after adrenalectomy, 5-HT1A receptor mRNA is increased in the granular layer of the dentate gyrus. The increase is nearly 100% at day 18 after adrenalectomy. 5-HT1A agonist treatment decreased 5- HT1A mRNA both at 9 (20%) and 18 days (34%) after adrenalectomy. Our results indicated that a 5-HT1A agonist can partly reverse the adrenalectomy-induced increase of 5-HT1A mRNA and loss of mature granular neuronal phenotypes in hippocampal dentate gyrus.

Original languageEnglish (US)
Pages (from-to)5-8
Number of pages4
JournalNeuroscience Letters
Volume270
Issue number1
DOIs
StatePublished - Jul 23 1999

Fingerprint

Parahippocampal Gyrus
Receptor, Serotonin, 5-HT1A
Adrenalectomy
Dentate Gyrus
Serotonin 5-HT1 Receptor Agonists
Messenger RNA
Phenotype
Injections

Keywords

  • Adrenalectomy
  • In situ hybridization
  • Ipsapirone
  • Neuroplasticity
  • Neurotrophic factor
  • Serotonin
  • Steroids

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Homologous regulation of 5-HT1A receptor mRNA in adult rat hippocampal dentate gyrus. / Huang, Jie; Azmitia, Efrain.

In: Neuroscience Letters, Vol. 270, No. 1, 23.07.1999, p. 5-8.

Research output: Contribution to journalArticle

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