Sex- and estrous cycle-related differences in the effects of acute antipsychotic drug administration on neurotensin-containing neurons in the rat brain

Becky Kinkead, Steven M. Lorch, Michael J. Owens, Charles Nemeroff

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The effects of a single injection of haloperidol (2.0 mg/kg), a typical antipsychotic drug, on neurotensin (NT) concentrations and NT/neuromedin N (NT/NN) mRNA expression in adult female and male rats were examined. There were significant estrous cycle stage-related differences in both NT concentrations and NT/NN mRNA expression in female control rats. Although acute administration of haloperidol increased NT concentrations and NT/NN mRNA expression in the caudate/putamen and nucleus accumbens of both male and female rats, haloperidol did not increase NT/NN mRNA expression during diestrus 2 or NT concentrations during proestrus in the nucleus accumbens of female rats. These results indicate the presence of both sex- and estrous cycle-related differences in the regulation of NT-containing neurons and in the effects of antipsychotic drug administration on the NT system of the rat brain.

Original languageEnglish
Pages (from-to)205-211
Number of pages7
JournalJournal of Pharmacology and Experimental Therapeutics
Volume295
Issue number1
StatePublished - Oct 16 2000
Externally publishedYes

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Neurotensin
Estrous Cycle
Antipsychotic Agents
Neurons
Brain
Haloperidol
Messenger RNA
neuromedin N
Nucleus Accumbens
Diestrus
Proestrus
Caudate Nucleus
Putamen

ASJC Scopus subject areas

  • Pharmacology

Cite this

Sex- and estrous cycle-related differences in the effects of acute antipsychotic drug administration on neurotensin-containing neurons in the rat brain. / Kinkead, Becky; Lorch, Steven M.; Owens, Michael J.; Nemeroff, Charles.

In: Journal of Pharmacology and Experimental Therapeutics, Vol. 295, No. 1, 16.10.2000, p. 205-211.

Research output: Contribution to journalArticle

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