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Biol Pharm Bull. 1995 Nov;18(11):1580-3.

Serotonin2 (5-HT2) receptor agonist 1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) inhibits chlorpromazine- and haloperidol-induced hypothermia in mice.

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1
Department of Pharmacology, Kobe Pharmaceutical University, Japan.

Abstract

Chlorpromazine- and haloperidol-induced hypothermia were examined in mice. The alpha 1 receptor agonist phenylephrine partially antagonized the hypothermia, while the dopamine D2 receptor agonist apomorphine did not inhibit it. The central serotonin2 (5-HT2) receptor agonist I-2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) strongly inhibited the chlorpromazine- and haloperidol-induced hypothermia. Both drugs at doses which can elicit hypothermia antagonized head twitch responses mediated by the central 5-HT2 receptor. These results suggest that the chlorpromazine- and haloperidol-induced hypothermia may be mediated by the blockade of the central 5-HT2 receptor.

PMID:
8593484
[Indexed for MEDLINE]

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