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Eur J Pharmacol. 1997 Aug 6;332(2):115-9.

Effects of AMPA receptor positive modulators on amphetamine- and dizocilpine-induced locomotion.

Author information

1
Department of Pharmacology, CoCensys Inc., Irvine, CA 92618, USA. kim@rat.ucsd.edu

Abstract

Two allosteric alpha-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) receptor positive modulators, 1-(1,3-benzodioxol-5-ylcarbonyl)piperidine (1-BCP) and 1-(quinoxalin-6-ylcarbonyl)piperidine (CX516), and the antipsychotic drug, haloperidol, were tested for their ability to inhibit hyperactivity induced by amphetamine and dizocilpine in mice. Haloperidol (0.03-1.0 mg/kg) and 1-BCP (20.0-120.0 mg/kg) attenuated hyperactivity induced by both amphetamine and dizocilpine, with higher potency against amphetamine. CX516 (30.0-170.0 mg/kg), however, failed to attenuate amphetamine- and dizocilpine-induced hyperactivity up to a dose which decreased spontaneous locomotor activity. These results indicate that AMPA receptor positive modulators may not be uniform with regard to their effects on dopamine-mediated behaviors and their antipsychotic potential.

PMID:
9286612
[Indexed for MEDLINE]

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