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Bromocriptine induces marked locomotor stimulation in dopamine-depleted mice when D-1 dopamine receptors are stimulated with SKF38393

Bromocriptine induces marked locomotor stimulation in dopamine-depleted mice when D-1 dopamine... 213 90 90 1 1 David M. Jackson Mayko Hashizume Department of Pharmacology The University of Sydney 2006 N.S.W. Australia Abstract In mice pretreated with reserpine plus alphamethyl- p -tyrosine, neither the D-2 selective agonist bromocriptine, nor the D-1 selective agonist SKF38393, produced any measurable increase in locomotion in mice. However, the combination of the two agonists produced a marked and dose-dependent increase in co-ordinated locomotor activity. In mice with their dopamine stores and dopamine synthesis intact, SKF38393 was inactive by itself, but significantly enhanced the stimulant effect produced by bromocriptine. The data suggest that bromocriptine requires concomitant stimulation of D-1 receptors for the full expression of its behavioural stimulant effects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychopharmacology Springer Journals

Bromocriptine induces marked locomotor stimulation in dopamine-depleted mice when D-1 dopamine receptors are stimulated with SKF38393

Psychopharmacology , Volume 90 (1) – Aug 1, 1986

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References (13)

Publisher
Springer Journals
Copyright
Copyright © 1986 by Springer-Verlag Berlin Heidelberg
Subject
Biomedicine; Pharmacology/Toxicology; Psychiatry
ISSN
0033-3158
eISSN
1432-2072
DOI
10.1007/BF00172888
Publisher site
See Article on Publisher Site

Abstract

213 90 90 1 1 David M. Jackson Mayko Hashizume Department of Pharmacology The University of Sydney 2006 N.S.W. Australia Abstract In mice pretreated with reserpine plus alphamethyl- p -tyrosine, neither the D-2 selective agonist bromocriptine, nor the D-1 selective agonist SKF38393, produced any measurable increase in locomotion in mice. However, the combination of the two agonists produced a marked and dose-dependent increase in co-ordinated locomotor activity. In mice with their dopamine stores and dopamine synthesis intact, SKF38393 was inactive by itself, but significantly enhanced the stimulant effect produced by bromocriptine. The data suggest that bromocriptine requires concomitant stimulation of D-1 receptors for the full expression of its behavioural stimulant effects.

Journal

PsychopharmacologySpringer Journals

Published: Aug 1, 1986

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