Reference : Biphasic locomotor effects of the dopamine D-sub-1 agonist SKF 38393 and their attenu...
Scientific journals : Article
Social & behavioral sciences, psychology : Neurosciences & behavior
http://hdl.handle.net/2268/29516
Biphasic locomotor effects of the dopamine D-sub-1 agonist SKF 38393 and their attenuation in non-habituated mice
English
Tirelli, Ezio mailto [Université de Liège - ULiège > Département des sciences cognitives > Neuroscience comportementale et psychopharmacologie expér. >]
Terry, P. [> > > >]
1993
Psychopharmacology
110
1-2
69-75
Yes
International
[fr] dépression ; test
[en] Examined the locomotor stimulatory effects of the dopamine D-sub-1 receptor partial agonist SKF 38393 in male C57B1/6J mice. Non-habituated mice showed marked dose-related (3-300 mg/kg, subcutaneously) locomotor stimulation. The time-course effect was biphasic at very high doses (100-300 mg/kg), with dose-related locomotor depression followed by dose-related long-term hyperlocomotion. For all doses, locomotor effects were detectable throughout the 4-hr test period. To determine whether these effects were mediated by D-sub-1 receptor stimulation, effects of SKF 38393 were assessed in combination with behaviorally inactive and active doses (0.1 and 0.2 mg/kg, respectively) of the selective D-sub-1 receptor antagonist SCH 39166. Both doses of SCH 39166 attenuated the hyperlocomotion induced by 30 mg/kg of the agonist to a similar degree. However, neither dose was able to reverse either the depressant or the stimulatory effects of 300 mg/kg SKF 38393. ((c) 1997 APA/PsycINFO, all rights reserved)
Centre de Neurosciences Cognitives et Comportementales
http://hdl.handle.net/2268/29516
10.1007/BF02246952

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