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  • Title: Adenosine receptor antagonists potentiate dopamine receptor agonist-induced rotational behavior in 6-hydroxydopamine-lesioned rats.
    Author: Jiang H, Jackson-Lewis V, Muthane U, Dollison A, Ferreira M, Espinosa A, Parsons B, Przedborski S.
    Journal: Brain Res; 1993 Jun 11; 613(2):347-51. PubMed ID: 8186990.
    Abstract:
    Adenosine receptor antagonists, DMPX, PACPX and theophylline, produce contralateral rotations in unilateral 6-hydroxydopamine-lesioned rats. DMPX and theophylline markedly increase rotations produced by bromocriptine (a dopamine D2 receptor agonist) and/or SKF38393A (a dopamine D1 receptor agonist). All of these effects are inhibited by CGS21680C (an adenosine A2 receptor agonist). These findings suggest synergistic interactions among D1, D2 and A2 receptors that may be relevant to the treatment of Parkinson's disease.
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