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  • Title: Effect of chronic apomorphine on the development of denervation supersensitivity.
    Author: Robin M, Forler C, Palfreyman MG.
    Journal: Pharmacol Biochem Behav; 1985 Apr; 22(4):547-51. PubMed ID: 3921992.
    Abstract:
    We hypothesised that it would be possible to prevent the development of post-synaptic dopamine receptor supersensitivity to 6-hydroxydopamine lesions of the nigro-striatal tract in rats if they were constantly infused with the dopamine agonist apomorphine. Using osmotic minipumps to infuse apomorphine for 15 days in unilaterally lesioned rats, it was possible to delay the development of supersensitivity of the lesioned side for 9 days but not to prevent its eventual appearance. At the same time, evidence for the development of subsensitivity of presynaptic dopamine receptors of the intact side following chronic infusion of apomorphine was inferred from the production of rotations directed towards the lesioned side.
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