
Adaptive changes in the expression of central opioid receptors in mice lacking the dopamine D2 receptor gene
Keywords: سیستم دوپامینرژیک; dopaminergic system; opioidergic system; knockout mice; basal ganglia; autoradiography; DAMGO; d-Ala2-N-methyl-Phe4-Gly-ol5 enkephalin; D2R; dopamine D2 receptor; N/OFQ; nociceptin/orphanin Q; [3H]CI-977; (â) N-methyl-N-[7-(1-pyrrolidinyl)-1-oxaspiro[4,