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  • Title: Rate of recovery of D1 and D2 dopaminergic receptors in young vs. adult rat striatal tissue following alkylation with ethoxycarbonyl-ethoxy-dihydroquinoline (EEDQ).
    Author: Kula NS, George T, Baldessarini RJ.
    Journal: Brain Res Dev Brain Res; 1992 Apr 24; 66(2):286-9. PubMed ID: 1535031.
    Abstract:
    The rate of recovery of D1 and D2 receptor binding sites in rat striatal tissue labeled with [3H]SCH-23390 or [3H]YM-09151-2 was followed daily after irreversible blockade of these receptors with the alkylating agent ethoxycarbonyl-ethoxy-dihydroquinoline (EEDQ). These rates were significantly higher in young post-weaning rats than in young adults (14% vs. 7% per day). The findings suggest that rates of synthesis of new D1 and D2 receptor proteins may be increased during a phase of neurodevelopment in the first postnatal month when the accumulation of both receptor types, especially of D1 receptors, is about maximal.
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