Abstract
The dopamine receptor adenylate cyclase complex of a rat striatal membrane preparation became more responsive to dopamine following the injection of 6-hydroxydopamine (6-OHDA) into the median forebrain bundle or following the subcutaneous implantation of morphine pellets. Moreover, the membrane cyclase system was more responsive to activation by GTP, guanyl-5′-yl-imidodiphosphate and Mn-ATP. These observations suggest that both 6-OHDA and morphine induce similar biochemical changes in striatum and that the increased responsiveness arises, in part, from modification of the nucleotide regulatory and/or catalytic components of adenylate cyclase.
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Parenti, M., Gentleman, S., Olianas, M.C. et al. The dopamine receptor adenylate cyclase complex: Evidence for post recognition site involvement for the development of supersensitivity. Neurochem Res 7, 115–124 (1982). https://doi.org/10.1007/BF00965074
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DOI: https://doi.org/10.1007/BF00965074