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The effect of presynaptic receptor stimulation on adenosine 3',5'-cyclic monophosphate concentrations in rat cortical
Neuroscience Letters
|February 28, 1986
Abstract:
Changes in adenosine 3',5'-cyclic monophosphate (cAMP) concentration were measured in cortical synaptosomes. Preincubation with adenosine deaminase reduced cAMP concentration by 45%. Oxotremorine, clonidine, gamma-aminobutyric acid (GABA) and baclofen produced no change in basal concentration. 2-Chloroadenosine and noradrenaline (NA), acting at beta-adrenoceptors, both caused a dose-dependent increase in cAMP; the NA-stimulated increase was depressed by GABA and by baclofen.