Amplification of dopaminergic signaling by a positive feedback loop
Nishi A, Bibb J, Snyder G, Higashi H, Nairn A, Greengard P. Amplification of dopaminergic signaling by a positive feedback loop. Proceedings Of The National Academy Of Sciences Of The United States Of America 2000, 97: 12840-12845. PMID: 11050161, PMCID: PMC18851, DOI: 10.1073/pnas.220410397.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcineurinCocaineCyclic AMP-Dependent Protein KinasesCyclin-Dependent Kinase 5Cyclin-Dependent KinasesDopamineDopamine and cAMP-Regulated Phosphoprotein 32FeedbackIn Vitro TechniquesMiceMice, Inbred C57BLNeostriatumNerve Tissue ProteinsPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Phosphatase 2Receptors, Dopamine D1Receptors, Dopamine D2Signal TransductionConceptsState of phosphorylationProtein kinaseThr-75Protein phosphatase 2A activityCAMP-dependent protein kinasePhosphatase 2A activityCyclin-dependent kinase 5DARPP-32Dopamine D1 receptor-mediated activationDopamine D2 receptor stimulationStriatal DARPP-32Receptor-mediated activationD2 receptor stimulationAction of dopamineEffects of dopaminePositive feedback loopPKA signalingKinase 5Inhibitory constraintPhosphorylationAcute cocaineWhole animalNeostriatal slicesReceptor stimulationDopaminergic signaling
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