2016
Glutamate Counteracts Dopamine/PKA Signaling via Dephosphorylation of DARPP-32 Ser-97 and Alteration of Its Cytonuclear Distribution
Nishi A, Matamales M, Musante V, Valjent E, Kuroiwa M, Kitahara Y, Rebholz H, Greengard P, Girault JA, Nairn AC. Glutamate Counteracts Dopamine/PKA Signaling via Dephosphorylation of DARPP-32 Ser-97 and Alteration of Its Cytonuclear Distribution. Journal Of Biological Chemistry 2016, 292: 1462-1476. PMID: 27998980, PMCID: PMC5270488, DOI: 10.1074/jbc.m116.752402.Peer-Reviewed Original ResearchConceptsProtein phosphatase 1Ser-97PKA signalingDARPP-32Thr-34Activation of PP2A.Multiple cellular levelsProtein DARPP-32Phosphatase 1Heterotrimer complexPKA actionPhosphorylation stateNuclear localizationThr-75Phosphatase assaysDephosphorylationDARPP-32 phosphorylationCultured striatal neuronsSer-130Cellular levelSignalingPhosphorylationMajor siteStriatal neuronsGlutamate
2001
Regulation of cyclin-dependent kinase 5 and casein kinase 1 by metabotropic glutamate receptors
Liu F, Ma X, Ule J, Bibb J, Nishi A, DeMaggio A, Yan Z, Nairn A, Greengard P. Regulation of cyclin-dependent kinase 5 and casein kinase 1 by metabotropic glutamate receptors. Proceedings Of The National Academy Of Sciences Of The United States Of America 2001, 98: 11062-11068. PMID: 11572969, PMCID: PMC58683, DOI: 10.1073/pnas.191353898.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcium ChannelsCasein KinasesCyclin-Dependent Kinase 5Cyclin-Dependent KinasesDopamine and cAMP-Regulated Phosphoprotein 32Enzyme InhibitorsIn Vitro TechniquesKineticsMaleMembrane PotentialsMethoxyhydroxyphenylglycolMiceMice, Inbred C57BLNeostriatumNerve Tissue ProteinsNeuronsPatch-Clamp TechniquesPhosphoproteinsPhosphorylationPhosphoserinePhosphothreonineProtein KinasesReceptors, Metabotropic GlutamateConceptsCasein kinase 1Cyclin-dependent kinase 5Ser-137Thr-75CK1 activityKinase 1Kinase 5DARPP-32Regulation of Cdk5Neuronal protein kinaseActivation of Cdk5Cellular functionsProtein kinaseDNA repairEnhanced phosphorylationFirst messengersCdk5 activitySpecific inhibitorCdk5Effects of DHPGMetabotropic glutamate receptorsNeurite outgrowthIC261Glutamate receptorsDHPG-induced increase
2000
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