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
1995
Phosphorylation of DARPP-32, a Dopamine- and cAMP-regulated Phosphoprotein, by Casein Kinase I in Vitro and in Vivo *
Desdouits F, Cohen D, Nairn A, Greengard P, Girault J. Phosphorylation of DARPP-32, a Dopamine- and cAMP-regulated Phosphoprotein, by Casein Kinase I in Vitro and in Vivo *. Journal Of Biological Chemistry 1995, 270: 8772-8778. PMID: 7721783, DOI: 10.1074/jbc.270.15.8772.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCasein KinasesCattleCorpus StriatumCyclic AMPDNA PrimersDopamineDopamine and cAMP-Regulated Phosphoprotein 32Electrophoresis, Polyacrylamide GelHumansMolecular Sequence DataMutagenesis, Site-DirectedNerve Tissue ProteinsNeuronsPeptide MappingPhosphoproteinsPhosphorylationProtein KinasesRabbitsRatsSubstantia NigraConceptsCasein kinase IProtein phosphatase 1Kinase ISer-137Phosphatase 1Ser-189DARPP-32CAMP-dependent protein kinasePhosphatase-1 inhibitorStoichiometry of phosphorylationSite-directed mutagenesisSpecific cell populationsProtein kinaseProtein sequencingSeryl residuesAcidic residuesThr-34PhosphorylationPhosphate/Presence of SDSChoroid plexus epithelial cellsResiduesCell populationsElectrophoretic mobilityEpithelial cells