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
1999
Role of Calcineurin and Protein Phosphatase‐2A in the Regulation of DARPP‐32 Dephosphorylation in Neostriatal Neurons
Nishi A, Snyder G, Nairn A, Greengard P. Role of Calcineurin and Protein Phosphatase‐2A in the Regulation of DARPP‐32 Dephosphorylation in Neostriatal Neurons. Journal Of Neurochemistry 1999, 72: 2015-2021. PMID: 10217279, DOI: 10.1046/j.1471-4159.1999.0722015.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCalcineurinCalcineurin InhibitorsCyclosporineDopamine and cAMP-Regulated Phosphoprotein 32Drug CombinationsDrug SynergismEnzyme InhibitorsIn Vitro TechniquesMaleMarine ToxinsMiceMice, Inbred C57BLNeostriatumNerve Tissue ProteinsNeuronsOkadaic AcidOxazolesPhosphoprotein PhosphatasesPhosphoproteinsPhosphorylationProtein Phosphatase 1Protein Phosphatase 2ConceptsProtein phosphatase 1Protein phosphatase 2AOkadaic acidPhosphorylated DARPP-32DARPP-32 phosphorylationPhosphatase 2APP-2ADARPP-32Cyclic AMP-dependent protein kinaseAMP-dependent protein kinasePP-2A activityRole of calcineurinPhosphatase 1Calyculin AMouse neostriatal slicesProtein kinaseAction of cyclosporinDependent activationCalcineurinPresence of cyclosporinPhosphorylationDephosphorylationSynergistic increaseThr34Potent inhibitor