2022
DARPP-32/protein phosphatase 1 regulates Rasgrp2 as a novel component of dopamine D1 receptor signaling in striatum
Kuroiwa M, Shuto T, Nagai T, Amano M, Kaibuchi K, Nairn A, Nishi A. DARPP-32/protein phosphatase 1 regulates Rasgrp2 as a novel component of dopamine D1 receptor signaling in striatum. Neurochemistry International 2022, 162: 105438. PMID: 36351540, DOI: 10.1016/j.neuint.2022.105438.Peer-Reviewed Original ResearchConceptsProtein phosphatase 1Phosphatase 1DARPP-32Receptor-induced phosphorylationPKA-dependent phosphorylationPKA/DARPPPP1 inhibitorPP1 substratesPP1 inhibitionPKA sitesRap1 activationOkadaic acidRASGRP2Novel componentRap1GAPPhosphorylationDARPP-32 knockout micePhospho-Thr34 DARPP-32Receptor activationPKAKnockout miceReceptor stimulationPP2A.Ser499Rap1Myosin light chain phosphatase catalytic subunit dephosphorylates cardiac myosin via mechanisms dependent and independent of the MYPT regulatory subunits
Lee E, Liu Z, Nguyen N, Nairn A, Chang AN. Myosin light chain phosphatase catalytic subunit dephosphorylates cardiac myosin via mechanisms dependent and independent of the MYPT regulatory subunits. Journal Of Biological Chemistry 2022, 298: 102296. PMID: 35872014, PMCID: PMC9418503, DOI: 10.1016/j.jbc.2022.102296.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCardiac MyosinsMiceMice, KnockoutMyosin-Light-Chain PhosphatasePhosphatesPhosphorylationProtein Phosphatase 1ConceptsMyosin light chain phosphataseRegulatory light chainRegulatory subunitCatalytic subunitPhosphatase catalytic subunitMain catalytic subunitSmooth muscle myosin light chain phosphataseNon-muscle cellsMuscle myosin light chain phosphataseMyosin regulatory light chainMyosin light chain kinaseLight chain kinasePP1cβTrimeric proteinConditional knockout miceLight chain phosphatasePhosphatase activitySubunitsPhosphate/Chain kinaseMuscle pathogenesisPhysiological regulationKnockout animalsMain isoformsProtein
2017
ARPP-16 Is a Striatal-Enriched Inhibitor of Protein Phosphatase 2A Regulated by Microtubule-Associated Serine/Threonine Kinase 3 (Mast 3 Kinase)
Andrade EC, Musante V, Horiuchi A, Matsuzaki H, Brody AH, Wu T, Greengard P, Taylor JR, Nairn AC. ARPP-16 Is a Striatal-Enriched Inhibitor of Protein Phosphatase 2A Regulated by Microtubule-Associated Serine/Threonine Kinase 3 (Mast 3 Kinase). Journal Of Neuroscience 2017, 37: 2709-2722. PMID: 28167675, PMCID: PMC5354324, DOI: 10.1523/jneurosci.4559-15.2017.Peer-Reviewed Original ResearchConceptsSerine/threonine protein phosphataseSerine/threonine kinase 3Threonine protein phosphataseARPP-16Protein phosphataseKinase 3Protein phosphatase 2AProtein kinase A (PKA) signalingSmall acid-soluble proteinsKinase A SignalingAcid-soluble proteinsActivation of PKAPP2A substratesPhosphatase 2AARPP-16/19Heterotrimeric formMarked dephosphorylationSignal transductionSelective inhibitorPP2AA SignalingUnknown functionStriatal medium spiny neuronsMedium spiny neuronsSer46
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
2006
2‐Deoxyglucose and NMDA inhibit protein synthesis in neurons and regulate phosphorylation of elongation factor‐2 by distinct mechanisms
Maus M, Torrens Y, Gauchy C, Bretin S, Nairn A, Glowinski J, Premont J. 2‐Deoxyglucose and NMDA inhibit protein synthesis in neurons and regulate phosphorylation of elongation factor‐2 by distinct mechanisms. Journal Of Neurochemistry 2006, 96: 815-824. PMID: 16405506, DOI: 10.1111/j.1471-4159.2005.03601.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntimetabolitesBlotting, WesternCalciumCarbonyl Cyanide m-Chlorophenyl HydrazoneCells, CulturedCerebral CortexDeoxyglucoseDose-Response Relationship, DrugDrug InteractionsEmbryo, MammalianEnzyme InhibitorsExcitatory Amino Acid AgonistsIonophoresLeucineMiceModels, BiologicalNeuronsN-MethylaspartateOligomycinsPeptide Elongation Factor 2PhosphorylationProtein KinasesProtein Synthesis InhibitorsPyruvic AcidSodium AzideTime FactorsTOR Serine-Threonine KinasesTritiumConceptsCortical neuronsExcitatory amino acid releaseImine hydrogen maleateNMDA receptor antagonistAMP kinaseAmino acid releaseNeuronal protein synthesisCytosolic free Ca2Protein synthesisCerebral ischaemiaReceptor antagonistBrain damageNeuronal metabolismMetabolic impairmentNMDADistinct mechanismsCytosolic Ca2NeuronsMetabolic deprivationAcid releaseSecondary releaseProtein synthesis inhibitionSynthesis inhibitionElongation factor eEF-2ATP levels
2005
A molecular switch for translational control in taste memory consolidation
Belelovsky K, Elkobi A, Kaphzan H, Nairn A, Rosenblum K. A molecular switch for translational control in taste memory consolidation. European Journal Of Neuroscience 2005, 22: 2560-2568. PMID: 16307598, DOI: 10.1111/j.1460-9568.2005.04428.x.Peer-Reviewed Original ResearchConceptsEukaryotic elongation factor 2Protein synthesisEEF2 phosphorylationKinase 2 activationElongation factor 2Translational regulationTranslation initiationTranslational controlS6K1 phosphorylationMolecular switchSwitch-like effectNeuronal proteinsPhosphorylationElongation rateRate-limiting stepFactor 2Taste memory consolidationSynaptoneurosomal fractionsExpressionTemporal patternsInitiation rateProtein
2002
N-Methyl-D-aspartate receptor activation inhibits protein synthesis in cortical neurons independently of its ionic permeability properties
Gauchy C, Nairn A, Glowinski J, Prémont J. N-Methyl-D-aspartate receptor activation inhibits protein synthesis in cortical neurons independently of its ionic permeability properties. Neuroscience 2002, 114: 859-867. PMID: 12379242, DOI: 10.1016/s0306-4522(02)00322-6.Peer-Reviewed Original ResearchConceptsCortical neuronsAbsence of externalNMDA treatmentTransient cerebral ischemiaAspartate receptor activationGlutamate-induced increaseThapsigargin-sensitive poolMobilization of intracellularProtein synthesisCerebral ischemiaNMDA receptorsNMDAReceptor activationTransient risePresence of externalNeuronsCGP-37157D-serineFree mediumIntracellularIonic permeability propertiesTreatmentSustained releaseIschemiaBlockade
2001
Opposing Changes in Phosphorylation of Specific Sites in Synapsin I During Ca2+-Dependent Glutamate Release in Isolated Nerve Terminals
Jovanovic J, Sihra T, Nairn A, Hemmings H, Greengard P, Czernik A. Opposing Changes in Phosphorylation of Specific Sites in Synapsin I During Ca2+-Dependent Glutamate Release in Isolated Nerve Terminals. Journal Of Neuroscience 2001, 21: 7944-7953. PMID: 11588168, PMCID: PMC6763853, DOI: 10.1523/jneurosci.21-20-07944.2001.Peer-Reviewed Original ResearchConceptsDependent dephosphorylationProtein phosphatase 2AMultiple protein kinasesPhosphorylation site 1Protein phosphatase 2BSynapsin IPhosphatase 2APhosphorylation sitesPhosphatase 2BSynapsin functionProtein kinaseDependent phosphorylationSynapsin I phosphorylationDephosphorylation processNeuronal phosphoproteinSynapsin I.Synaptic vesiclesCalcineurin activityPhosphorylationI phosphorylationDephosphorylationNeurotransmitter releaseSpecific sitesExcellent substrateSite 1Regulation 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 increaseMechanisms for Increased Levels of Phosphorylation of Elongation Factor-2 during Hibernation in Ground Squirrels †
Chen Y, Matsushita M, Nairn A, Damuni Z, Cai D, Frerichs K, Hallenbeck J. Mechanisms for Increased Levels of Phosphorylation of Elongation Factor-2 during Hibernation in Ground Squirrels †. Biochemistry 2001, 40: 11565-11570. PMID: 11560506, DOI: 10.1021/bi010649w.Peer-Reviewed Original ResearchConceptsEukaryotic elongation factor 2EEF-2 phosphorylationElongation factor 2Elongation phaseEEF-2 kinase activityProtein phosphatase 2AGround squirrelsLevel of phosphorylationFactor 2Phosphatase 2ACellular functionsCatalytic subunitUncharacterized mechanismKinase activityInhibitor 2Protein synthesisPhosphorylationPP2AHibernating animalsActive animalsHibernatorsReversible mechanismSevere reductionSquirrelsHibernationChanges in the phosphorylation of initiation factor eIF‐2α, elongation factor eEF‐2 and p70 S6 kinase after transient focal cerebral ischaemia in mice
Althausen S, Mengesdorf T, Mies G, Oláh L, Nairn A, Proud C, Paschen W. Changes in the phosphorylation of initiation factor eIF‐2α, elongation factor eEF‐2 and p70 S6 kinase after transient focal cerebral ischaemia in mice. Journal Of Neurochemistry 2001, 78: 779-787. PMID: 11520898, DOI: 10.1046/j.1471-4159.2001.00462.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedCerebral CortexCerebrovascular CirculationEnzyme InhibitorsEukaryotic Initiation Factor-2ImmunoblottingImmunohistochemistryIschemic Attack, TransientLaser-Doppler FlowmetryMiceMiddle Cerebral ArteryNeuronsPeptide Elongation Factor 2PhosphorylationProtein BiosynthesisRatsRats, WistarRibosomal Protein S6 KinasesThapsigarginConceptsIschaemia-induced changesTransient focal cerebral ischaemiaMiddle cerebral arteryFocal cerebral ischaemiaCerebral ischaemiaP70 S6 kinaseLeft middle cerebral arteryControl levelsTransient cerebral ischaemiaTransient MCA occlusionNeuronal cell injuryPrimary neuronal cell culturesTransient focal ischaemiaElongation factor eEF-2Endoplasmic reticulum calcium pumpEIF-2alpha phosphorylationER calcium homeostasisNeuronal cell culturesS6 kinaseProtein synthesisWestern blot analysisMCA occlusionMCA territoryMin occlusionCerebral arteryAngiotensin II regulates phosphorylation of translation elongation factor-2 in cardiac myocytes
Everett A, Stoops T, Nairn A, Brautigan D. Angiotensin II regulates phosphorylation of translation elongation factor-2 in cardiac myocytes. AJP Heart And Circulatory Physiology 2001, 281: h161-h167. PMID: 11406481, DOI: 10.1152/ajpheart.2001.281.1.h161.Peer-Reviewed Original ResearchMeSH KeywordsAngiotensin IIAnimalsCells, CulturedChromonesEnzyme InhibitorsMitogen-Activated Protein KinasesMorpholinesMyocardiumPeptide Elongation Factor 2Phosphoprotein PhosphatasesPhosphorylationProtein BiosynthesisProtein Phosphatase 2RatsRats, Sprague-DawleyReceptor, Angiotensin, Type 1Receptor, Angiotensin, Type 2Receptors, AngiotensinSignal TransductionSirolimusConceptsEukaryotic elongation factor 2Mitogen-activated protein kinaseElongation factor 2Protein phosphatase 2A inhibitor okadaic acidTranslation elongation factor 2Protein synthesisInhibitor okadaic acidFactor 2Rapamycin (mTOR) inhibitor rapamycinProtein translationDephosphorylated statePolypeptide elongationII-dependent increaseProtein kinaseEEF2 kinaseOkadaic acidDependent regulationInhibitor FK506MAPK activationPD 98059Cardiac myocytesDephosphorylationInhibitor rapamycinNeonatal cardiac myocytesRat neonatal cardiac myocytesARPP‐16/ARPP‐19: a highly conserved family of cAMP‐regulated phosphoproteins
Dulubova I, Horiuchi A, Snyder G, Girault J, Czernik A, Shao L, Ramabhadran R, Greengard P, Nairn A. ARPP‐16/ARPP‐19: a highly conserved family of cAMP‐regulated phosphoproteins. Journal Of Neurochemistry 2001, 77: 229-238. DOI: 10.1046/j.1471-4159.2001.00191.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCHO CellsConserved SequenceCorpus StriatumCricetinaeCyclic AMPCyclic AMP-Dependent Protein KinasesHumansIn Vitro TechniquesMaleMiceMultigene FamilyOrgan SpecificityPhosphoproteinsPhosphorylationProtein IsoformsRatsRats, Sprague-DawleyReceptors, Dopamine D1Receptors, Dopamine D2Sequence Homology, Amino AcidConceptsProtein kinase AARPP-19ARPP-16Family of cAMPImportant cellular functionsActivation of PKAIsoform-specific antibodiesYeast genomeD. melanogasterC. elegansProtein familyCellular functionsNon-neuronal cellsSignal transductionConsensus sitesKinase ARelated proteinsΑ-endosulfinePhosphorylated formIntact cellsIntracellular messengerBi-directional regulationDopamine receptorsFamily membersPhosphorylationARPP-16/ARPP-19: a highly conserved family of cAMP-regulated phosphoproteins.
Dulubova I, Horiuchi A, Snyder G, Girault J, Czernik A, Shao L, Ramabhadran R, Greengard P, Nairn A. ARPP-16/ARPP-19: a highly conserved family of cAMP-regulated phosphoproteins. Journal Of Neurochemistry 2001, 77: 229-38. PMID: 11279279, DOI: 10.1046/j.1471-4159.2001.t01-1-00191.x.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCHO CellsConserved SequenceCorpus StriatumCricetinaeCyclic AMPCyclic AMP-Dependent Protein KinasesHumansIn Vitro TechniquesMaleMiceMultigene FamilyOrgan SpecificityPhosphoproteinsPhosphorylationProtein IsoformsRatsRats, Sprague-DawleyReceptors, Dopamine D1Receptors, Dopamine D2Sequence Homology, Amino AcidConceptsProtein kinase AARPP-19ARPP-16Family of cAMPImportant cellular functionsActivation of PKAIsoform-specific antibodiesYeast genomeD. melanogasterC. elegansProtein familyCellular functionsNon-neuronal cellsSignal transductionConsensus sitesType dopamine receptorsKinase ARelated proteinsPhosphorylated formIntact cellsDopamine receptorsIntracellular messengerBi-directional regulationFamily membersPhosphorylationEffects of chronic exposure to cocaine are regulated by the neuronal protein Cdk5
Bibb J, Chen J, Taylor J, Svenningsson P, Nishi A, Snyder G, Yan Z, Sagawa Z, Ouimet C, Nairn A, Nestler E, Greengard P. Effects of chronic exposure to cocaine are regulated by the neuronal protein Cdk5. Nature 2001, 410: 376-380. PMID: 11268215, DOI: 10.1038/35066591.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainCocaineCocaine-Related DisordersCorpus StriatumCyclin-Dependent Kinase 5Cyclin-Dependent KinasesDopamineDopamine and cAMP-Regulated Phosphoprotein 32Enzyme InhibitorsGene Expression Regulation, EnzymologicKinetinMaleMiceMice, TransgenicNerve Tissue ProteinsNeuronsOligonucleotide Array Sequence AnalysisPhosphoproteinsPhosphorylationProto-Oncogene Proteins c-fosPsychomotor PerformancePurinesRatsRats, Sprague-DawleyReceptors, Dopamine D1RoscovitineSignal TransductionConceptsTranscription factorsSuch transcription factorsDownstream target genesCyclin-dependent kinase 5DNA array analysisTarget genesGene expressionCocaine administrationKinase 5Inducible transgenic miceChronic exposureCdk5 inhibitorMessenger RNACocaine addictionArray analysisDopamine-mediated neurotransmissionDopamine-containing nerve terminalsMedium spiny neuronsD1 dopamine receptorsChronic cocaine administrationOverexpression of ΔFosBProteinTransgenic miceAdaptive changesSpiny neuronsInhibition of protein synthesis in cortical neurons during exposure to hydrogen peroxide
Alirezaei M, Marin P, Nairn A, Glowinski J, Prémont J. Inhibition of protein synthesis in cortical neurons during exposure to hydrogen peroxide. Journal Of Neurochemistry 2001, 76: 1080-1088. PMID: 11181828, DOI: 10.1046/j.1471-4159.2001.00105.x.Peer-Reviewed Original ResearchMeSH KeywordsAniline CompoundsAnimalsCalciumCells, CulturedCerebral CortexDose-Response Relationship, DrugEukaryotic Initiation Factor-2Fluorescent DyesHydrogen PeroxideIntracellular FluidMiceNeuronsPeptide Chain Elongation, TranslationalPeptide Elongation Factor 2PhosphorylationProtein BiosynthesisProtein Synthesis InhibitorsProteinsThapsigarginXanthenesConceptsCortical neuronsGlutamate-induced increaseTransient cerebral ischemiaDose-dependent mannerEffects of thapsigarginProtein synthesisCerebral ischemiaReperfusion periodCommon intracellularEEF-2BlockadeTreatmentNeuronsInhibitionThapsigarginIntracellularPhosphorylationSustained releaseIschemiaEIF-2alphaSlow increaseProtein translationPhosphorylation of Protein Phosphatase Inhibitor-1 by Cdk5*
Bibb J, Nishi A, O'Callaghan J, Ule J, Lan M, Snyder G, Horiuchi A, Saito T, Hisanaga S, Czernik A, Nairn A, Greengard P. Phosphorylation of Protein Phosphatase Inhibitor-1 by Cdk5*. Journal Of Biological Chemistry 2001, 276: 14490-14497. PMID: 11278334, DOI: 10.1074/jbc.m007197200.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBinding SitesBrainCalcineurinCarrier ProteinsCDC2 Protein KinaseCyclic AMPCyclic AMP-Dependent Protein KinasesCyclin-Dependent Kinase 5Cyclin-Dependent KinasesGlutamic AcidIntracellular Signaling Peptides and ProteinsKineticsMiceMice, Inbred C57BLMutagenesis, Site-DirectedN-MethylaspartatePhosphoprotein PhosphatasesPhosphorylationProlineProtein Phosphatase 1RabbitsRatsRecombinant ProteinsRNA-Binding ProteinsSerineTime FactorsConceptsProtein phosphatase inhibitor-1Protein phosphatase 1Phosphatase inhibitor-1Ser-67Protein kinasePhosphatase 1CAMP-dependent protein kinase resultsSelective protein kinase inhibitorsCAMP-dependent protein kinaseProtein phosphatase 2AProline-directed kinasesMitogen-activated protein kinaseInhibitor-1Protein kinase resultsSignal transduction eventsPhosphorylation state-specific antibodiesCAMP-dependent protein kinase activationState of phosphorylationProtein kinase inhibitorsProtein kinase activationPhosphatase 2AThr-35Protein phosphatasePhosphorylation sitesGlutamate-dependent regulationElongation Factor-2 Phosphorylation and the Regulation of Protein Synthesis by Calcium
Nairn A, Matsushita M, Nastiuk K, Horiuchi A, Mitsui K, Shimizu Y, Palfrey H. Elongation Factor-2 Phosphorylation and the Regulation of Protein Synthesis by Calcium. Progress In Molecular And Subcellular Biology 2001, 27: 91-129. PMID: 11575162, DOI: 10.1007/978-3-662-09889-9_4.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCalciumCalcium-Calmodulin-Dependent Protein KinasesCell CycleCell DivisionCyclic AMP-Dependent Protein KinasesCysteine EndopeptidasesElongation Factor 2 KinaseHumansMolecular Sequence DataMultienzyme ComplexesNeuronsPeptide Chain Elongation, TranslationalPeptide Elongation Factor 2PhosphorylationProteasome Endopeptidase ComplexProtein BiosynthesisSequence Homology, Amino AcidSignal TransductionUbiquitinConceptsProtein synthesisElongation factor 2 phosphorylationDephosphorylation of eEF2Eukaryotic protein synthesisAminoacyl-tRNA synthetasesFactor 2 phosphorylationElongation factor 2Ribosomal proteinsRegulated processInitiation factorsDependent kinasesKey proteinsRate of elongationPeptidyl-tRNAPhysiological roleKinasePhosphorylationFactor 2EEF2P siteThr56ProteinSynthetasesDephosphorylationRibosomesDecreased levels of ARPP-19 and PKA in brains of Down syndrome and Alzheimer’s disease
Kim S, Nairn A, Cairns N, Lubec G. Decreased levels of ARPP-19 and PKA in brains of Down syndrome and Alzheimer’s disease. Journal Of Neural Transmission. Supplementa 2001, 263-272. PMID: 11771749, DOI: 10.1007/978-3-7091-6262-0_21.Peer-Reviewed Original ResearchConceptsARPP-19Protein kinaseDifferential display polymerase chain reactionAlzheimer's diseaseDown syndromeCAMP-dependent protein kinaseTemporal cortexActivity of PKASignal transductionDownregulated sequenceBrain regionsNeurodegenerative disordersDiseaseImpaired mechanismsProtein levelsDecreased activityChain reactionFirst evidenceSignificant reductionSyndromeCortexDisordersTransductionHomologyKinase
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