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
1997
Glutamate-Dependent Phosphorylation of Elongation Factor-2 and Inhibition of Protein Synthesis in Neurons
Marin P, Nastiuk K, Daniel N, Girault J, Czernik A, Glowinski J, Nairn A, Prémont J. Glutamate-Dependent Phosphorylation of Elongation Factor-2 and Inhibition of Protein Synthesis in Neurons. Journal Of Neuroscience 1997, 17: 3445-3454. PMID: 9133370, PMCID: PMC6573691, DOI: 10.1523/jneurosci.17-10-03445.1997.Peer-Reviewed Original ResearchMeSH Keywords6-Cyano-7-nitroquinoxaline-2,3-dioneAnimalsAntibody SpecificityCalciumCell SurvivalCells, CulturedCerebral CortexDizocilpine MaleateExcitatory Amino Acid AntagonistsGlutamic AcidMiceNerve Tissue ProteinsNeuronsNeurotoxinsPeptide Elongation Factor 2Peptide Elongation FactorsPhosphorylationProtein BiosynthesisProtein Synthesis InhibitorsReceptors, AMPAReceptors, N-Methyl-D-AspartateConceptsNeuronal deathEukaryotic elongation factor 2Factor 2Cortical neuronsElongation factor 2Glutamate receptorsProtective effectLong-term effectsProtein synthesisPersistent inhibitionPharmacological analysisPharmacological inhibitionCytosolic Ca2Phosphorylation state-specific antibodiesNeuronsNMDAGlutamateInhibitionProtein translationDeathPhosphorylationClose correlationTransient phosphorylationCa2Excitotoxicity
1995
A Role for Calcineurin (Protein Phosphatase-2B) in the Regulation of Glutamate Release
Sihra T, Nairn A, Kloppenburg P, Lin Z, Pouzat C. A Role for Calcineurin (Protein Phosphatase-2B) in the Regulation of Glutamate Release. Biochemical And Biophysical Research Communications 1995, 212: 609-616. PMID: 7542882, DOI: 10.1006/bbrc.1995.2013.Peer-Reviewed Original ResearchConceptsRelease of glutamateGlutamate releaseVoltage-dependent Ca channel activityVoltage-dependent Ca influxRat cerebral cortexCa-dependent componentCa channel activityCerebral cortexNerve terminalsCa influxInflux of CaCa entryActivation of calcineurinCa channelsCalcineurin activityGlutamateFK506CalcineurinRelease
1990
Calcium/calmodulin-dependent protein kinase II increases glutamate and noradrenaline release from synaptosomes
Nichols R, Sihra T, Czernik A, Nairn A, Greengard P. Calcium/calmodulin-dependent protein kinase II increases glutamate and noradrenaline release from synaptosomes. Nature 1990, 343: 647-651. PMID: 2154695, DOI: 10.1038/343647a0.Peer-Reviewed Original ResearchConceptsNeurotransmitter releaseRat brain synaptosomesSquid giant synapseRelease of neurotransmittersNoradrenaline releaseGlutamate releaseNerve terminalsBrain synaptosomesNervous systemUnidentified neurotransmitterGiant synapseDependent protein kinase IIVertebrate nervous systemRats calciumProtein kinase IINeurotransmittersInduced releasePK IISynaptosomesCalcium-dependent protein phosphorylationGlutamateKinase IIReleaseNoradrenalineInitial rate