2018
Striatin-1 is a B subunit of protein phosphatase PP2A that regulates dendritic arborization and spine development in striatal neurons
Li D, Musante V, Zhou W, Picciotto MR, Nairn AC. Striatin-1 is a B subunit of protein phosphatase PP2A that regulates dendritic arborization and spine development in striatal neurons. Journal Of Biological Chemistry 2018, 293: 11179-11194. PMID: 29802198, PMCID: PMC6052221, DOI: 10.1074/jbc.ra117.001519.Peer-Reviewed Original ResearchConceptsSerine/threonine phosphatase PP2AStriatin-interacting phosphataseRNA knockdown approachB subunitSTRIPAK complexPhosphatase PP2AProtein phosphataseMultiprotein complexesKnockdown approachStriatin familyMutant constructsStriatal neuronal culturesPP2ANeuronal developmentPrimary striatal neuronal culturesDendritic phenotypeKnockdown modelSynapse formationSubunitsSpine developmentSelective roleReduced expressionNeuron maturationNeuronal culturesStriatal neurons
2015
DARPP-32 interaction with adducin may mediate rapid environmental effects on striatal neurons
Engmann O, Giralt A, Gervasi N, Marion-Poll L, Gasmi L, Filhol O, Picciotto MR, Gilligan D, Greengard P, Nairn AC, Hervé D, Girault JA. DARPP-32 interaction with adducin may mediate rapid environmental effects on striatal neurons. Nature Communications 2015, 6: 10099. PMID: 26639316, PMCID: PMC4675091, DOI: 10.1038/ncomms10099.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AnimalBrainCaffeineCalmodulin-Binding ProteinsCentral Nervous System StimulantsChlorocebus aethiopsCocaineCOS CellsDendritic SpinesDopamine and cAMP-Regulated Phosphoprotein 32EnvironmentFluorescence Recovery After PhotobleachingImmunoblottingImmunohistochemistryIn Vitro TechniquesMass SpectrometryMiceMice, Inbred C57BLMutationNeostriatumNeuronsNucleus AccumbensPhosphorylationRatsRats, Sprague-DawleyRewardConceptsAdducin phosphorylationCytoskeletal proteinsActin filamentsMolecular pathwaysCellular mechanismsEnvironmental changesPhosphorylationDARPP-32Striatal neuronsAdducinMutant miceSynaptic stabilityProteinCascadeMultiple effectsEnvironmental effectsBindsDendritic spinesNeuronsModification of responsesBrief exposurePathwayInteractionFilamentsEnrichment
2011
FACS Identifies Unique Cocaine-Induced Gene Regulation in Selectively Activated Adult Striatal Neurons
Guez-Barber D, Fanous S, Golden SA, Schrama R, Koya E, Stern AL, Bossert JM, Harvey BK, Picciotto MR, Hope BT. FACS Identifies Unique Cocaine-Induced Gene Regulation in Selectively Activated Adult Striatal Neurons. Journal Of Neuroscience 2011, 31: 4251-4259. PMID: 21411666, PMCID: PMC3073079, DOI: 10.1523/jneurosci.6195-10.2011.Peer-Reviewed Original ResearchConceptsStriatal neuronsFluorescence-activated cell sortingNeural activity marker FosCocaine-induced locomotionActivity marker FosAdult striatal neuronsUnique gene expression profileP38 MAPK signalingCell-type specificityGene expression profilesSmall proportionTransgenic ratsActivated neuronsImmediate early genesMolecular neuroadaptationsSpecific neuronsGene regulationBehavioral effectsNeuronsAbused drugsMAPK signalingExpression profilesProtein productsCocaineLacZ gene
2006
Galanin attenuates cyclic AMP regulatory element‐binding protein (CREB) phosphorylation induced by chronic morphine and naloxone challenge in Cath.a cells and primary striatal cultures
Hawes JJ, Narasimhaiah R, Picciotto MR. Galanin attenuates cyclic AMP regulatory element‐binding protein (CREB) phosphorylation induced by chronic morphine and naloxone challenge in Cath.a cells and primary striatal cultures. Journal Of Neurochemistry 2006, 96: 1160-1168. PMID: 16417577, DOI: 10.1111/j.1471-4159.2005.03613.x.Peer-Reviewed Original ResearchConceptsOpiate withdrawalAdditional potential therapeutic targetsChronic opiate administrationPotential therapeutic targetPrimary striatal culturesExtracellular signal-regulated kinase 1/2 phosphorylationElement-Binding Protein PhosphorylationCAMP regulatory element-binding proteinKinase 1/2 phosphorylationGalanin treatmentMorphine administrationChronic morphineGalanin receptorsNeuropeptide galaninOpiate administrationNaloxone challengeStriatal neuronsLocus coeruleusSomatic signsNucleus accumbensStriatal culturesRegulatory element-binding proteinTherapeutic targetElement-binding proteinMolecular alterations