2015
A preliminary study of dopamine D2/3 receptor availability and social status in healthy and cocaine dependent humans imaged with [11C](+)PHNO
Matuskey D, Gaiser EC, Gallezot JD, Angarita GA, Pittman B, Nabulsi N, Ropchan J, MaCleod P, Cosgrove KP, Ding YS, Potenza MN, Carson RE, Malison RT. A preliminary study of dopamine D2/3 receptor availability and social status in healthy and cocaine dependent humans imaged with [11C](+)PHNO. Drug And Alcohol Dependence 2015, 154: 167-173. PMID: 26164205, PMCID: PMC4536182, DOI: 10.1016/j.drugalcdep.2015.06.039.Peer-Reviewed Original ResearchConceptsPositron emission tomographyNon-human primatesInverse associationCD groupReceptor availabilityHealthy non-human primatesSubstantia nigra/ventral tegmental areaBarratt Simplified MeasureDopamine D2/3 receptor availabilityBody mass indexVentral tegmental areaCocaine-dependent humansChronic cocaine administrationDependent humansD2/3 receptor availabilitySN/VTAMass indexCD subjectsRegional brainExtrastriatal regionsTegmental areaCocaine administrationAntagonist radioligandAgonist radioligandCD individuals
2012
Constitutive knockout of the membrane cytoskeleton protein beta adducin decreases mushroom spine density in the nucleus accumbens but does not prevent spine remodeling in response to cocaine
Jung Y, Mulholland PJ, Wiseman SL, Chandler LJ, Picciotto MR. Constitutive knockout of the membrane cytoskeleton protein beta adducin decreases mushroom spine density in the nucleus accumbens but does not prevent spine remodeling in response to cocaine. European Journal Of Neuroscience 2012, 37: 1-9. PMID: 23106536, PMCID: PMC3538958, DOI: 10.1111/ejn.12037.Peer-Reviewed Original ResearchConceptsNucleus accumbensCocaine administrationSpine densitySynaptic plasticityMature mushroom-shaped spinesMushroom spine densityDaily cocaine administrationMushroom-shaped spinesChronic cocaine administrationOverall spine densityElevated locomotor activityExperience-dependent remodelingLipophilic dye DiINAc slicesWT miceMushroom spinesKO miceCocaine treatmentDiolistic labelingSynaptic remodelingBrain slicesBrain areasConstitutive knockoutMature spinesLocomotor activity
2003
Inducible, brain region-specific expression of a dominant negative mutant of c-Jun in transgenic mice decreases sensitivity to cocaine
Peakman M, Colby C, Perrotti L, Tekumalla P, Carle T, Ulery P, Chao J, Duman C, Steffen C, Monteggia L, Allen M, Stock J, Duman R, McNeish J, Barrot M, Self D, Nestler E, Schaeffer E. Inducible, brain region-specific expression of a dominant negative mutant of c-Jun in transgenic mice decreases sensitivity to cocaine. Brain Research 2003, 970: 73-86. PMID: 12706249, DOI: 10.1016/s0006-8993(03)02230-3.Peer-Reviewed Original ResearchConceptsNucleus accumbensFos proteinAdult miceRewarding effectsTransgenic miceBrain regionsBrain region-specific expressionCocaine-induced locomotor activityTranscription factor nuclear factor-kappaBRegion-specific expressionAdministration of cocaineChronic drug administrationGlutamate receptor subunit GluR2Chronic cocaine administrationNuclear factor-kappaBProtein kinase Cdk5C-JunAP-1-mediated transcriptionCocaine administrationFos responsePlace preferenceSubunit GluR2Drug AdministrationFactor-kappaBLocomotor activity
2001
Effects 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 neurons
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