2017
The Effect of Treatment with Guanfacine, an Alpha2 Adrenergic Agonist, on Dopaminergic Tone in Tobacco Smokers: An [11C]FLB457 PET Study
Sandiego CM, Matuskey D, Lavery M, McGovern E, Huang Y, Nabulsi N, Ropchan J, Picciotto MR, Morris ED, McKee SA, Cosgrove KP. The Effect of Treatment with Guanfacine, an Alpha2 Adrenergic Agonist, on Dopaminergic Tone in Tobacco Smokers: An [11C]FLB457 PET Study. Neuropsychopharmacology 2017, 43: 1052-1058. PMID: 28944773, PMCID: PMC5854798, DOI: 10.1038/npp.2017.223.Peer-Reviewed Original ResearchConceptsTobacco smokersGuanfacine treatmentPositron emission tomographyTobacco smokingDA releaseDopaminergic toneDopamine releaseAmphetamine-induced DA releaseTobacco smoking cessationCortical dopamine releaseExtrastriatal brain regionsAlpha2-adrenergic agonistExtrastriatal dopamine releaseEffect of treatmentBaseline BPNDSmoking cessationReceptor radiotracerAdrenergic agonistsPET scansAnimal modelsBrain regionsEmission tomographyPET studiesDopamine signalingSmokers
2013
Cholinergic signaling in the hippocampus regulates social stress resilience and anxiety- and depression-like behavior
Mineur YS, Obayemi A, Wigestrand MB, Fote GM, Calarco CA, Li AM, Picciotto MR. Cholinergic signaling in the hippocampus regulates social stress resilience and anxiety- and depression-like behavior. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 3573-3578. PMID: 23401542, PMCID: PMC3587265, DOI: 10.1073/pnas.1219731110.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholinesteraseAnimalsAntidepressive AgentsAnxietyBehavior, AnimalCholinergic AntagonistsCholinergic NeuronsDependovirusDepressionFluoxetineGene Knockdown TechniquesHindlimb SuspensionHippocampusHumansMaleMiceMice, Inbred C57BLPhenotypePhysostigmineReceptors, CholinergicResilience, PsychologicalRNA, Small InterferingSignal TransductionStress, PsychologicalTime FactorsConceptsDepression-like behaviorShRNA-mediated knockdownSelective serotonin reuptake inhibitor fluoxetineSerotonin reuptake inhibitor fluoxetineAChE inhibitor physostigmineAdministration of fluoxetineBlockade of acetylcholinesteraseEndophenotypes of depressionHippocampal AChE activityAntidepressant-like effectsReuptake inhibitor fluoxetineAChE activityDepression-like phenotypeSymptoms of depressionSocial defeat paradigmHippocampal AChEMuscarinic antagonistCholinergic drugsInhibitor physostigmineCholinergic systemClinical trialsSystemic administrationMood disordersSystemic effectsAnimal models
2011
Dissociation between duration of action in the forced swim test in mice and nicotinic acetylcholine receptor occupancy with sazetidine, varenicline, and 5-I-A85380
Caldarone BJ, Wang D, Paterson NE, Manzano M, Fedolak A, Cavino K, Kwan M, Hanania T, Chellappan SK, Kozikowski AP, Olivier B, Picciotto MR, Ghavami A. Dissociation between duration of action in the forced swim test in mice and nicotinic acetylcholine receptor occupancy with sazetidine, varenicline, and 5-I-A85380. Psychopharmacology 2011, 217: 199-210. PMID: 21487659, PMCID: PMC3266849, DOI: 10.1007/s00213-011-2271-y.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntidepressive AgentsAzetidinesBehavior, AnimalBenzazepinesBrainData Interpretation, StatisticalDose-Response Relationship, DrugLigandsMaleMiceMice, Inbred BALB CMice, Inbred C57BLMolecular StructureMotor ActivityNicotinic AgonistsProtein BindingPyridinesQuinoxalinesReceptors, NicotinicSwimmingTime FactorsVareniclineConceptsAntidepressant-like effectsAntidepressant-like actionSwim testDuration of actionReceptor occupancyNAChR antagonist mecamylamineDihydro-β-erythroidineAcetylcholine receptor agonistRole of β2Partial agonist vareniclineSymptoms of depressionNAChR β2Antagonist mecamylamineReceptor agonistActive dosesAgonist vareniclineSazetidinePartial agonistVareniclineObjectivesThe studyBehavioral efficacyNAChRsBehavioral responsesAgonistsPromising target
2009
The membrane cytoskeletal protein adducin is phosphorylated by protein kinase C in D1 neurons of the nucleus accumbens and dorsal striatum following cocaine administration
Lavaur J, Mineur YS, Picciotto MR. The membrane cytoskeletal protein adducin is phosphorylated by protein kinase C in D1 neurons of the nucleus accumbens and dorsal striatum following cocaine administration. Journal Of Neurochemistry 2009, 111: 1129-1137. PMID: 19780900, PMCID: PMC2810345, DOI: 10.1111/j.1471-4159.2009.06405.x.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsBenzazepinesBenzophenanthridinesCalmodulin-Binding ProteinsCocaineCorpus StriatumDopamine AntagonistsDopamine Uptake InhibitorsDose-Response Relationship, DrugEnzyme InhibitorsGene Expression RegulationGreen Fluorescent ProteinsMaleMiceMice, Inbred C57BLMice, KnockoutNeuronsNucleus AccumbensPhosphorylationProtein Kinase CRacloprideReceptors, Dopamine D1Time FactorsConceptsProtein kinase CAdducin phosphorylationKinase CActin-binding proteinsFamily of proteinsPhosphorylation of adducinCytoskeletal protein adducinActin dynamicsCytoskeletal rearrangementsPhosphorylation stateCytoskeletal proteinsAdducinF-actinPhosphorylationNeuronal cytoskeletonCellular architectureProteinSynaptic functionMorphological changesCytoskeletonMedium spiny neuronsSpectrinRegimen of cocaineActinRegulation
2008
Regulation of Synaptic Efficacy in Hypocretin/Orexin-Containing Neurons by Melanin Concentrating Hormone in the Lateral Hypothalamus
Rao Y, Lu M, Ge F, Marsh DJ, Qian S, Wang AH, Picciotto MR, Gao XB. Regulation of Synaptic Efficacy in Hypocretin/Orexin-Containing Neurons by Melanin Concentrating Hormone in the Lateral Hypothalamus. Journal Of Neuroscience 2008, 28: 9101-9110. PMID: 18784290, PMCID: PMC2562258, DOI: 10.1523/jneurosci.1766-08.2008.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnalysis of VarianceAnimalsAnimals, NewbornBehavior, AnimalBenzazepinesBenzhydryl CompoundsCentral Nervous System StimulantsDopamine AgonistsDose-Response Relationship, DrugExcitatory Amino Acid AgentsGlutamic AcidGreen Fluorescent ProteinsHypothalamic Area, LateralHypothalamic HormonesIn Vitro TechniquesIntracellular Signaling Peptides and ProteinsMelaninsMiceMice, Inbred C57BLMice, TransgenicModafinilMotor ActivityNeuronsNeuropeptidesOrexinsPertussis ToxinPituitary HormonesReceptors, SomatostatinSynapsesSynaptic TransmissionTime FactorsConceptsHypocretin/orexin neuronsMCHR1 KO miceOrexin-containing neuronsLateral hypothalamusWild-type miceOrexin neuronsHypocretin/orexinKO miceMCH receptor 1Action potential firingEffects of modafinilMelanin-Concentrating HormoneHypocretin/orexin signalingGroups of neuronsMCH neuronsMiniature EPSCsWT miceHypocretin/Glutamatergic synapsesOrexin signalingSynaptic transmissionPertussis toxinBrain areasReciprocal innervationInhibitory influenceAdministration of the calcineurin inhibitor cyclosporine modulates cocaine-induced locomotor activity in rats
Addy NA, Bahi A, Taylor JR, Picciotto MR. Administration of the calcineurin inhibitor cyclosporine modulates cocaine-induced locomotor activity in rats. Psychopharmacology 2008, 200: 129-139. PMID: 18587562, PMCID: PMC2574760, DOI: 10.1007/s00213-008-1189-5.Peer-Reviewed Original ResearchConceptsLocomotor responseCocaine 5Cocaine injectionLocomotor activityCocaine-induced locomotor activityAcute locomotor responseAcute cocaine challengeMale Sprague-DawleyCocaine-mediated behaviorsCyclosporine administrationMethodsLocomotor activityCalcineurin inhibitorsDaily administrationI. AdministrationCocaine challengeCocaine exposureSprague-DawleyCyclosporine pretreatmentAbility of calcineurinConclusionOur resultsCocaine-mediated changesAdministrationCocaineSynapsin IPotential mechanisms
2006
Ghrelin modulates the activity and synaptic input organization of midbrain dopamine neurons while promoting appetite
Abizaid A, Liu ZW, Andrews ZB, Shanabrough M, Borok E, Elsworth JD, Roth RH, Sleeman MW, Picciotto MR, Tschöp MH, Gao XB, Horvath TL. Ghrelin modulates the activity and synaptic input organization of midbrain dopamine neurons while promoting appetite. Journal Of Clinical Investigation 2006, 116: 3229-3239. PMID: 17060947, PMCID: PMC1618869, DOI: 10.1172/jci29867.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsAppetiteDopamineFluorescent Antibody TechniqueGhrelinMaleMesencephalonMiceMice, Inbred C57BLMice, KnockoutNeuronsNucleus AccumbensPatch-Clamp TechniquesPeptide HormonesRatsRats, Sprague-DawleyReceptors, GhrelinReceptors, G-Protein-CoupledTime FactorsVentral Tegmental AreaConceptsVentral tegmental areaGHSR-deficient miceGHSR-dependent mannerGut hormone ghrelinDopamine neuronal activityMidbrain dopamine neuronsMesolimbic reward circuitrySynaptic input organizationPeripheral ghrelinRebound feedingVTA administrationOrexigenic effectDopamine turnoverGHSR antagonistDopamine neuronsHypothalamic centersTegmental areaHormone ghrelinNucleus accumbensGhrelinNeuronal activitySynapse formationReward circuitryInput organizationFeeding schedule
2002
Acute and long‐term changes in the mesolimbic dopamine pathway after systemic or local single nicotine injections
Ferrari R, Le Novère N, Picciotto MR, Changeux JP, Zoli M. Acute and long‐term changes in the mesolimbic dopamine pathway after systemic or local single nicotine injections. European Journal Of Neuroscience 2002, 15: 1810-1818. PMID: 12081661, DOI: 10.1046/j.1460-9568.2001.02009.x.Peer-Reviewed Original ResearchMeSH KeywordsAmphetamineAnimalsDopamineDopamine Plasma Membrane Transport ProteinsDrug Administration RoutesExtracellular SpaceHabituation, PsychophysiologicMaleMembrane GlycoproteinsMembrane Transport ProteinsMicrodialysisMotor ActivityNerve Tissue ProteinsNeural PathwaysNeuronal PlasticityNicotineNucleus AccumbensPresynaptic TerminalsRatsRats, Sprague-DawleyReceptors, AMPAReceptors, N-Methyl-D-AspartateRNA, MessengerSubstance-Related DisordersTime FactorsTyrosine 3-MonooxygenaseVentral Tegmental AreaConceptsDialysate DA levelsGluR1 mRNA levelsSingle nicotine injectionNicotine administrationDA levelsMesolimbic dopamine pathwayNicotine injectionTyrosine hydroxylaseDopamine pathwayMRNA levelsBasal DA levelsExtracellular DA levelsMesolimbic DA pathwaySystemic intraperitoneal injectionTH mRNA levelsIntra-accumbens infusion