2013
Nicotinic α7 receptors enhance NMDA cognitive circuits in dorsolateral prefrontal cortex
Yang Y, Paspalas CD, Jin LE, Picciotto MR, Arnsten AF, Wang M. Nicotinic α7 receptors enhance NMDA cognitive circuits in dorsolateral prefrontal cortex. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 12078-12083. PMID: 23818597, PMCID: PMC3718126, DOI: 10.1073/pnas.1307849110.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAconitineAlpha7 Nicotinic Acetylcholine ReceptorAnalysis of VarianceAnimalsBridged Bicyclo Compounds, HeterocyclicCholinergic AgonistsCholinergic AntagonistsCognitionFemaleIontophoresisMacaca mulattaMaleMecamylamineMicroscopy, ImmunoelectronN-MethylaspartatePhenolsPiperidinesPrefrontal CortexQuinuclidinesReceptors, NicotinicSpatial BehaviorSynapsesVisual PerceptionConceptsDorsolateral prefrontal cortexΑ7 nAChRsPrefrontal cortexΑ7 nicotinic acetylcholine receptorGlutamatergic NMDA receptorsCognitive circuitsNicotinic α7 receptorsPrimary visual cortexNMDA receptor actionGenetic insultsNicotinic acetylcholine receptorsDlPFC circuitsPrimate dlPFCACh depletionNMDA actionNMDA receptorsPyramidal cellsΑ7 receptorsNeuronal firingNAChR blockadeAcetylcholine receptorsVisual cortexPersistent firingCognitive functionLow-dose stimulation
2012
Nicotine-taking and nicotine-seeking in C57Bl/6J mice without prior operant training or food restriction
Yan Y, Pushparaj A, Gamaleddin I, Steiner RC, Picciotto MR, Roder J, Le Foll B. Nicotine-taking and nicotine-seeking in C57Bl/6J mice without prior operant training or food restriction. Behavioural Brain Research 2012, 230: 34-39. PMID: 22326373, PMCID: PMC3310267, DOI: 10.1016/j.bbr.2012.01.042.Peer-Reviewed Original ResearchConceptsNose-poke behaviorPrior operant trainingFood restrictionDose-response curveNicotine-seeking behaviorC57BL/6J miceIntermittent footshockFlat dose-response curveNaive C57BL/6J miceInjections of nicotineOperant trainingNicotine self-administration paradigmSelf-administration paradigmCue presentationSelf-administered salineNicotine groupNicotine reinforcementLight cue presentationPriming injectionsFR2 scheduleSecond consecutive dayConsecutive daysMiceDaily sessionsNicotine
2011
Plasticity of Prefrontal Attention Circuitry: Upregulated Muscarinic Excitability in Response to Decreased Nicotinic Signaling Following Deletion of α5 or β2 Subunits
Tian MK, Bailey CD, De Biasi M, Picciotto MR, Lambe EK. Plasticity of Prefrontal Attention Circuitry: Upregulated Muscarinic Excitability in Response to Decreased Nicotinic Signaling Following Deletion of α5 or β2 Subunits. Journal Of Neuroscience 2011, 31: 16458-16463. PMID: 22072695, PMCID: PMC3240894, DOI: 10.1523/jneurosci.3600-11.2011.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAconitineAge FactorsAnalysis of VarianceAnimalsAtropineDihydro-beta-ErythroidineIntracellular Signaling Peptides and ProteinsMaleMembrane PotentialsMiceMice, KnockoutNeuronal PlasticityNeuronsNeuropeptidesNeurotransmitter AgentsNicotineNicotinic AntagonistsOrexinsPatch-Clamp TechniquesPrefrontal CortexReceptors, MuscarinicReceptors, NicotinicSignal TransductionUp-RegulationConceptsLayer VI neuronsNicotinic receptorsCholinergic excitationCholinergic receptorsPrefrontal cortexExcitatory muscarinic receptorsPrefrontal attention circuitryMuscarinic cholinergic receptorsMuscarinic acetylcholine receptorsAcute brain slicesWild-type miceWhole-cell recordingsΒ2 subunitNicotinic receptor subunitsMedial prefrontal cortexPyramidal neuronsMuscarinic receptorsNicotinic signalingLayer VIAttention circuitryCholinergic stimulationBrain slicesNicotinic stimulationAcetylcholine receptorsTiming of excitationFACS 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
2010
Locomotion and Self-Administration Induced by Cocaine in 129/OlaHsd Mice Lacking Galanin
Brabant C, Kuschpel AS, Picciotto MR. Locomotion and Self-Administration Induced by Cocaine in 129/OlaHsd Mice Lacking Galanin. Behavioral Neuroscience 2010, 124: 828-838. PMID: 21038934, PMCID: PMC3058554, DOI: 10.1037/a0021221.Peer-Reviewed Original ResearchConceptsGal KO miceCocaine-induced hyperactivityGalanin receptor agonistCocaine-induced hyperlocomotionSpontaneous motor activityGalanin knockout miceEffects of cocaineDrug takersDoses of cocaineDrugs of abuseSelf-administer cocaineGalanin systemReceptor agonistLocomotor effectsKnockout miceGalaninIntravenous cocaineMotor activityFixed ratio scheduleSelf-AdministrationGenetic deletionMiceCocaineDifferent schedulesRatio scheduleOral nicotine consumption does not affect maternal care or early development in mice but results in modest hyperactivity in adolescence
Heath CJ, Horst NK, Picciotto MR. Oral nicotine consumption does not affect maternal care or early development in mice but results in modest hyperactivity in adolescence. Physiology & Behavior 2010, 101: 764-769. PMID: 20826170, PMCID: PMC2975773, DOI: 10.1016/j.physbeh.2010.08.021.Peer-Reviewed Original ResearchConceptsNicotine administrationMaternal behaviorNeuropharmacological effectsSignificant between-group differencesDrinking water administrationNicotine-exposed micePostnatal weight gainBetween-group differencesOral nicotine consumptionPersistent behavioral alterationsExposure-induced changesNursing miceTransient hyperactivityDrinking waterNicotine exposureEffects of exposureC57BL/6J miceHuman smokingBehavioral alterationsNicotine consumptionPassive nursingWeight gainMiceAdministrationMaternal care
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 influenceSex differences in anxiety-like behavior and locomotor activity following chronic nicotine exposure in mice
Caldarone BJ, King SL, Picciotto MR. Sex differences in anxiety-like behavior and locomotor activity following chronic nicotine exposure in mice. Neuroscience Letters 2008, 439: 187-191. PMID: 18524488, PMCID: PMC2491450, DOI: 10.1016/j.neulet.2008.05.023.Peer-Reviewed Original ResearchConceptsAnxiogenic-like responseChronic nicotineAnxiety-like behaviorLocomotor activationFemale miceLocomotor activityPsychostimulant propertiesChronic nicotine exposureFemale C57BL/6J miceSymptoms of anxietyNicotine variesNicotine exposureOverall incidenceC57BL/6J miceMale miceWildtype miceNicotine intakeNicotinic receptorsOpen armsHigh doseMiceNicotineAnxiety disordersBeta2 subunitBehavioral sensitivity
2006
Nicotine withdrawal increases body weight, neuropeptide Y and Agouti-related protein expression in the hypothalamus and decreases uncoupling protein-3 expression in the brown adipose tissue in high-fat fed mice
Fornari A, Pedrazzi P, Lippi G, Picciotto MR, Zoli M, Zini I. Nicotine withdrawal increases body weight, neuropeptide Y and Agouti-related protein expression in the hypothalamus and decreases uncoupling protein-3 expression in the brown adipose tissue in high-fat fed mice. Neuroscience Letters 2006, 411: 72-76. PMID: 17052838, DOI: 10.1016/j.neulet.2006.10.014.Peer-Reviewed Original ResearchMeSH KeywordsAdipose Tissue, BrownAgouti Signaling ProteinAgouti-Related ProteinAnalysis of VarianceAnimalsBody WeightDietary FatsHypothalamusIntercellular Signaling Peptides and ProteinsIon ChannelsMaleMiceMice, Inbred C57BLMitochondrial ProteinsNeuropeptide YNicotineNicotinic AgonistsReceptors, Adrenergic, betaSubstance Withdrawal SyndromeUncoupling Protein 3ConceptsNicotine withdrawalBrown adipose tissueBody weightNeuropeptide YAdipose tissueOrexigenic peptides neuropeptide YHigh-fat fed miceChronic nicotine treatmentPeptides neuropeptide YHigh-fat dietAbility of nicotineBody weight regulationProtein 3 expressionAnorectic effectNicotine treatmentSmoking cessationFat dietFed miceHuman smokersNormal rodentsWeight regulationIncreased expressionProtein 3Protein expressionExposure results
2004
High-affinity nicotinic acetylcholine receptors are required for antidepressant effects of amitriptyline on behavior and hippocampal cell proliferation
Caldarone BJ, Harrist A, Cleary MA, Beech RD, King SL, Picciotto MR. High-affinity nicotinic acetylcholine receptors are required for antidepressant effects of amitriptyline on behavior and hippocampal cell proliferation. Biological Psychiatry 2004, 56: 657-664. PMID: 15522249, DOI: 10.1016/j.biopsych.2004.08.010.Peer-Reviewed Original ResearchMeSH KeywordsAmitriptylineAnalysis of VarianceAnimalsAntidepressive Agents, TricyclicBehavior, AnimalBromodeoxyuridineCell CountCell ProliferationDose-Response Relationship, DrugDrosophila ProteinsDrug InteractionsHelplessness, LearnedHindlimb SuspensionHippocampusImmunohistochemistryMecamylamineMiceMice, Inbred C57BLMice, KnockoutNeuronsNicotinic AntagonistsNortriptylineReceptors, NicotinicSwimmingConceptsHigh-affinity nAChRsHippocampal cell proliferationNicotinic acetylcholine receptorsSwim testAcetylcholine receptorsCell proliferationHigh-affinity nicotinic acetylcholine receptorsNoncompetitive nAChR antagonist mecamylamineAntagonism of nAChRsAntidepressant-induced increasesAntidepressant-like effectsNAChR antagonist mecamylamineWild-type miceInhibition of nAChRsAntidepressants actAntidepressant actionAntidepressant effectsChronic treatmentAntagonist mecamylamineAntidepressant propertiesTricyclic antidepressantsAntidepressant activityTherapeutic effectKnockout miceNoncompetitive antagonist