2014
Self-Administration of Ethanol, Cocaine, or Nicotine Does Not Decrease the Soma Size of Ventral Tegmental Area Dopamine Neurons
Mazei-Robison MS, Appasani R, Edwards S, Wee S, Taylor SR, Picciotto MR, Koob GF, Nestler EJ. Self-Administration of Ethanol, Cocaine, or Nicotine Does Not Decrease the Soma Size of Ventral Tegmental Area Dopamine Neurons. PLOS ONE 2014, 9: e95962. PMID: 24755634, PMCID: PMC3995955, DOI: 10.1371/journal.pone.0095962.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCell SizeCocaineDopaminergic NeuronsEthanolMaleMice, Inbred C57BLNicotineRats, WistarSelf AdministrationVentral Tegmental AreaConceptsVentral tegmental areaSoma sizeDopamine neuronsVentral tegmental area dopamine neuronsChronic opiate administrationAdditional drug classesDrug-specific mannerMorphological changesSelf-administer cocaineOpiate administrationTegmental areaDrug classesDA circuitsMesolimbic DA circuitSelf-AdministrationFiring rateSimilar morphological changesGeneral hallmarkNeuronsNicotineCocaineDrugsRecent findingsPrevious observationsNeuroplasticity
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
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 schedule
2008
Antidepressant-like effects of nicotine and transcranial magnetic stimulation in the olfactory bulbectomy rat model of depression
Vieyra-Reyes P, Mineur YS, Picciotto MR, Túnez I, Vidaltamayo R, Drucker-Colín R. Antidepressant-like effects of nicotine and transcranial magnetic stimulation in the olfactory bulbectomy rat model of depression. Brain Research Bulletin 2008, 77: 13-18. PMID: 18582540, PMCID: PMC2771408, DOI: 10.1016/j.brainresbull.2008.05.007.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntidepressive AgentsBehavior, AnimalDepressionDisease Models, AnimalDrug Administration ScheduleExploratory BehaviorInjections, IntraperitonealMaleMotor ActivityNicotineOlfactory BulbPsychology, ComparativeRatsRats, Long-EvansRats, WistarSelf AdministrationSpecies SpecificitySwimmingTranscranial Magnetic StimulationConceptsDepression-like symptomsTranscranial magnetic stimulationAntidepressant-like effectsWistar ratsMagnetic stimulationOlfactory bulbectomyRat strainsDaily transcranial magnetic stimulationOlfactory bulbectomy rat modelEffects of nicotineOral nicotine intakeOral intakeDepression managementSwim testTherapeutic alternativeNicotine intakeRat modelLong-Evans rat strainDepression susceptibilitySymptomsLong-EvansNicotineInnate differencesRatsBulbectomy
2006
Effect of cocaine self-administration on striatal PKA-regulated signaling in male and female rats
Lynch WJ, Kiraly DD, Caldarone BJ, Picciotto MR, Taylor JR. Effect of cocaine self-administration on striatal PKA-regulated signaling in male and female rats. Psychopharmacology 2006, 191: 263-271. PMID: 17180335, DOI: 10.1007/s00213-006-0656-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AnimalBlotting, WesternCocaineCyclic AMP-Dependent Protein KinasesDopamine and cAMP-Regulated Phosphoprotein 32Dopamine Uptake InhibitorsFemaleMaleNucleus AccumbensPhosphorylationRatsRats, Sprague-DawleyReceptors, AMPASelf AdministrationSex FactorsSignal TransductionSubstance Withdrawal SyndromeCocaine self-administration and locomotor sensitization are not altered in CART knockout mice
Steiner RC, Hsiung HM, Picciotto MR. Cocaine self-administration and locomotor sensitization are not altered in CART knockout mice. Behavioural Brain Research 2006, 171: 56-62. PMID: 16621045, DOI: 10.1016/j.bbr.2006.03.022.Peer-Reviewed Original ResearchConceptsKnockout miceLocomotor sensitizationCocaine-induced locomotor sensitizationAmphetamine-regulated transcriptEffects of psychostimulantsRange of dosesAcute cocaineBone resorptionAmphetamine injectionsNucleus accumbensIntravenous cocaineIntact animalsMiceCocaineSchedule of reinforcementInsulin regulationCART geneSensitizationWild-type siblingsPhysiological functionsRegulatory roleStriatumAccumbensPsychostimulantsRats
1999
Assessment of nicotinic acetylcholine receptor subunit contributions to nicotine self-administration in mutant mice
Epping-Jordan M, Picciotto M, Changeux J, Pich EM. Assessment of nicotinic acetylcholine receptor subunit contributions to nicotine self-administration in mutant mice. Psychopharmacology 1999, 147: 25-26. PMID: 10591862, DOI: 10.1007/s002130051135.Peer-Reviewed Original Research