2013
Effort-Related Motivational Effects of the VMAT-2 Inhibitor Tetrabenazine: Implications for Animal Models of the Motivational Symptoms of Depression
Nunes E, Randall P, Hart E, Freeland C, Yohn S, Baqi Y, Müller C, López-Cruz L, Correa M, Salamone J. Effort-Related Motivational Effects of the VMAT-2 Inhibitor Tetrabenazine: Implications for Animal Models of the Motivational Symptoms of Depression. Journal Of Neuroscience 2013, 33: 19120-19130. PMID: 24305809, PMCID: PMC3850037, DOI: 10.1523/jneurosci.2730-13.2013.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine A2 Receptor AntagonistsAdrenergic Uptake InhibitorsAnimalsAntidepressive Agents, Second-GenerationBehavior, AnimalBupropionConditioning, OperantDepressionDisease Models, AnimalDopamineDopamine and cAMP-Regulated Phosphoprotein 32EnkephalinsFeeding BehaviorImmunohistochemistryMaleMicrodialysisMotivationNucleus AccumbensProto-Oncogene Proteins c-fosRatsRats, Sprague-DawleySubstance PTetrabenazineVesicular Monoamine Transport ProteinsXanthinesConceptsMotivational symptomsAnimal modelsEffort-related choice behaviorAdenosine A2A antagonist MSX-3Vesicular monoamine transport (VMAT-2) inhibitor tetrabenazineEffort-related motivational effectsEffort-related motivational symptomsAccumbens medium spiny neuronsVMAT-2 inhibitor tetrabenazineD2 DA receptorsDepression-like effectsDose-related decreaseMedium spiny neuronsEffects of tetrabenazineInhibitor tetrabenazineEffort-related choiceEffort-related effectsDA receptorsAntidepressant bupropionChow intakeMSX-3Spiny neuronsMajor depressionExtracellular dopamineFood intake
2011
Stimulant effects of adenosine antagonists on operant behavior: differential actions of selective A2A and A1 antagonists
Randall P, Nunes E, Janniere S, Stopper C, Farrar A, Sager T, Baqi Y, Hockemeyer J, Müller C, Salamone J. Stimulant effects of adenosine antagonists on operant behavior: differential actions of selective A2A and A1 antagonists. Psychopharmacology 2011, 216: 173-186. PMID: 21347642, PMCID: PMC3522121, DOI: 10.1007/s00213-011-2198-3.Peer-Reviewed Original Research
2010
Nucleus accumbens and effort-related functions: behavioral and neural markers of the interactions between adenosine A2A and dopamine D2 receptors
Farrar A, Segovia K, Randall P, Nunes E, Collins L, Stopper C, Port R, Hockemeyer J, Müller C, Correa M, Salamone J. Nucleus accumbens and effort-related functions: behavioral and neural markers of the interactions between adenosine A2A and dopamine D2 receptors. Neuroscience 2010, 166: 1056-1067. PMID: 20096336, DOI: 10.1016/j.neuroscience.2009.12.056.Peer-Reviewed Original Research
2009
Intracerebroventricular administration of cannabinoid CB1 receptor antagonists AM251 and AM4113 fails to alter food-reinforced behavior in rats
Sink K, Segovia K, Nunes E, Collins L, Vemuri V, Thakur G, Makriyannis A, Salamone J. Intracerebroventricular administration of cannabinoid CB1 receptor antagonists AM251 and AM4113 fails to alter food-reinforced behavior in rats. Psychopharmacology 2009, 206: 223-232. PMID: 19588124, PMCID: PMC4425366, DOI: 10.1007/s00213-009-1602-8.Peer-Reviewed Original ResearchMeSH KeywordsAnalysis of VarianceAnimalsBehavior, AnimalConditioning, OperantDose-Response Relationship, DrugDrug Administration RoutesDrug InteractionsEatingFood DeprivationInjections, IntraventricularMaleMotor ActivityPiperidinesPyrazolesRatsRats, Sprague-DawleyReceptor, Cannabinoid, CB1Reinforcement ScheduleReinforcement, PsychologyConceptsFood-reinforced behaviorCB1 receptorsLocomotor suppressionFood-motivated behaviorCannabinoid CB1 receptorsCB1 neutral antagonistsSame dose rangeModulation of locomotionIntracerebroventricular administrationICV administrationLocus of actionLower brainstemReceptor transmissionPeripheral receptorsSystemic administrationLateral ventricleAppetite suppressantsNucleus accumbensAM251AM4113Inverse agonistNeutral antagonistsDose rangeAdministrationReceptorsDifferential actions of adenosine A1 and A2A antagonists on the effort-related effects of dopamine D2 antagonism
Salamone J, Farrar A, Font L, Patel V, Schlar D, Nunes E, Collins L, Sager T. Differential actions of adenosine A1 and A2A antagonists on the effort-related effects of dopamine D2 antagonism. Behavioural Brain Research 2009, 201: 216-222. PMID: 19428636, PMCID: PMC2806666, DOI: 10.1016/j.bbr.2009.02.021.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine A1 Receptor AntagonistsAdenosine A2 Receptor AntagonistsAnalysis of VarianceAnimalsBehavior, AnimalCaffeineCentral Nervous System AgentsChoice BehaviorConditioning, OperantDopamine AntagonistsDopamine D2 Receptor AntagonistsFeeding BehaviorHaloperidolMaleMotivationPurinesRatsRats, Sprague-DawleyReinforcement ScheduleXanthinesConceptsAdenosine antagonist caffeineEffort-related effectsAntagonist DPCPXAntagonist caffeineDopamine D2 antagonismPreferred lab chowEffects of dopamineEffects of haloperidolAbsence of haloperidolRatio 5 scheduleEffort-related choice behaviorStriatal neuronsReceptor antagonistStriatal areasIP injectionD2 antagonismDopamine receptorsLab chowAdenosine A1The adenosine A2A antagonist MSX-3 reverses the effects of the dopamine antagonist haloperidol on effort-related decision making in a T-maze cost/benefit procedure
Mott A, Nunes E, Collins L, Port R, Sink K, Hockemeyer J, Müller C, Salamone J. The adenosine A2A antagonist MSX-3 reverses the effects of the dopamine antagonist haloperidol on effort-related decision making in a T-maze cost/benefit procedure. Psychopharmacology 2009, 204: 103. PMID: 19132351, PMCID: PMC2875244, DOI: 10.1007/s00213-008-1441-z.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine A1 Receptor AntagonistsAdenosine A2 Receptor AntagonistsAnimalsBehavior, AnimalChoice BehaviorConditioning, OperantDopamine AntagonistsDose-Response Relationship, DrugDrug InteractionsHaloperidolMaleMaze LearningMotivationNucleus AccumbensPhysical ExertionPsychomotor PerformanceRatsRats, Sprague-DawleyReceptor, Adenosine A1Receptors, Adenosine A2Reinforcement ScheduleXanthinesConceptsEffort-related choiceMSX-3Antagonist haloperidolAdenosine A2A antagonist MSX-3Receptor antagonist MSX-3Adenosine A2A antagonismDA antagonist haloperidolDopamine antagonist haloperidolEffects of haloperidolEffort-related decision makingFood-seeking behaviorA2A antagonismDA transmissionUntreated ratsA1 antagonistD2 receptorsPsychiatric symptomsAdenosine A2APsychomotor slowingA1 antagonismEffort-related processesBrain circuitryFood-reinforced tasksHaloperidolBehavioral activation