2014
The VMAT-2 Inhibitor Tetrabenazine Affects Effort-Related Decision Making in a Progressive Ratio/Chow Feeding Choice Task: Reversal with Antidepressant Drugs
Randall P, Lee C, Nunes E, Yohn S, Nowak V, Khan B, Shah P, Pandit S, Vemuri V, Makriyannis A, Baqi Y, Müller C, Correa M, Salamone J. The VMAT-2 Inhibitor Tetrabenazine Affects Effort-Related Decision Making in a Progressive Ratio/Chow Feeding Choice Task: Reversal with Antidepressant Drugs. PLOS ONE 2014, 9: e99320. PMID: 24937131, PMCID: PMC4061002, DOI: 10.1371/journal.pone.0099320.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntidepressive AgentsBenzazepinesBenzophenonesBupropionCannabinoid Receptor AntagonistsChoice BehaviorDepressionDopamine AntagonistsDrug Evaluation, PreclinicalFeeding BehaviorMaleNitrophenolsPyrazolesRats, Sprague-DawleySalicylamidesSelegilineTetrabenazineTolcaponeVesicular Monoamine Transport ProteinsXanthinesConceptsChow intakeAdenosine A2A antagonist MSX-3Vesicular monoamine transport (VMAT-2) inhibitor tetrabenazineCB1 receptor neutral antagonistsMAO-B inhibitor deprenylEffort-related decisionAppetite suppressant drugsVMAT-2 inhibitor tetrabenazineProgressive ratioDA antagonist haloperidolInhibitor tetrabenazineEffort-related effectsMSX-3High-carbohydrate foodsAntagonist haloperidolDepressed patientsMajor depressionAntidepressant drugsLab chowRodent modelsDepressive symptomsMotivational symptomsAnimal modelsSelective dopaminePsychomotor retardation
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 intakeEffort-related motivational effects of the pro-inflammatory cytokine interleukin 1-beta: studies with the concurrent fixed ratio 5/ chow feeding choice task
Nunes E, Randall P, Estrada A, Epling B, Hart E, Lee C, Baqi Y, Müller C, Correa M, Salamone J. Effort-related motivational effects of the pro-inflammatory cytokine interleukin 1-beta: studies with the concurrent fixed ratio 5/ chow feeding choice task. Psychopharmacology 2013, 231: 727-736. PMID: 24136220, PMCID: PMC4468782, DOI: 10.1007/s00213-013-3285-4.Peer-Reviewed Original ResearchConceptsPro-inflammatory cytokines interleukinIL-1βMotivational symptomsEffort-related choice behaviorCytokines interleukinLow dosesEffort-related motivational effectsEffort-related motivational symptomsPro-inflammatory cytokinesLoss of appetiteInvolvement of cytokinesAdministration of cytokinesRatio 5 leverSame dose rangeAdenosine A2A antagonistsEffort-related impairmentsCore body temperatureObjectivesThe present experimentsChow intakeMSX-3ResultsIL-1βAvailable chowFood intakeTendency of ratsA2A antagonistsNucleus accumbens neurotransmission and effort-related choice behavior in food motivation: Effects of drugs acting on dopamine, adenosine, and muscarinic acetylcholine receptors
Nunes E, Randall P, Podurgiel S, Correa M, Salamone J. Nucleus accumbens neurotransmission and effort-related choice behavior in food motivation: Effects of drugs acting on dopamine, adenosine, and muscarinic acetylcholine receptors. Neuroscience & Biobehavioral Reviews 2013, 37: 2015-2025. PMID: 23583616, DOI: 10.1016/j.neubiorev.2013.04.002.Peer-Reviewed Original ResearchMeSH KeywordsAdenosineAnimalsChoice BehaviorDopamineFeeding BehaviorHumansMotivationNucleus AccumbensReceptors, MuscarinicSynaptic TransmissionConceptsEffort-related choice behaviorMuscarinic acetylcholine receptorsDA antagonismEffort-related processesNAc coreAcetylcholine receptorsFood motivationAspects of appetiteControl site dorsalPrimary food motivationA2A receptor stimulationMuscarinic antagonist scopolamineDA D2 antagonistsAction of pilocarpineAdenosine A2A receptorsAdenosine A2A antagonistsEffects of drugsEffort-related choiceFood-seeking behaviorSites dorsalChow intakeDA depletionDA transmissionMuscarinic receptorsD2 antagonist
2012
Dopaminergic Modulation of Effort-Related Choice Behavior as Assessed by a Progressive Ratio Chow Feeding Choice Task: Pharmacological Studies and the Role of Individual Differences
Randall P, Pardo M, Nunes E, Cruz L, Vemuri V, Makriyannis A, Baqi Y, Müller C, Correa M, Salamone J. Dopaminergic Modulation of Effort-Related Choice Behavior as Assessed by a Progressive Ratio Chow Feeding Choice Task: Pharmacological Studies and the Role of Individual Differences. PLOS ONE 2012, 7: e47934. PMID: 23110135, PMCID: PMC3478264, DOI: 10.1371/journal.pone.0047934.Peer-Reviewed Original ResearchMeSH Keywords3,3'-DiaminobenzidineAdenosine A2 Receptor AntagonistsAnalysis of VarianceAnimal FeedAnimal Nutritional Physiological PhenomenaAnimalsChoice BehaviorDopamineDopamine and cAMP-Regulated Phosphoprotein 32Dopamine AntagonistsFeeding BehaviorHaloperidolImmunohistochemistryIndividualityMalePiperidinesPyrazolesRatsRats, Sprague-DawleyXanthinesConceptsProgressive ratioLever pressesPrimary food motivationNucleus accumbens coreCB1 inverse agonistsFood-seeking behaviorChow intakeMSX-3DA transmissionDA antagonismDopaminergic modulationDrug treatmentHigh respondersLaboratory chowLow respondersChow consumptionEffort-related processesSignal transduction activityAccumbens coreMesolimbic dopaminePharmacological studiesFood-reinforced tasksInverse agonistBehavioral activationFood motivation
2010
The novel cannabinoid CB1 antagonist AM6545 suppresses food intake and food-reinforced behavior
Randall P, Vemuri V, Segovia K, Torres E, Hosmer S, Nunes E, Santerre J, Makriyannis A, Salamone J. The novel cannabinoid CB1 antagonist AM6545 suppresses food intake and food-reinforced behavior. Pharmacology Biochemistry And Behavior 2010, 97: 179-184. PMID: 20713079, PMCID: PMC3522179, DOI: 10.1016/j.pbb.2010.07.021.Peer-Reviewed Original ResearchConceptsAppetite suppressant drugsFood-motivated behaviorHigh-fat dietCentral nervous systemFood-reinforced behaviorSame dose rangeCB1 inverse agonistsUndesirable side effectsChow intakeIntraperitoneal administrationAM6545CB1 receptorsAppetite suppressantsCannabinoid antagonistFood intakeHigh doseSide effectsNervous systemPoor penetrabilityInverse agonistNeutral antagonistsDose rangeMild suppressionIntakeAntagonistDifferential effects of selective adenosine antagonists on the effort-related impairments induced by dopamine D1 and D2 antagonism
Nunes E, Randall P, Santerre J, Given A, Sager T, Correa M, Salamone J. Differential effects of selective adenosine antagonists on the effort-related impairments induced by dopamine D1 and D2 antagonism. Neuroscience 2010, 170: 268-280. PMID: 20600675, PMCID: PMC3268040, DOI: 10.1016/j.neuroscience.2010.05.068.Peer-Reviewed Original ResearchConceptsEffects of dopamineEffects of ecopipamSame striatal neuronsEffects of adenosineAbility of adenosineEffort-related impairmentsEffort-related choiceFood-seeking behaviorEffort-related choice behaviorConcurrent leverChow intakeDA transmissionSelective adenosine antagonistsStriatal neuronsReceptor antagonistRodent chowDopamine D1D2 antagonismPsychiatric symptomsPsychomotor slowingAdenosine antagonistEffort-related processesBrain circuitryAntagonistMesolimbic dopamineNucleus 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
Differential 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 A1