2012
The novel adenosine A2A antagonist prodrug MSX-4 is effective in animal models related to motivational and motor functions
Santerre J, Nunes E, Kovner R, Leser C, Randall P, Collins-Praino L, Cruz L, Correa M, Baqi Y, Müller C, Salamone J. The novel adenosine A2A antagonist prodrug MSX-4 is effective in animal models related to motivational and motor functions. Pharmacology Biochemistry And Behavior 2012, 102: 477-487. PMID: 22705392, DOI: 10.1016/j.pbb.2012.06.009.Peer-Reviewed Original ResearchConceptsMSX-3Amino acid ester prodrugsTreatment of depressionDorsal striatal functionDopamine D2 receptorsSame dose rangeNucleus accumbens coreEffort-related choice behaviorConcurrent leverOral tremorD2 antagonistIntraperitoneal administrationActive dosesLocomotor suppressionMotor functionStriatal functionD2 receptorsAnxiogenic effectsMotor impairmentSelective adenosineAnimal modelsMotivational symptomsAccumbens coreAntiparkinsonian profileEster prodrugs
2010
Differential 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 dopamine