2007
α2A-Adrenoceptors Strengthen Working Memory Networks by Inhibiting cAMP-HCN Channel Signaling in Prefrontal Cortex
Wang M, Ramos BP, Paspalas CD, Shu Y, Simen A, Duque A, Vijayraghavan S, Brennan A, Dudley A, Nou E, Mazer JA, McCormick DA, Arnsten AF. α2A-Adrenoceptors Strengthen Working Memory Networks by Inhibiting cAMP-HCN Channel Signaling in Prefrontal Cortex. Cell 2007, 129: 397-410. PMID: 17448997, DOI: 10.1016/j.cell.2007.03.015.Peer-Reviewed Original ResearchConceptsHCN channel blockadePrefrontal cortical neuronsDelay-related firingΑ2A adrenoceptorsChannel blockadeCortical neuronsInhibition of cAMPAlpha2A adrenoceptorsDendritic spinesNetwork firingElectrophysiological studiesPFC neuronsRecurrent excitationFunctional connectivityHCN channelsPrefrontal cortexHCN1 channelsPFC networksCAMP inhibitionStimulationBlockade
1997
Supranormal Stimulation of D1 Dopamine Receptors in the Rodent Prefrontal Cortex Impairs Spatial Working Memory Performance
Zahrt J, Taylor J, Mathew R, Arnsten A. Supranormal Stimulation of D1 Dopamine Receptors in the Rodent Prefrontal Cortex Impairs Spatial Working Memory Performance. Journal Of Neuroscience 1997, 17: 8528-8535. PMID: 9334425, PMCID: PMC6573725, DOI: 10.1523/jneurosci.17-21-08528.1997.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBenzazepinesDopamineDopamine AgonistsDopamine AntagonistsInfusions, ParenteralMaleMaze LearningMemoryModels, NeurologicalModels, PsychologicalPrefrontal CortexPsychomotor PerformanceRatsRats, Sprague-DawleyReceptors, Dopamine D1Receptors, N-Methyl-D-AspartateSpatial BehaviorStress, PsychologicalConceptsD1 receptor stimulationPrefrontal cortexReceptor stimulationSKF 81297SCH 23390D1 receptorsSupranormal stimulationPFC of ratsD1 receptor mechanismsDA receptor stimulationDose-related impairmentD1 receptor antagonistD1 receptor agonistD1 dopamine receptorsDelayed-alternation performanceMemory functionRecent electrophysiological studiesSpatial Working Memory PerformanceReceptor antagonistReceptor agonistDopamine receptorsReceptor mechanismsElectrophysiological studiesHigh dosesDrug efficacy