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 inhibitionStimulationBlockadeInverted-U dopamine D1 receptor actions on prefrontal neurons engaged in working memory
Vijayraghavan S, Wang M, Birnbaum SG, Williams GV, Arnsten AF. Inverted-U dopamine D1 receptor actions on prefrontal neurons engaged in working memory. Nature Neuroscience 2007, 10: 376-384. PMID: 17277774, DOI: 10.1038/nn1846.Peer-Reviewed Original ResearchAction PotentialsAnalysis of VarianceAnimalsBehavior, AnimalCyclic AMPDopamine AgentsDose-Response Relationship, DrugDrug InteractionsIontophoresisMacaca mulattaMaleMaze LearningMemory, Short-TermNeuronsNeuropsychological TestsPrefrontal CortexRatsRats, Sprague-DawleyReceptors, Dopamine D1Sensitivity and SpecificityThionucleotides
2000
Stress impairs prefrontal cortical function in rats and monkeys: role of dopamine D1 and norepinephrine α-1 receptor mechanisms
Arnsten A. Stress impairs prefrontal cortical function in rats and monkeys: role of dopamine D1 and norepinephrine α-1 receptor mechanisms. Progress In Brain Research 2000, 126: 183-192. PMID: 11105647, DOI: 10.1016/s0079-6123(00)26014-7.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAmygdalaAnimalsAttentionCalcium SignalingCyclic AMPCyclic AMP-Dependent Protein KinasesDopamineHaplorhiniHelplessness, LearnedHumansMemory DisordersModels, NeurologicalModels, PsychologicalNerve Tissue ProteinsNoiseNorepinephrinePhosphatidylinositol Diacylglycerol-LyasePrefrontal CortexRatsReceptors, Adrenergic, alpha-1Receptors, Dopamine D1Second Messenger SystemsStress, PhysiologicalType C PhospholipasesConceptsMemory functionSensory cortexLong-term memory consolidationLong-term memoryPrefrontal cortical functionAssociative memory functionStress-induced deficitsAttentional regulationFocus of attentionAversive eventsMemory consolidationSalient signalsCortical functionProminent stimulusNorepinephrine αHigh levelsAmygdalaCortexCatecholamine releaseAttentionMemoryStimuliDeficitsΒ-receptor stimulationD1 receptors