2024
The circuit mechanisms of working memory: Key roles of the dorsolateral prefrontal cortex
Arnsten A, Martinez-Trujillo J. The circuit mechanisms of working memory: Key roles of the dorsolateral prefrontal cortex. 2024 DOI: 10.1016/b978-0-443-15754-7.00038-9.Peer-Reviewed Original ResearchDorsolateral prefrontal cortexPrefrontal cortexWorking memoryMechanisms of working memorySpatial working memoryPosterior association cortexExecutive functionMediodorsal thalamusSketch padMental representationsAssociation cortexSubcortical connectionsCholinergic neurotransmissionCircuit mechanismsRecurrent excitatory circuitsNMDA receptorsAbstract thoughtPersistent firingPrimate researchCortexDlPFCExcitatory circuitsMemorySensory stimulationAlzheimer's disease
2023
Clinical experience with the α2A-adrenoceptor agonist, guanfacine, and N-acetylcysteine for the treatment of cognitive deficits in “Long-COVID19”
Fesharaki-Zadeh A, Lowe N, Arnsten A. Clinical experience with the α2A-adrenoceptor agonist, guanfacine, and N-acetylcysteine for the treatment of cognitive deficits in “Long-COVID19”. Neuroimmunology Reports 2023, 3: 100154. DOI: 10.1016/j.nerep.2022.100154.Peer-Reviewed Original ResearchN-acetylcysteineCognitive deficitsΑ2A-adrenoceptor agonistsPrefrontal cortexCOVID19 infectionPlacebo-controlled trialOpen-label treatmentCommon side effectsExecutive functionPFC connectionsBrain fogAcid blockadeLabel treatmentHypotensive episodesGuanfacine treatmentNMDA receptorsPatient brieflySide effectsClinical experienceGuanfacineCognitive impairmentPatientsPrefrontal connectivityDemonstrate efficacyPrefrontal function
2013
Nicotinic α7 receptors enhance NMDA cognitive circuits in dorsolateral prefrontal cortex
Yang Y, Paspalas CD, Jin LE, Picciotto MR, Arnsten AF, Wang M. Nicotinic α7 receptors enhance NMDA cognitive circuits in dorsolateral prefrontal cortex. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 12078-12083. PMID: 23818597, PMCID: PMC3718126, DOI: 10.1073/pnas.1307849110.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAconitineAlpha7 Nicotinic Acetylcholine ReceptorAnalysis of VarianceAnimalsBridged Bicyclo Compounds, HeterocyclicCholinergic AgonistsCholinergic AntagonistsCognitionFemaleIontophoresisMacaca mulattaMaleMecamylamineMicroscopy, ImmunoelectronN-MethylaspartatePhenolsPiperidinesPrefrontal CortexQuinuclidinesReceptors, NicotinicSpatial BehaviorSynapsesVisual PerceptionConceptsDorsolateral prefrontal cortexΑ7 nAChRsPrefrontal cortexΑ7 nicotinic acetylcholine receptorGlutamatergic NMDA receptorsCognitive circuitsNicotinic α7 receptorsPrimary visual cortexNMDA receptor actionGenetic insultsNicotinic acetylcholine receptorsDlPFC circuitsPrimate dlPFCACh depletionNMDA actionNMDA receptorsPyramidal cellsΑ7 receptorsNeuronal firingNAChR blockadeAcetylcholine receptorsVisual cortexPersistent firingCognitive functionLow-dose stimulationNMDA Receptors Subserve Persistent Neuronal Firing during Working Memory in Dorsolateral Prefrontal Cortex
Wang M, Yang Y, Wang CJ, Gamo NJ, Jin LE, Mazer JA, Morrison JH, Wang XJ, Arnsten AF. NMDA Receptors Subserve Persistent Neuronal Firing during Working Memory in Dorsolateral Prefrontal Cortex. Neuron 2013, 77: 736-749. PMID: 23439125, PMCID: PMC3584418, DOI: 10.1016/j.neuron.2012.12.032.Peer-Reviewed Original ResearchConceptsPersistent firingDorsolateral prefrontal cortexAMPA receptorsPrefrontal cortexPrimate dorsolateral prefrontal cortexSystemic ketamine administrationPersistent neuronal firingAMPAR blockadePrimate dlPFCKetamine actionKetamine administrationNMDAR blockadeNMDA receptorsSystemic ketamineNetwork firingNeuronal firingAlzheimer's diseaseReceptor influencesImpair cognitionResponse cellsRecurrent excitationSensory stimulation