2022
Imaging the effect of ketamine on synaptic density (SV2A) in the living brain
Holmes SE, Finnema SJ, Naganawa M, DellaGioia N, Holden D, Fowles K, Davis M, Ropchan J, Emory P, Ye Y, Nabulsi N, Matuskey D, Angarita GA, Pietrzak RH, Duman RS, Sanacora G, Krystal JH, Carson RE, Esterlis I. Imaging the effect of ketamine on synaptic density (SV2A) in the living brain. Molecular Psychiatry 2022, 27: 2273-2281. PMID: 35165397, PMCID: PMC9133063, DOI: 10.1038/s41380-022-01465-2.Peer-Reviewed Original ResearchConceptsKetamine's therapeutic effectsMajor depressive disorderTherapeutic effectPositron emission tomographyPosttraumatic stress disorderHealthy controlsSynaptic connectionsSynaptic vesicle protein 2APost-synaptic mechanismsEffects of ketamineDiscovery of ketamineNon-human primatesAntidepressant effectsDepressive disorderSingle administrationSynaptic densityPsychiatric disordersDepression severityKetamineEmission tomographyTerminal densityLiving brainStress disorderRobust reductionDissociative symptoms
2010
Prevention of ketamine-induced working memory impairments by AMPA potentiators in a nonhuman primate model of cognitive dysfunction
Roberts B, Holden D, Shaffer C, Seymour P, Menniti F, Schmidt C, Williams G, Castner S. Prevention of ketamine-induced working memory impairments by AMPA potentiators in a nonhuman primate model of cognitive dysfunction. Behavioural Brain Research 2010, 212: 41-48. PMID: 20347881, DOI: 10.1016/j.bbr.2010.03.039.Peer-Reviewed Original ResearchMeSH KeywordsAlpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic AcidAnalysis of VarianceAnimalsAnimals, NewbornArea Under CurveDisease Models, AnimalDose-Response Relationship, DrugDrug Administration ScheduleExcitatory Amino Acid AgonistsKetamineMacaca fascicularisMacaca mulattaMemory DisordersMemory, Short-TermMotor ActivityNeuropsychological TestsReaction TimeSulfonamidesThiophenesTime FactorsConceptsCognitive impairment associated with schizophreniaAlpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acidMemory impairmentN-methyl-D-aspartateCognitive dysfunctionCore aspect of schizophreniaEffects of acute ketamineBehavioral effects of ketaminePositive modulators of AMPA receptorsEffects of positive allosteric modulatorsModel of cognitive dysfunctionAlpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid receptorsNegative-like symptomsWorking memory deficitsWorking memory impairmentModulation of AMPA receptorsEffects of ketaminePositive allosteric modulatorsRegulation of NMDA receptorsGlutamatergic synaptic transmissionAcute ketamineWorking memoryPF-4778574Antagonist ketamineMemory deficits