2011
Brain-Derived Neurotrophic Factor Val66Met Allele Impairs Basal and Ketamine-Stimulated Synaptogenesis in Prefrontal Cortex
Liu RJ, Lee FS, Li XY, Bambico F, Duman RS, Aghajanian GK. Brain-Derived Neurotrophic Factor Val66Met Allele Impairs Basal and Ketamine-Stimulated Synaptogenesis in Prefrontal Cortex. Biological Psychiatry 2011, 71: 996-1005. PMID: 22036038, PMCID: PMC3290730, DOI: 10.1016/j.biopsych.2011.09.030.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAnimalsBrain-Derived Neurotrophic FactorDendritesDepressive Disorder, MajorExcitatory Amino Acid AntagonistsExcitatory Postsynaptic PotentialsKetamineMiceMice, TransgenicPatch-Clamp TechniquesPolymorphism, GeneticPrefrontal CortexPyramidal CellsReceptors, N-Methyl-D-AspartateRNA, MessengerSynapsesConceptsBDNF messenger RNAMet miceVal/MetPrefrontal cortexSynaptic deficitsPyramidal cellsBrain-derived neurotrophic factor (BDNF) Val66Met polymorphismNeurotrophic factor Val66Met polymorphismLayer V pyramidal cellsMet alleleDistal apical dendritesExcitatory postsynaptic currentsWhole-cell recordingsPFC pyramidal cellsBDNF Met alleleMet/MetTwo-photon laser scanningMessenger RNAAspartate antagonistAntidepressant actionAntidepressant responseSpine densityVal66Met polymorphismApical dendritesPostsynaptic currentsGlutamate N-methyl-D-aspartate Receptor Antagonists Rapidly Reverse Behavioral and Synaptic Deficits Caused by Chronic Stress Exposure
Li N, Liu RJ, Dwyer JM, Banasr M, Lee B, Son H, Li XY, Aghajanian G, Duman RS. Glutamate N-methyl-D-aspartate Receptor Antagonists Rapidly Reverse Behavioral and Synaptic Deficits Caused by Chronic Stress Exposure. Biological Psychiatry 2011, 69: 754-761. PMID: 21292242, PMCID: PMC3068225, DOI: 10.1016/j.biopsych.2010.12.015.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AnimalBlotting, WesternChoice BehaviorDendritic SpinesElectrophysiologyExcitatory Amino Acid AntagonistsKetamineNeuronsPhenolsPiperidinesPrefrontal CortexRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateSignal TransductionSirolimusStress, PhysiologicalStress, PsychologicalSynapsesSynaptic TransmissionConceptsGlutamate N-methyl-d-aspartate (NMDA) receptor antagonistN-methyl-D-aspartate receptor antagonistNMDA receptor antagonistReceptor antagonistLayer V pyramidal neuronsChronic unpredictable stress modelMammalian targetStress exposureDepressant-like behaviorLong-term stress exposurePathophysiology of depressionRapid antidepressant actionsSelective NMDA receptorChronic stress exposurePrefrontal cortex neuronsAntidepressant actionAcute treatmentChronic administrationSynaptic deficitsPyramidal neuronsSpine densityRo 25Cortex neuronsFunctional deficitsNMDA receptors
2010
mTOR-Dependent Synapse Formation Underlies the Rapid Antidepressant Effects of NMDA Antagonists
Li N, Lee B, Liu RJ, Banasr M, Dwyer JM, Iwata M, Li XY, Aghajanian G, Duman RS. mTOR-Dependent Synapse Formation Underlies the Rapid Antidepressant Effects of NMDA Antagonists. Science 2010, 329: 959-964. PMID: 20724638, PMCID: PMC3116441, DOI: 10.1126/science.1190287.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntidepressive AgentsDendritic SpinesDepressionIntracellular Signaling Peptides and ProteinsKetamineMaleNeuronsNeuropeptidesPhenolsPiperidinesProtein BiosynthesisProtein Serine-Threonine KinasesRatsRats, Sprague-DawleyReceptors, N-Methyl-D-AspartateSignal TransductionSirolimusSynapsesTime FactorsTOR Serine-Threonine KinasesConceptsTreatment-resistant depressed patientsBlockade of mTORFast antidepressant actionAction of ketamineRapid antidepressant effectsRapid antidepressant responseEffects of ketamineModel of depressionAntidepressant actionAntidepressant effectsAntidepressant responseKetamine inductionStandard medicationSynaptic deficitsKetamine administrationDepressed patientsSpine synapsesNMDA antagonistsMood disordersSynapse formationKetamineMammalian targetPrefrontal cortexRapamycin (mTOR) pathwayPossible new approach