2020
GABA interneurons are the cellular trigger for ketamine’s rapid antidepressant actions
Gerhard DM, Pothula S, Liu RJ, Wu M, Li XY, Girgenti MJ, Taylor SR, Duman CH, Delpire E, Picciotto M, Wohleb ES, Duman RS. GABA interneurons are the cellular trigger for ketamine’s rapid antidepressant actions. Journal Of Clinical Investigation 2020, 130: 1336-1349. PMID: 31743111, PMCID: PMC7269589, DOI: 10.1172/jci130808.Peer-Reviewed Original ResearchConceptsRapid antidepressant actionsAntidepressant actionGABA interneuronsMedial prefrontal cortexCell-specific knockdownPrinciple neuronsPrefrontal cortexDeletion of GluN2BSingle subanesthetic doseBehavioral actionsAction of ketamineNMDA receptor antagonistExcitatory postsynaptic currentsCellular triggersMajor unmet needKetamine's rapid antidepressant actionsGABA subtypeGluN2B-NMDARsSST interneuronsPostsynaptic currentsReceptor antagonistDepressed patientsSubanesthetic doseExtracellular glutamateMood disorders
2017
BDNF release and signaling are required for the antidepressant actions of GLYX-13
Kato T, Fogaça MV, Deyama S, Li XY, Fukumoto K, Duman RS. BDNF release and signaling are required for the antidepressant actions of GLYX-13. Molecular Psychiatry 2017, 23: 2007-2017. PMID: 29203848, PMCID: PMC5988860, DOI: 10.1038/mp.2017.220.Peer-Reviewed Original ResearchConceptsGLYX-13Antidepressant actionAntidepressant effectsIntra-medial prefrontal cortex infusionN-methyl-d-aspartate modulatorsActivation of VDCCsAntidepressant behavioral actionsConventional antidepressant medicationRapid antidepressant actionsActivity-dependent releaseVoltage-dependent Ca2Partial agonist propertiesPreclinical rodent modelsBDNF Val66Met allelesBDNF-TrkBAntidepressant medicationBDNF releaseGlutamatergic compoundsMonoaminergic systemsDepressed patientsRodent modelsAgonist propertiesVal66Met alleleTherapeutic efficacyMutant mice
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
2007
Chronic Unpredictable Stress Decreases Cell Proliferation in the Cerebral Cortex of the Adult Rat
Banasr M, Valentine GW, Li XY, Gourley SL, Taylor JR, Duman RS. Chronic Unpredictable Stress Decreases Cell Proliferation in the Cerebral Cortex of the Adult Rat. Biological Psychiatry 2007, 62: 496-504. PMID: 17585885, DOI: 10.1016/j.biopsych.2007.02.006.Peer-Reviewed Original ResearchConceptsChronic unpredictable stressCell proliferationAdult ratsPrefrontal cortexChronic antidepressant administrationNumber of gliaNumber of oligodendrocytesPotential cellular mechanismsCortical cell proliferationDecrease cell proliferationAntidepressant administrationCUS paradigmGlial reductionCerebral cortexSucrose preferenceDepressed patientsMorphologic findingsPostmortem studiesUnpredictable stressDepressed subjectsBrain tissueChronic stressEndothelial cellsCellular actionsCortex