2019
Ketamine rapidly reverses stress-induced impairments in GABAergic transmission in the prefrontal cortex in male rodents
Ghosal S, Duman CH, Liu RJ, Wu M, Terwilliger R, Girgenti MJ, Wohleb E, Fogaca MV, Teichman EM, Hare B, Duman RS. Ketamine rapidly reverses stress-induced impairments in GABAergic transmission in the prefrontal cortex in male rodents. Neurobiology Of Disease 2019, 134: 104669. PMID: 31707118, DOI: 10.1016/j.nbd.2019.104669.Peer-Reviewed Original ResearchConceptsChronic unpredictable stressMedial prefrontal cortexInhibitory post-synaptic currentsGABAergic transmissionSingle doseMale rodentsPrefrontal cortexImbalance of inhibitoryMPFC pyramidal neuronsDepressive-like behaviorDepression-like behaviorStress-induced impairmentModel of depressionPost-synaptic currentsPrecise cellular mechanismsGABAergic proteinsAntidepressant ketamineSynaptic deficitsGABAergic synapsesPyramidal neuronsSynaptic markersGABA markersGlutamate neurotransmissionDepressive behaviorGABA neurotransmissionSestrin modulator NV-5138 produces rapid antidepressant effects via direct mTORC1 activation
Kato T, Pothula S, Liu RJ, Duman CH, Terwilliger R, Vlasuk GP, Saiah E, Hahm S, Duman RS. Sestrin modulator NV-5138 produces rapid antidepressant effects via direct mTORC1 activation. Journal Of Clinical Investigation 2019, 129: 2542-2554. PMID: 30990795, PMCID: PMC6546461, DOI: 10.1172/jci126859.Peer-Reviewed Original ResearchConceptsMedial prefrontal cortexRapid acting antidepressantsActing antidepressantsAntidepressant actionAntidepressant effectsBDNF releaseActivity-dependent BDNF releaseRapid antidepressant effectsBlood-brain barrierChronic stress exposureSynaptic deficitsBDNF polymorphismSingle doseBrain barrierSynapse numberPreclinical studiesPharmacological modulationNeuronal activityChronic stressPrefrontal cortexRapid synapticStress exposureBehavioral responsesAmino acid leucineAntidepressants
2018
Activity-dependent brain-derived neurotrophic factor signaling is required for the antidepressant actions of (2R,6R)-hydroxynorketamine
Fukumoto K, Fogaça M, Liu RJ, Duman C, Kato T, Li XY, Duman RS. Activity-dependent brain-derived neurotrophic factor signaling is required for the antidepressant actions of (2R,6R)-hydroxynorketamine. Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 116: 297-302. PMID: 30559184, PMCID: PMC6320534, DOI: 10.1073/pnas.1814709116.Peer-Reviewed Original ResearchConceptsActivity-dependent BDNF releaseAntidepressant effectsAntidepressant actionBDNF releaseActivity-dependent brain-derived neurotrophic factorL-type voltage-dependent CaSynaptic functionBrain-derived neurotrophic factorMajor depressive disorder patientsMethyl-d-aspartate (NMDA) receptor antagonistIntra-mPFC microinjectionRapid antidepressant effectsDepressive disorder patientsTreatment of MDDBDNF Val66Met allelesVoltage-dependent CaIntra-mPFC infusionMetabolite of ketamineDownstream TrkBNeurotrophic factorReceptor antagonistNMDA receptorsMolecular signaling mechanismsRodent modelsDisorder patients