Positive modulation of NMDA receptors by AGN-241751 exerts rapid antidepressant-like effects via excitatory neurons
Pothula S, Liu RJ, Wu M, Sliby AN, Picciotto MR, Banerjee P, Duman RS. Positive modulation of NMDA receptors by AGN-241751 exerts rapid antidepressant-like effects via excitatory neurons. Neuropsychopharmacology 2020, 46: 799-808. PMID: 33059355, PMCID: PMC8027594, DOI: 10.1038/s41386-020-00882-7.Peer-Reviewed Original ResearchConceptsAntidepressant-like effectsMedial prefrontal cortexRapid antidepressant-like effectsGluN2B-containing NMDARsPositive allosteric modulatorsNMDAR positive allosteric modulatorExcitatory neuronsExerts antidepressant-like effectsAntidepressant-like behavioral effectsPrefrontal cortexBehavioral effectsAkt/mTORAntidepressant-like actionChronic unpredictable stressNMDA receptor activityRecent preclinical studiesMajor depressive disorderSpecific knockdownParvalbumin inhibitory neuronsCellular triggersSynaptic proteinsGlutamatergic systemNMDAR activityClinical trialsDepressive disorderGABA 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