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
2019
N-Methyl-D-aspartate receptor antagonist d-methadone produces rapid, mTORC1-dependent antidepressant effects
Fogaça MV, Fukumoto K, Franklin T, Liu RJ, Duman CH, Vitolo OV, Duman RS. N-Methyl-D-aspartate receptor antagonist d-methadone produces rapid, mTORC1-dependent antidepressant effects. Neuropsychopharmacology 2019, 44: 2230-2238. PMID: 31454827, PMCID: PMC6898593, DOI: 10.1038/s41386-019-0501-x.Peer-Reviewed Original ResearchConceptsNovelty-suppressed feeding testMedial prefrontal cortexD-methadoneNMDA receptor antagonistAntidepressant actionPhospho-p70S6 kinaseReceptor antagonistN-methyl-D-aspartate receptorsNoncompetitive NMDA receptor antagonistTreatment-resistant patientsChronic unpredictable stressRapid antidepressant actionsDissociative side effectsPrimary cortical culturesMeasures of anhedoniaKetamine inducesAvailable antidepressantsTolerability profileAntidepressant effectsBDNF releaseAntidepressant responseResistant patientsFavorable safetySingle doseCortical cultures