2024
Effects of ketamine on GABAergic and glutamatergic activity in the mPFC: biphasic recruitment of GABA function in antidepressant-like responses
Fogaça M, Daher F, Picciotto M. Effects of ketamine on GABAergic and glutamatergic activity in the mPFC: biphasic recruitment of GABA function in antidepressant-like responses. Neuropsychopharmacology 2024, 1-12. PMID: 39390105, DOI: 10.1038/s41386-024-02002-1.Peer-Reviewed Original ResearchNovelty suppressed feeding testMedial prefrontal cortexSucrose splash testEffects of ketamineAntidepressant-like responseMajor depressive disorderGABAergic activityGABA interneuronsGlutamatergic activityGABA neuronsSustained antidepressant effectsGABA neuron activityLow dose of ketamineAdministration of ketamineDose of ketamineAntidepressant responseAntidepressant developmentSplash testAntidepressant effectsPrefrontal cortexDepressive disorderChemogenetic inhibitionBehavioral actionsAssociated with disruptionGABA function
2023
M1 acetylcholine receptors in somatostatin interneurons contribute to GABAergic and glutamatergic plasticity in the mPFC and antidepressant-like responses
Fogaça M, Wu M, Li C, Li X, Duman R, Picciotto M. M1 acetylcholine receptors in somatostatin interneurons contribute to GABAergic and glutamatergic plasticity in the mPFC and antidepressant-like responses. Neuropsychopharmacology 2023, 48: 1277-1287. PMID: 37142667, PMCID: PMC10354201, DOI: 10.1038/s41386-023-01583-7.Peer-Reviewed Original ResearchConceptsAntidepressant-like effectsMedial prefrontal cortexGABAergic functionSomatostatin interneuronsSST interneuronsGlutamatergic plasticityAcetylcholine receptorsNon-selective muscarinic receptor antagonistRapid antidepressant-like effectsAntidepressant-like responseImpaired synaptic plasticityChronic unpredictable stressMuscarinic receptor antagonistModulation of excitatoryMajor depressive disorderScopolamine-induced increaseStress-induced impairmentM1 acetylcholine receptorExpression of GABAergicAntidepressant developmentGlutamatergic markersReceptor antagonistDepressive disorderLimbic regionsUnpredictable stress