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
2022
ACh signaling modulates activity of the GABAergic signaling network in the basolateral amygdala and behavior in stress-relevant paradigms
Mineur YS, Mose TN, Maibom KL, Pittenger ST, Soares AR, Wu H, Taylor SR, Huang Y, Picciotto MR. ACh signaling modulates activity of the GABAergic signaling network in the basolateral amygdala and behavior in stress-relevant paradigms. Molecular Psychiatry 2022, 27: 4918-4927. PMID: 36050437, PMCID: PMC10718266, DOI: 10.1038/s41380-022-01749-7.Peer-Reviewed Original ResearchConceptsBasolateral amygdalaBLA neuronsBalance of inhibitoryHuman mood disordersLight-dark boxGABA interneuronsPV neuronsVIP neuronsCalmodulin-dependent protein kinase IIMale miceACh levelsMood disordersTail suspensionNeuronal activityNeuron subtypesAcetylcholineChronic stressInhibitory signalingBalance of activityHomeostatic functionsBLA activityStress-induced changesNeuronsSocial defeatProtein kinase II
2020
Inhibition of GABA interneurons in the mPFC is sufficient and necessary for rapid antidepressant responses
Fogaça MV, Wu M, Li C, Li XY, Picciotto MR, Duman RS. Inhibition of GABA interneurons in the mPFC is sufficient and necessary for rapid antidepressant responses. Molecular Psychiatry 2020, 26: 3277-3291. PMID: 33070149, PMCID: PMC8052382, DOI: 10.1038/s41380-020-00916-y.Peer-Reviewed Original ResearchConceptsGABA interneuronsRapid antidepressant responseMajor depressive disorderAntidepressant effectsSynaptic plasticityAntidepressant responseRapid-acting antidepressantsAcetylcholine muscarinic receptor antagonistMuscarinic receptor antagonistCortical brain areasEffects of scopolamineAntidepressant actionChemogenetic inhibitionGABAergic interneuronsReceptor antagonistDepressive disorderMale miceInterneuron subtypesBrain areasInterneuronsMPFCTransient inhibitionAffective behaviorInhibitionSubtypesGABA 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
2016
GABA interneurons mediate the rapid antidepressant-like effects of scopolamine
Wohleb ES, Wu M, Gerhard DM, Taylor SR, Picciotto MR, Alreja M, Duman RS. GABA interneurons mediate the rapid antidepressant-like effects of scopolamine. Journal Of Clinical Investigation 2016, 126: 2482-2494. PMID: 27270172, PMCID: PMC4922686, DOI: 10.1172/jci85033.Peer-Reviewed Original ResearchConceptsAntidepressant-like effectsMajor depressive disorderMedial prefrontal cortexRapid antidepressant-like effectsRapid antidepressant effectsM1-AChRAntidepressant effectsGABA interneuronsSST interneuronsM1-type muscarinic acetylcholine receptorsNonselective muscarinic acetylcholine receptor antagonistMuscarinic acetylcholine receptor antagonistAcetylcholine receptor antagonistMuscarinic acetylcholine receptorsViral-mediated knockdownPromising pharmacological targetActivity-dependent synapticAntidepressant therapyGABAergic neuronsSomatostatin interneuronsGlutamatergic neuronsSocioeconomic burdenGABAergic interneuronsGlutamatergic interneuronsReceptor antagonist