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 behaviorInhibitionSubtypesMedial PFC AMPA receptor and BDNF signaling are required for the rapid and sustained antidepressant-like effects of 5-HT1A receptor stimulation
Fukumoto K, Fogaça M, Liu RJ, Duman CH, Li XY, Chaki S, Duman RS. Medial PFC AMPA receptor and BDNF signaling are required for the rapid and sustained antidepressant-like effects of 5-HT1A receptor stimulation. Neuropsychopharmacology 2020, 45: 1725-1734. PMID: 32396921, PMCID: PMC7419563, DOI: 10.1038/s41386-020-0705-0.Peer-Reviewed Original ResearchConceptsBrain-derived neurotrophic factorAntidepressant-like effectsMajor depressive disorderMedial prefrontal cortexMPFC infusionSelective stimulationReceptor antagonistAMPA receptorsNon-competitive N-methyl-D-aspartate (NMDA) receptor antagonistTreatment of MDDN-methyl-D-aspartate receptor antagonistSynaptic functionAntidepressant-like actionNovelty-suppressed feedingAMPA receptor antagonistGlutamate AMPA receptorsMPFC 5Antidepressant effectsNeurotrophic factorReceptor agonistDepressive disorderSerotonergic systemReceptor stimulationReceptor activationSynaptic proteins