2022
Hippocampal acetylcholine modulates stress-related behaviors independent of specific cholinergic inputs
Mineur YS, Mose TN, Vanopdenbosch L, Etherington IM, Ogbejesi C, Islam A, Pineda CM, Crouse RB, Zhou W, Thompson DC, Bentham MP, Picciotto MR. Hippocampal acetylcholine modulates stress-related behaviors independent of specific cholinergic inputs. Molecular Psychiatry 2022, 27: 1829-1838. PMID: 34997190, PMCID: PMC9106825, DOI: 10.1038/s41380-021-01404-7.Peer-Reviewed Original ResearchConceptsStress-related behaviorsCholinergic inputMedial septum/diagonal bandBehavioral effectsBrain ACh levelsChAT-positive neuronsSelective chemogenetic activationMuscarinic ACh receptorsDepression-like symptomsSignificant behavioral effectsHippocampal acetylcholineMaladaptive behavioral responsesAntidepressant effectsCholinergic neuronsACh releaseChemogenetic activationChemogenetic inhibitionCholinergic antagonistsLocal infusionAcetylcholine levelsACh levelsDiagonal bandACh receptorsHippocampal neuronsPharmacological approaches
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 behaviorInhibitionSubtypes