2020
Converging evidence that short-active photoperiod increases acetylcholine signaling in the hippocampus
Cope ZA, Lavadia ML, Joosen AJM, van de Cappelle CJA, Lara JC, Huval A, Kwiatkowski MK, Picciotto MR, Mineur YS, Dulcis D, Young JW. Converging evidence that short-active photoperiod increases acetylcholine signaling in the hippocampus. Cognitive, Affective, & Behavioral Neuroscience 2020, 20: 1173-1183. PMID: 32794101, PMCID: PMC7718303, DOI: 10.3758/s13415-020-00824-2.Peer-Reviewed Original ResearchConceptsSeasonal affective disorderFST immobilityBipolar disorderReduced dopamine transporter expressionHippocampal cholinergic mechanismsNicotinic receptor blockadeDopamine transporter expressionAcetylcholinesterase inhibitor physostigmineSwim test immobilityCholinergic treatmentReceptor blockadeCholinergic mechanismsAcetylcholine neurotransmissionInhibitor physostigmineViral administrationHippocampal expressionACh levelsTest immobilityAffective disordersDepression symptomsSubsequent deficitsHealthy animalsTransporter expressionAcetylcholinePhysostigmine
2017
Hippocampal α7 nicotinic ACh receptors contribute to modulation of depression‐like behaviour in C57BL/6J mice
Mineur YS, Mose TN, Blakeman S, Picciotto MR. Hippocampal α7 nicotinic ACh receptors contribute to modulation of depression‐like behaviour in C57BL/6J mice. British Journal Of Pharmacology 2017, 175: 1903-1914. PMID: 28264149, PMCID: PMC5979617, DOI: 10.1111/bph.13769.Peer-Reviewed Original ResearchConceptsDepression-like behaviorNicotinic ACh receptorsFemale miceMale miceCholinergic signalingACh receptorsΑ7 nAChRsSignificant antidepressant-like effectΑ7 nicotinic ACh receptorsEffect of α7Antidepressant-like effectsAgonist GTS-21Depression-related behaviorsC-Fos immunoreactivityACh receptor antagonistDepression-like phenotypeAnxiety-like behaviorNicotinic acetylcholine receptorsAnxiety-like phenotypeHippocampal α7Physostigmine administrationAntagonist methyllycaconitineReceptor antagonistSwim testGTS-21
2015
Multiple Nicotinic Acetylcholine Receptor Subtypes in the Mouse Amygdala Regulate Affective Behaviors and Response to Social Stress
Mineur YS, Fote GM, Blakeman S, Cahuzac EL, Newbold SA, Picciotto MR. Multiple Nicotinic Acetylcholine Receptor Subtypes in the Mouse Amygdala Regulate Affective Behaviors and Response to Social Stress. Neuropsychopharmacology 2015, 41: 1579-1587. PMID: 26471256, PMCID: PMC4832019, DOI: 10.1038/npp.2015.316.Peer-Reviewed Original ResearchConceptsDepression-like behaviorBasolateral amygdalaΑ7 nAChRsCholinergic signalingMultiple nicotinic acetylcholine receptor subtypesNon-selective nAChR antagonist mecamylamineNicotinic acetylcholine receptor activityNicotinic acetylcholine receptor subtypesStress-mediated behaviorsAntidepressant-like effectsAcetylcholine receptor activityC-Fos immunoreactivityNAChR antagonist mecamylamineAcetylcholine receptor subtypesEffects of nicotineMajor depressive disorderSocial defeat stressAnxiety-like behaviorPre-clinical studiesHuman clinical trialsModels of anxietyMouse behavioral modelsHypercholinergic stateAntagonist mecamylamineLocal infusion
2013
Cholinergic signaling in the hippocampus regulates social stress resilience and anxiety- and depression-like behavior
Mineur YS, Obayemi A, Wigestrand MB, Fote GM, Calarco CA, Li AM, Picciotto MR. Cholinergic signaling in the hippocampus regulates social stress resilience and anxiety- and depression-like behavior. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 3573-3578. PMID: 23401542, PMCID: PMC3587265, DOI: 10.1073/pnas.1219731110.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholinesteraseAnimalsAntidepressive AgentsAnxietyBehavior, AnimalCholinergic AntagonistsCholinergic NeuronsDependovirusDepressionFluoxetineGene Knockdown TechniquesHindlimb SuspensionHippocampusHumansMaleMiceMice, Inbred C57BLPhenotypePhysostigmineReceptors, CholinergicResilience, PsychologicalRNA, Small InterferingSignal TransductionStress, PsychologicalTime FactorsConceptsDepression-like behaviorShRNA-mediated knockdownSelective serotonin reuptake inhibitor fluoxetineSerotonin reuptake inhibitor fluoxetineAChE inhibitor physostigmineAdministration of fluoxetineBlockade of acetylcholinesteraseEndophenotypes of depressionHippocampal AChE activityAntidepressant-like effectsReuptake inhibitor fluoxetineAChE activityDepression-like phenotypeSymptoms of depressionSocial defeat paradigmHippocampal AChEMuscarinic antagonistCholinergic drugsInhibitor physostigmineCholinergic systemClinical trialsSystemic administrationMood disordersSystemic effectsAnimal models
2012
Imaging Changes in Synaptic Acetylcholine Availability in Living Human Subjects
Esterlis I, Hannestad JO, Bois F, Sewell RA, Tyndale RF, Seibyl JP, Picciotto MR, Laruelle M, Carson RE, Cosgrove KP. Imaging Changes in Synaptic Acetylcholine Availability in Living Human Subjects. Journal Of Nuclear Medicine 2012, 54: 78-82. PMID: 23160789, PMCID: PMC3703589, DOI: 10.2967/jnumed.112.111922.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptor availabilityEndogenous neurotransmitter acetylcholineNicotinic acetylcholine receptorsPhysostigmine administrationAcetylcholine availabilityExtracellular acetylcholineBaseline scanHealthy subjectsReceptor availabilityExtracellular levelsAcetylcholine receptorsMolecular neuroimagingSPECT studiesAcetylcholineNonhuman primatesTissue concentrationsNeurotransmitter acetylcholineHuman subjectsSignificant reductionAdditional scansScansParent concentrationsSubjectsVivo estimationIA