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
2009
Varenicline has antidepressant-like activity in the forced swim test and augments sertraline's effect
Rollema H, Guanowsky V, Mineur YS, Shrikhande A, Coe JW, Seymour PA, Picciotto MR. Varenicline has antidepressant-like activity in the forced swim test and augments sertraline's effect. European Journal Of Pharmacology 2009, 605: 114-116. PMID: 19168054, PMCID: PMC2707785, DOI: 10.1016/j.ejphar.2009.01.002.Peer-Reviewed Original ResearchConceptsAntidepressant-like activitySwim testPartial agonistNicotinic acetylcholine receptor activityNicotinic acetylcholine receptor partial agonistSelective serotonin reuptake inhibitor sertralineSerotonin reuptake inhibitor sertralineSelective serotonin reuptake inhibitorsAntidepressant-like propertiesAcetylcholine receptor activitySerotonin reuptake inhibitorsSmoking cessation aidReceptor partial agonistSertraline effectsVarenicline doseAntidepressant responseReuptake inhibitorsAntidepressant potentialCessation aidActive dosesAcetylcholine receptorsReceptor activityVareniclineMouse strainsAgonists
2006
The nicotinic antagonist mecamylamine has antidepressant-like effects in wild-type but not β2- or α7-nicotinic acetylcholine receptor subunit knockout mice
Rabenstein RL, Caldarone BJ, Picciotto MR. The nicotinic antagonist mecamylamine has antidepressant-like effects in wild-type but not β2- or α7-nicotinic acetylcholine receptor subunit knockout mice. Psychopharmacology 2006, 189: 395-401. PMID: 17016705, DOI: 10.1007/s00213-006-0568-z.Peer-Reviewed Original ResearchConceptsAntidepressant-like effectsAntagonist mecamylamineNicotinic acetylcholine receptor activityNoncompetitive nAChR antagonist mecamylamineAntagonist dihydro-β-erythroidineΑ7 knockout miceΑ7-nAChR subunitAcetylcholine receptor activityEffects of mecamylamineNAChR antagonist mecamylamineDihydro-β-erythroidineNicotinic antagonist mecamylamineSubunit knockout miceBaseline locomotor activityDose-response studyMethodsAdult miceAntagonist hexamethoniumAntidepressant efficacyAntidepressant responseCentral nAChRsImmobility timeCholinergic transmissionSwim testMecamylamineSuspension test