2015
Modulation of aggressive behavior in mice by nicotinic receptor subtypes
Lewis AS, Mineur YS, Smith PH, Cahuzac EL, Picciotto MR. Modulation of aggressive behavior in mice by nicotinic receptor subtypes. Biochemical Pharmacology 2015, 97: 488-497. PMID: 26212554, PMCID: PMC4600457, DOI: 10.1016/j.bcp.2015.07.019.Peer-Reviewed Original ResearchConceptsAcute nicotine administrationNicotine administrationHypolocomotor effectNicotinic acetylcholine receptor agonist nicotineAgonist GTS-21Nicotinic receptor subtypesAnti-aggressive propertiesDihydro-β-erythroidineBALB/cNeurobiology of aggressionSocial interaction timeCurrent pharmacotherapyAntagonist methyllycaconitineC57BL/6 miceWorse outcomesGTS-21Receptor subtypesPathological aggressionAgonist nicotineΑ7 nAChRsSpecific treatmentSide effectsPharmacological studiesNeuropsychiatric conditionsNicotine
2011
Dissociation between duration of action in the forced swim test in mice and nicotinic acetylcholine receptor occupancy with sazetidine, varenicline, and 5-I-A85380
Caldarone BJ, Wang D, Paterson NE, Manzano M, Fedolak A, Cavino K, Kwan M, Hanania T, Chellappan SK, Kozikowski AP, Olivier B, Picciotto MR, Ghavami A. Dissociation between duration of action in the forced swim test in mice and nicotinic acetylcholine receptor occupancy with sazetidine, varenicline, and 5-I-A85380. Psychopharmacology 2011, 217: 199-210. PMID: 21487659, PMCID: PMC3266849, DOI: 10.1007/s00213-011-2271-y.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntidepressive AgentsAzetidinesBehavior, AnimalBenzazepinesBrainData Interpretation, StatisticalDose-Response Relationship, DrugLigandsMaleMiceMice, Inbred BALB CMice, Inbred C57BLMolecular StructureMotor ActivityNicotinic AgonistsProtein BindingPyridinesQuinoxalinesReceptors, NicotinicSwimmingTime FactorsVareniclineConceptsAntidepressant-like effectsAntidepressant-like actionSwim testDuration of actionReceptor occupancyNAChR antagonist mecamylamineDihydro-β-erythroidineAcetylcholine receptor agonistRole of β2Partial agonist vareniclineSymptoms of depressionNAChR β2Antagonist mecamylamineReceptor agonistActive dosesAgonist vareniclineSazetidinePartial agonistVareniclineObjectivesThe studyBehavioral efficacyNAChRsBehavioral responsesAgonistsPromising target
2006
Differential effects of nicotinic antagonists perfused into the nucleus accumbens or the ventral tegmental area on cocaine-induced dopamine release in the nucleus accumbens of mice
Zanetti L, Picciotto MR, Zoli M. Differential effects of nicotinic antagonists perfused into the nucleus accumbens or the ventral tegmental area on cocaine-induced dopamine release in the nucleus accumbens of mice. Psychopharmacology 2006, 190: 189. PMID: 17061109, DOI: 10.1007/s00213-006-0598-6.Peer-Reviewed Original ResearchConceptsIntra-VTA perfusionVentral tegmental areaDA levelsNucleus accumbensCocaine-elicited increasesPerfusate levelsTegmental areaCocaine-induced dopamine releaseNicotinic acetylcholine receptor antagonistMesolimbic DA neuronsDihydro-β-erythroidineAcetylcholine receptor antagonistEffects of cocaineMesolimbic dopamine systemSubtype-specific mannerDA neuronsNAChR antagonistIntracerebral microdialysisNicotinic antagonistsReceptor antagonistNicotinic pathwayLocal perfusionDopamine releaseDopamine systemPerfusionThe 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 testInhibition of both α7* and β2* nicotinic acetylcholine receptors is necessary to prevent development of sensitization to cocaine-elicited increases in extracellular dopamine levels in the ventral striatum
Zanetti L, de Kerchove D’Exaerde A, Zanardi A, Changeux JP, Picciotto MR, Zoli M. Inhibition of both α7* and β2* nicotinic acetylcholine receptors is necessary to prevent development of sensitization to cocaine-elicited increases in extracellular dopamine levels in the ventral striatum. Psychopharmacology 2006, 187: 181-188. PMID: 16826402, DOI: 10.1007/s00213-006-0419-y.Peer-Reviewed Original ResearchConceptsExtracellular dopamine levelsDevelopment of sensitizationWild-type miceDopamine levelsVentral striatumCocaine-elicited increasesExtracellular DA levelsAdministration of cocaineDihydro-β-erythroidineAbility of cocaineNicotinic acetylcholine receptorsNicotine treatmentDA levelsNicotinic antagonistsRationaleSeveral studiesNeurochemical responsesConclusionsThese dataObjectivesThe current studySpecific antagonistNAChR blockadeAcetylcholine receptorsElicit increasesStriatumMiceSensitization