2008
Sex differences in anxiety-like behavior and locomotor activity following chronic nicotine exposure in mice
Caldarone BJ, King SL, Picciotto MR. Sex differences in anxiety-like behavior and locomotor activity following chronic nicotine exposure in mice. Neuroscience Letters 2008, 439: 187-191. PMID: 18524488, PMCID: PMC2491450, DOI: 10.1016/j.neulet.2008.05.023.Peer-Reviewed Original ResearchConceptsAnxiogenic-like responseChronic nicotineAnxiety-like behaviorLocomotor activationFemale miceLocomotor activityPsychostimulant propertiesChronic nicotine exposureFemale C57BL/6J miceSymptoms of anxietyNicotine variesNicotine exposureOverall incidenceC57BL/6J miceMale miceWildtype miceNicotine intakeNicotinic receptorsOpen armsHigh doseMiceNicotineAnxiety disordersBeta2 subunitBehavioral sensitivity
2004
β2-subunit-containing nicotinic acetylcholine receptors are critical for dopamine-dependent locomotor activation following repeated nicotine administration
King SL, Caldarone BJ, Picciotto MR. β2-subunit-containing nicotinic acetylcholine receptors are critical for dopamine-dependent locomotor activation following repeated nicotine administration. Neuropharmacology 2004, 47: 132-139. PMID: 15464132, DOI: 10.1016/j.neuropharm.2004.06.024.Peer-Reviewed Original ResearchConceptsLocomotor activationNicotine administrationDopamine systemNicotinic acetylcholine receptorsAcetylcholine receptorsHigh-affinity nicotinic acetylcholine receptorsDopamine receptor antagonist pimozideBeta2 subunitRole of beta2Chronic nicotine administrationChronic nicotine exposureMesolimbic dopamine systemChronic nicotineNicotine exposureAntagonist pimozideB6 miceC57BL/6J miceOral administrationDopaminergic activationOngoing activationKnockout miceLocomotor activityMiceAdministrationNicotine
2003
Neuroprotection by Nicotine in Mouse Primary Cortical Cultures Involves Activation of Calcineurin and L-Type Calcium Channel Inactivation
Stevens TR, Krueger SR, Fitzsimonds RM, Picciotto MR. Neuroprotection by Nicotine in Mouse Primary Cortical Cultures Involves Activation of Calcineurin and L-Type Calcium Channel Inactivation. Journal Of Neuroscience 2003, 23: 10093-10099. PMID: 14602824, PMCID: PMC6740855, DOI: 10.1523/jneurosci.23-31-10093.2003.Peer-Reviewed Original ResearchMeSH KeywordsAlpha7 Nicotinic Acetylcholine ReceptorAnimalsBungarotoxinsCalcineurinCalcineurin InhibitorsCalcium Channel BlockersCalcium Channels, L-TypeCells, CulturedCerebral CortexGlutamic AcidMiceMice, KnockoutNeuronsNeuroprotective AgentsNeurotoxinsNicotineNifedipineReceptors, NicotinicTacrolimusConceptsPrimary cortical culturesL-type channelsNicotine-mediated neuroprotectionCortical culturesNicotine pretreatmentIntracellular calciumCalcium influxActivation of calcineurinBeta2 subunitAlpha7-containing nAChRsL-type calcium channelsEffects of nicotineAbility of nicotineMouse primary cortical culturesNicotinic acetylcholine receptorsCalcium channel inactivationGlutamate excitotoxicityNeuroprotective effectsRole of calciumCalcineurin antagonistsCortical neuronsNeuronal excitabilityGlutamate applicationNeuroprotectionCalcium channels
2000
Nicotinic-agonist stimulated 86Rb+ efflux and [3H]epibatidine binding of mice differing in β2 genotype
Marks M, Stitzel J, Grady S, Picciotto M, Changeux J, Collins A. Nicotinic-agonist stimulated 86Rb+ efflux and [3H]epibatidine binding of mice differing in β2 genotype. Neuropharmacology 2000, 39: 2632-2645. PMID: 11044733, DOI: 10.1016/s0028-3908(00)00115-5.Peer-Reviewed Original ResearchConceptsBrain regionsNicotinic acetylcholine receptor functionBeta2 subunitBeta2-containing receptorsAcetylcholine receptor functionHigh-affinity siteBeta2 subunit expressionBinding of mouseCerebral cortexNicotinic responsesMicroM nicotineOlfactory bulbInferior colliculusNicotinic agonistsSubunit expressionReceptor functionLow affinityLow affinity sitesDHbetaEInhibitionMiceStimulationEffluxCytisineNull mutation5-Iodo-A-85380, an α4β2 Subtype-Selective Ligand for Nicotinic Acetylcholine Receptors
Mukhin A, Gündisch D, Horti A, Koren A, Tamagnan G, Kimes A, Chambers J, Vaupel D, King S, Picciotto M, Innis R, London E. 5-Iodo-A-85380, an α4β2 Subtype-Selective Ligand for Nicotinic Acetylcholine Receptors. Molecular Pharmacology 2000, 57: 642-649. PMID: 10692507, DOI: 10.1124/mol.57.3.642.Peer-Reviewed Original ResearchConceptsNicotinic acetylcholine receptorsAlpha4beta2 nAChRsAcetylcholine receptorsNeuronal nicotinic acetylcholine receptorsAffinity of epibatidineRat adrenal glandMuscle-type nAChRsSubtype-selective ligandsAlpha4beta2 subtypeAdrenal glandRat brainSelective radioligandBrain regionsNAChRsBeta4 subunitsRadioiodinated ligandBeta2 subunitVivo studiesEpibatidineVivo experimentsHuman brainSubtypesRadioligandBrainReceptors
1999
Two pharmacologically distinct components of nicotinic receptor-mediated rubidium efflux in mouse brain require the beta2 subunit.
Marks MJ, Whiteaker P, Calcaterra J, Stitzel JA, Bullock AE, Grady SR, Picciotto MR, Changeux JP, Collins AC. Two pharmacologically distinct components of nicotinic receptor-mediated rubidium efflux in mouse brain require the beta2 subunit. Journal Of Pharmacology And Experimental Therapeutics 1999, 289: 1090-103. PMID: 10215692.Peer-Reviewed Original ResearchConceptsBeta2 subunitBeta2 null mutant miceConcentration-effect curvesMouse brain synaptosomesAlpha4beta2 receptorsBrain synaptosomesNicotinic agonistsMouse brainRubidium effluxMutant miceLine radioactivity detectionDHbetaEAgonistsEffluxBrainStimulationRadioactivity detectionPotencyHexamethoniumErythroidineResponseAcetylcholineMethyllycaconitineAntagonistBungarotoxinIncreased neurodegeneration during ageing in mice lacking high‐affinity nicotine receptors
Zoli M, Picciotto M, Ferrari R, Cocchi D, Changeux J. Increased neurodegeneration during ageing in mice lacking high‐affinity nicotine receptors. The EMBO Journal 1999, 18: 1235-1244. PMID: 10064590, PMCID: PMC1171214, DOI: 10.1093/emboj/18.5.1235.Peer-Reviewed Original ResearchConceptsHigh-affinity nicotine receptorsSpatial learningHippocampal pyramidal neuronsRegion-specific alterationsSerum corticosterone levelsPossible animal modelNicotinic acetylcholine receptorsPyramidal neuronsNeuronal survivalNicotine receptorsCholinergic systemEndocrine parametersControl animalsIncreased neurodegenerationAnimal modelsCorticosterone levelsAcetylcholine receptorsAlzheimer's diseaseDegenerative processCortical regionsMorris mazeCognitive deficitsMutant miceMiceBeta2 subunitUse of knock-out mice to determine the molecular basis for the actions of nicotine
Picciotto M, Zoli M, Changeux J. Use of knock-out mice to determine the molecular basis for the actions of nicotine. Nicotine & Tobacco Research 1999, 1: s121-s125. PMID: 11768168, DOI: 10.1080/14622299050011931.Peer-Reviewed Original ResearchConceptsElectrophysiological propertiesBehavioral effectsSubunit combinationsAction of nicotineDifferent neurotransmitter systemsEffects of nicotineMesolimbic dopamine systemIndividual receptor subtypesNicotinic acetylcholine receptorsBinding of nicotinePossible subunit combinationsDifferent subunit combinationsNicotine effectsNicotine receptorsNicotine reinforcementReceptor subtypesDopamine levelsNeurotransmitter systemsDopamine systemNicotinic subunitsAcetylcholine receptorsAddictive propertiesNicotineMiceBeta2 subunit
1998
Pharmacological characterization of nicotinic receptor-stimulated GABA release from mouse brain synaptosomes.
Lu Y, Grady S, Marks M, Picciotto M, Changeux J, Collins A. Pharmacological characterization of nicotinic receptor-stimulated GABA release from mouse brain synaptosomes. Journal Of Pharmacology And Experimental Therapeutics 1998, 287: 648-57. PMID: 9808692.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidGABA releaseMouse brain synaptosomesBrain synaptosomesNicotinic agonistsNicotine bindingBeta2 null mutant miceNull mutant miceRecent electrophysiological studiesRodent brain tissueConcentration-dependent mannerAgonist inhibitionAlpha-BungarotoxinNeurochemical approachesPharmacological characterizationNM tetrodotoxinElectrophysiological studiesSame agonistBrain regionsBrain tissueMutant miceAgonistsEmax valuesBeta2 subunitMaximal release