2001
Effects of nicotine pretreatment on dopaminergic and behavioral responses to conditioned fear stress in rats: dissociation of biochemical and behavioral effects
George T, Picciotto M, Verrico C, Roth R. Effects of nicotine pretreatment on dopaminergic and behavioral responses to conditioned fear stress in rats: dissociation of biochemical and behavioral effects. Biological Psychiatry 2001, 49: 300-306. PMID: 11230881, DOI: 10.1016/s0006-3223(00)00928-8.Peer-Reviewed Original ResearchConceptsConditioned fear stressNicotine pretreatmentMedial prefrontal cortexFear stressDopamine metabolismNucleus accumbensPrefrontal cortexAcute footshock stressImmobility responseBehavioral responsesCortical dopaminergicDopamine utilizationCortical dopamineNicotine exposureFootshock stressNicotine dependenceAnxiolytic activityConditioned fear paradigmNicotine differsDay 21Psychological stressorsBehavioral effectsDopaminergicClinical contextPreferential activation
1999
Use 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 ResearchMeSH KeywordsAnimalsBrainDNAMiceMice, KnockoutModels, MolecularNicotineReceptors, DopamineReceptors, NicotinicRecombinant ProteinsConceptsElectrophysiological 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