2022
Chronic oral nicotine exposure decreases aversive taste of nicotine, increases nicotine withdrawal and reinstatement, but cherry flavor does not alter nicotine’s effects in adolescent rats
Bagdas D, Harris L, Addy N. Chronic oral nicotine exposure decreases aversive taste of nicotine, increases nicotine withdrawal and reinstatement, but cherry flavor does not alter nicotine’s effects in adolescent rats. Neuroscience Letters 2022, 793: 137008. PMID: 36476758, PMCID: PMC9948648, DOI: 10.1016/j.neulet.2022.137008.Peer-Reviewed Original ResearchConceptsTaste responsesNicotine concentrationsNicotine exposureNicotine withdrawalNicotine effectsAdolescent ratsChronic exposureOral nicotine exposureTaste reactivityAversive tasteChronic nicotine exposureDevelopment of toleranceLow nicotine concentrationsE-cigarette useE-cigarette flavoringsHigher nicotine concentrationsNicotine abstinenceNicotine useNaïve animalsChronic effectsNicotineRatsAversive responsesDifferent nicotine concentrationsWithdrawal
2019
Assessing nicotine dependence using an oral nicotine free-choice paradigm in mice
Bagdas D, Diester C, Riley J, Carper M, Alkhlaif Y, AlOmari D, Alayoubi H, Poklis J, Damaj M. Assessing nicotine dependence using an oral nicotine free-choice paradigm in mice. Neuropharmacology 2019, 157: 107669. PMID: 31220484, PMCID: PMC6697382, DOI: 10.1016/j.neuropharm.2019.107669.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBehavior, AddictiveChoice BehaviorDose-Response Relationship, DrugDrug InteractionsFemaleMaleMiceMice, KnockoutNicotineNucleus AccumbensQuinineReceptors, NicotinicSelf AdministrationSex CharacteristicsSubstance Withdrawal SyndromeTobacco Use DisorderTyrosine 3-MonooxygenaseVareniclineConceptsAddictive-like propertiesNicotine intakeOral nicotine consumptionNicotine consumptionFree-choice paradigmNicotine solutionΑ6 KO miceTwo-bottle free-choice paradigmTyrosine hydroxylase levelsNicotinic acetylcholine receptor subunitsPartial agonist vareniclineOral nicotine intakeAbsence of nicotineAcetylcholine receptor subunitsΑ5 nAChRAdult C57BL/6JNicotine withdrawalKO miceFemale miceAgonist vareniclineDBA/2J miceHydroxylase levelsNicotine dependenceBinge drinkingObserved sex differences
2018
New insights on the effects of varenicline on nicotine reward, withdrawal and hyperalgesia in mice
Bagdas D, Alkhlaif Y, Jackson A, Carroll FI, Ditre JW, Damaj MI. New insights on the effects of varenicline on nicotine reward, withdrawal and hyperalgesia in mice. Neuropharmacology 2018, 138: 72-79. PMID: 29860196, PMCID: PMC6054891, DOI: 10.1016/j.neuropharm.2018.05.025.Peer-Reviewed Original ResearchConceptsEffects of vareniclineNicotine withdrawal signsNicotine rewardΑ5 nAChRWithdrawal signsHigh doseKnockout miceΒ2-nAChRsNicotine withdrawal-induced hyperalgesiaAdministration of vareniclineWithdrawal-induced hyperalgesiaΑ7 knockout miceDose-related mannerNicotinic acetylcholine receptorsΑ5 knockout micePlace preference testVarenicline doseCessation treatmentNicotine withdrawalSomatic signsVareniclineΑ7 nAChRsMouse modelCPP testNicotinic subtypes
2017
Assessment of nicotine withdrawal-induced changes in sucrose preference in mice
Alkhlaif Y, Bagdas D, Jackson A, Park AJ, Damaj IM. Assessment of nicotine withdrawal-induced changes in sucrose preference in mice. Pharmacology Biochemistry And Behavior 2017, 161: 47-52. PMID: 28919072, PMCID: PMC6408212, DOI: 10.1016/j.pbb.2017.08.013.Peer-Reviewed Original ResearchConceptsSucrose preference testNicotine withdrawalSpontaneous nicotine withdrawalLight-dark box testDark box testPositive affective stimuliSucrose preferenceAffective signsSmoking relapse ratesΑ6 KO miceSubcutaneous osmotic minipumpsWithdrawal-induced changesUnderlying neurobiological factorsPreference testRelapse rateOsmotic minipumpsKO miceTobacco useNicotine dependenceKnockout miceAnimal modelsNicotinic subunitsDay 15MiceDifferent dosesReversal of Nicotine Withdrawal Signs Through Positive Allosteric Modulation of α4β2 Nicotinic Acetylcholine Receptors in Male Mice
Hamouda AK, Jackson A, Bagdas D, Damaj M. Reversal of Nicotine Withdrawal Signs Through Positive Allosteric Modulation of α4β2 Nicotinic Acetylcholine Receptors in Male Mice. Nicotine & Tobacco Research 2017, 20: 903-907. PMID: 29059422, PMCID: PMC5991208, DOI: 10.1093/ntr/ntx183.Peer-Reviewed Original ResearchConceptsNicotine withdrawal symptomsSpontaneous nicotine withdrawalNicotine withdrawal signsNicotine withdrawalWithdrawal symptomsPositive allosteric modulatorsCessation aidWithdrawal signsMale miceMouse modelAllosteric modulatorsNicotinic acetylcholine receptor agonistNAChR-positive allosteric modulatorsAcetylcholine receptor agonistDose-dependent reversalICR male miceΑ4β2 nicotinic acetylcholine receptorsPositive allosteric modulationAnxiety-like behaviorNicotinic acetylcholine receptorsPotential clinical useAcute injectionRelapse rateTobacco smokingDay infusionEffects of Nicotine Metabolites on Nicotine Withdrawal Behaviors in Mice
Elhassan S, Bagdas D, Damaj M. Effects of Nicotine Metabolites on Nicotine Withdrawal Behaviors in Mice. Nicotine & Tobacco Research 2017, 19: 763-766. PMID: 28199726, PMCID: PMC5423097, DOI: 10.1093/ntr/ntx045.Peer-Reviewed Original ResearchConceptsNicotine withdrawalMinor tobacco alkaloidsNicotine metabolitesNicotine withdrawal behaviorsNicotine withdrawal signsICR male miceDose-dependent reversalSpontaneous nicotine withdrawalAnxiety-like behaviorAcute injectionCigarette smokingWithdrawal signsMale miceSomatic signsMouse modelMinipump removalRodent studiesTobacco consumptionTobacco alkaloidsDay 15High dosesSpontaneous signsBehavioral effectsMiceNicotine
2014
Effects of methoxsalen, a CYP2A5/6 inhibitor, on nicotine dependence behaviors in mice
Bagdas D, Muldoon P, Zhu A, Tyndale R, Damaj M. Effects of methoxsalen, a CYP2A5/6 inhibitor, on nicotine dependence behaviors in mice. Neuropharmacology 2014, 85: 67-72. PMID: 24859605, PMCID: PMC4106981, DOI: 10.1016/j.neuropharm.2014.05.006.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnxietyAryl Hydrocarbon HydroxylasesConditioning, PsychologicalCytochrome P450 Family 2Disease Models, AnimalDose-Response Relationship, DrugEnzyme InhibitorsHyperalgesiaMaleMecamylamineMethoxsalenMice, Inbred ICRMotor ActivityNicotineNicotinic AgonistsNicotinic AntagonistsRewardSeverity of Illness IndexSubstance Withdrawal SyndromeTobacco Use DisorderConceptsNicotine plasma levelsWithdrawal signsPlasma levelsAdministration of methoxsalenEffect of methoxsalenNicotine dependence behaviorsNicotine replacement therapyChronic nicotine infusionDependence-related behaviorsDrug elimination ratePlace preference testMetabolism of nicotineReward-like propertiesLack of enhancementSpontaneous withdrawalNicotine withdrawalReplacement therapyNicotine preferenceLow doseHigh doseNicotine infusionMouse CYP2A5CPP testActive nicotineNicotine levels