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
Reversal 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 infusion