2020
Impact of menthol on nicotine intake and preference in mice: Concentration, sex, and age differences
Bagdas D, Jackson A, Carper M, Chen RY, Akinola LS, Damaj MI. Impact of menthol on nicotine intake and preference in mice: Concentration, sex, and age differences. Neuropharmacology 2020, 179: 108274. PMID: 32827516, PMCID: PMC7572603, DOI: 10.1016/j.neuropharm.2020.108274.Peer-Reviewed Original ResearchConceptsOral nicotine consumptionEffect of mentholImpact of mentholNicotine consumptionFemale miceNicotine intakeΑ7 nicotinic acetylcholine receptorMenthol concentrationNicotine solutionHigher nicotine intakeAdolescent female miceMale C57BL/6J miceTwo-bottle choice paradigmWild-type miceNicotinic acetylcholine receptorsConcentration-dependent mannerOral nicotineC57BL/6J miceKO miceMale miceType miceMouse modelAcetylcholine receptorsHigh menthol concentrationAdult counterparts
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
Knockout of alpha 5 nicotinic acetylcholine receptors subunit alters ethanol-mediated behavioral effects and reward in mice
Dawson A, Wolstenholme JT, Roni MA, Campbell VC, Jackson A, Slater C, Bagdas D, Perez EE, Bettinger JC, De Biasi M, Miles MF, Damaj MI. Knockout of alpha 5 nicotinic acetylcholine receptors subunit alters ethanol-mediated behavioral effects and reward in mice. Neuropharmacology 2018, 138: 341-348. PMID: 29944862, PMCID: PMC6400055, DOI: 10.1016/j.neuropharm.2018.06.031.Peer-Reviewed Original ResearchConceptsΑ5 nAChREthanol consumptionΑ5 nicotinic acetylcholine receptor (nAChR) subunitsAlcohol dependenceBehavioral effectsImportance of nAChRsΑ5 nAChR subunitΑ5-KO miceNicotinic acetylcholine receptor subunitsEthanol-induced hypothermiaAnxiolytic-like responseEthanol drinking behaviorVoluntary ethanol consumptionNicotinic acetylcholine receptorsΑ5 knockout miceAcetylcholine receptor subunitsTwo-bottle choiceDecreases ethanol intakePlace preference assayEthanol-induced behaviorsWild-type controlsKO miceRestraint stressDID paradigmEthanol intake
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 doses
2016
Sex Differences and Drug Dose Influence the Role of the α7 Nicotinic Acetylcholine Receptor in the Mouse Dextran Sodium Sulfate-Induced Colitis Model
AlSharari S, Bagdas D, Akbarali H, Lichtman P, Raborn E, Cabral G, Carroll F, McGee E, Damaj M. Sex Differences and Drug Dose Influence the Role of the α7 Nicotinic Acetylcholine Receptor in the Mouse Dextran Sodium Sulfate-Induced Colitis Model. Nicotine & Tobacco Research 2016, 19: 460-468. PMID: 27639096, PMCID: PMC6894014, DOI: 10.1093/ntr/ntw245.Peer-Reviewed Original ResearchConceptsΑ7 nicotinic acetylcholine receptorWild-type miceColitis severityNicotinic acetylcholine receptorsFemale miceHigher tumor necrosis factor-alpha levelsAcetylcholine receptorsTumor necrosis factor-alpha levelsNecrosis factor-alpha levelsLittermate wild-type miceAnti-colitis activityAnti-colitis effectΑ7 knockout miceDextran sodium sulfatePathogenesis of colitisAnti-inflammatory effectsFemale adult miceViable therapeutic approachSeverity of diseaseSex differencesColon lengthDisease activityColonic levelsColitis modelUlcerative colitisDiacylglycerol lipase β inhibition reverses nociceptive behaviour in mouse models of inflammatory and neuropathic pain
Wilkerson J, Ghosh S, Bagdas D, Mason B, Crowe M, Hsu K, Wise L, Kinsey S, Damaj M, Cravatt B, Lichtman A. Diacylglycerol lipase β inhibition reverses nociceptive behaviour in mouse models of inflammatory and neuropathic pain. British Journal Of Pharmacology 2016, 173: 1678-1692. PMID: 26915789, PMCID: PMC4842918, DOI: 10.1111/bph.13469.Peer-Reviewed Original ResearchConceptsChronic constrictive injuryNeuropathic pain modelWild-type miceAllodynic responsesInflammatory painPain modelLPS modelSide effectsExpression of LPSDiscernible side effectsUntoward side effectsPro-inflammatory responseEvidence of toleranceSites of inflammationConstrictive injuryMechanical allodyniaIntraplantar injectionNeuropathic painPathological painInflammatory mediatorsMouse peritoneal macrophagesLocus of actionNociceptive behaviorSciatic nerveAllodynia
2015
The role of alpha5 nicotinic acetylcholine receptors in mouse models of chronic inflammatory and neuropathic pain
Bagdas D, AlSharari S, Freitas K, Tracy M, Damaj M. The role of alpha5 nicotinic acetylcholine receptors in mouse models of chronic inflammatory and neuropathic pain. Biochemical Pharmacology 2015, 97: 590-600. PMID: 25931144, PMCID: PMC4600420, DOI: 10.1016/j.bcp.2015.04.013.Peer-Reviewed Original ResearchConceptsΑ5-KO miceΑ5 nAChRInflammatory painFormalin testPain modelChronic painMouse modelTumor necrosis factor-alpha levelsLong-term inflammatory painNecrosis factor-alpha levelsPaw-licking timeTonic inflammatory painChronic pain modelsDevelopment of hyperalgesiaInflammatory pain modelWild-type miceNicotinic acetylcholine receptorsAllodynic responsesMechanical allodyniaNicotine reversalCFA injectionNeuropathic painAntinociceptive effectNociceptive behaviorPain