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 intakeNew 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