Cholinergic Receptor Blockade in the VTA Attenuates Cue-Induced Cocaine-Seeking and Reverses the Anxiogenic Effects of Forced Abstinence
Nunes EJ, Bitner L, Hughley SM, Small KM, Walton SN, Rupprecht LE, Addy NA. Cholinergic Receptor Blockade in the VTA Attenuates Cue-Induced Cocaine-Seeking and Reverses the Anxiogenic Effects of Forced Abstinence. Neuroscience 2019, 413: 252-263. PMID: 31271832, PMCID: PMC6661179, DOI: 10.1016/j.neuroscience.2019.06.028.Peer-Reviewed Original ResearchConceptsCue-induced cocaineAnxiety-related behaviorDrug relapseOpen arm timeCholinergic receptor blockadeCocaine abstinenceVentral tegmental areaSubstance abuseSelf-administer intravenous cocaineMuscarinic receptor antagonist scopolaminePeriod of abstinenceAnxiogenic effectsReceptor blockadeCholinergic mechanismsCocaine-naïve ratsNicotinic acetylcholine receptor antagonist mecamylamineMale Sprague-Dawley ratsDrug abstinenceSprague-Dawley ratsDose-dependent increaseCocaine-naive ratsAntagonist scopolamineEPM behaviorSaline ratsAbstinence