Lower Dopamine D2/3 Receptor Availability is Associated With Worse Verbal Learning and Memory in People Who Smoke Cigarettes
Zakiniaeiz Y, Gueorguieva R, Peltier M, Roberts W, Verplaetse T, Burke C, Morris E, McKee S, Cosgrove K. Lower Dopamine D2/3 Receptor Availability is Associated With Worse Verbal Learning and Memory in People Who Smoke Cigarettes. Nicotine & Tobacco Research 2022, 25: 1047-1051. PMID: 36107715, PMCID: PMC10077933, DOI: 10.1093/ntr/ntac215.Peer-Reviewed Original ResearchConceptsCognitive functionVerbal learningPrefrontal cortexCognitive deficitsWorse verbal learningBrain-behavior relationshipsD2R availabilityDorsolateral prefrontal cortexCognitive performanceComputerized testsTask performanceCogState batteryInhibitory controlNeurocognitive testsReceptor availabilityMesocortical dopaminePositron emission tomographyDopamine D2/3 receptor availabilityMemoryCognitionD2/3 receptor availabilityDopamine releaseSmoking variablesSubject samplesDeficitsNicotine Patch Alters Patterns of Cigarette Smoking-Induced Dopamine Release: Patterns Relate to Biomarkers Associated With Treatment Response
Zakiniaeiz Y, Liu H, Gao H, Najafzadeh S, Ropchan J, Nabulsi N, Huang Y, Matuskey D, Chen MK, Cosgrove KP, Morris ED. Nicotine Patch Alters Patterns of Cigarette Smoking-Induced Dopamine Release: Patterns Relate to Biomarkers Associated With Treatment Response. Nicotine & Tobacco Research 2022, 24: 1597-1606. PMID: 35100429, PMCID: PMC9575980, DOI: 10.1093/ntr/ntac026.Peer-Reviewed Original ResearchConceptsNicotine replacement therapyDopamine releasePlacebo patchDorsal striatumTobacco smokingReplacement therapyFirst-line pharmacological treatmentVentral striatumMajor public health burdenPositron emission tomography scanEmission tomography scanPublic health burdenNicotine dependence levelNicotine metabolism rateNicotinic acetylcholine receptorsCounter-balanced orderTobacco smokersCigarette smokingSmoking cessationDopamine terminalsPharmacological treatmentDependent smokersFast metabolizersSlow metabolizersNicotine actsSex differences in amphetamine-induced dopamine release in the dorsolateral prefrontal cortex of tobacco smokers
Zakiniaeiz Y, Hillmer AT, Matuskey D, Nabulsi N, Ropchan J, Mazure CM, Picciotto MR, Huang Y, McKee SA, Morris ED, Cosgrove KP. Sex differences in amphetamine-induced dopamine release in the dorsolateral prefrontal cortex of tobacco smokers. Neuropsychopharmacology 2019, 44: 2205-2211. PMID: 31269510, PMCID: PMC6897943, DOI: 10.1038/s41386-019-0456-y.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsDA releasePositron emission tomographyD2R availabilityDorsolateral prefrontal cortexMale smokersFemale smokersTobacco smokingPrefrontal cortexAmphetamine-induced DA releaseAmphetamine-induced dopamine releaseCortical DA releaseMesocortical DA systemEffects of nicotineSmoking-related behaviorsMesolimbic dopamine systemLong-term abstinenceSex differencesGender-specific treatmentFemale nonsmokersTobacco smokersAmphetamine administrationDopamine releaseNeurochemical mechanismsNonsmokersSmokersLower Dorsal Putamen D2/3 Receptor Availability and Amphetamine-Induced Dopamine Release are Related to Poorer Cognitive Function in Recently Abstinent People Who Smoke and Healthy Controls
Cheung F, Calakos K, Gueorguieva R, Hillmer A, Cosgrove K, Zakiniaeiz Y. Lower Dorsal Putamen D2/3 Receptor Availability and Amphetamine-Induced Dopamine Release are Related to Poorer Cognitive Function in Recently Abstinent People Who Smoke and Healthy Controls. Nicotine & Tobacco Research 2024, 26: 1038-1044. PMID: 38367211, PMCID: PMC11260895, DOI: 10.1093/ntr/ntae031.Peer-Reviewed Original ResearchAmphetamine-induced dopamine releaseBrain-behavior relationshipsAbstinent peopleDorsal striatumCognitive functionDopamine releasePoorer cognitive functionD2/3R availabilityDelayed recallHealthy controlsTests of verbal learningDysregulated dopamine signalingD2/3 receptor availabilityDrug-seeking behaviorDorsolateral prefrontal cortexCogState computerized batteryPositron emission tomography scanAmphetamine administrationMesocortical pathwayMesolimbic pathwayDopamine systemPrefrontal cortexVerbal learningBaseline BPNDDopamine signaling