2024
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
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
2022
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 acts
2021
Recently Abstinent Smokers Exhibit Mood-Associated Dopamine Dysfunction in the Ventral Striatum Compared to Nonsmokers: A [11C]-(+)-PHNO PET Study
Calakos KC, Hillmer AT, Angarita GA, Baldassarri SR, Najafzadeh S, Emery PR, Matuskey D, Huang Y, Cosgrove KP. Recently Abstinent Smokers Exhibit Mood-Associated Dopamine Dysfunction in the Ventral Striatum Compared to Nonsmokers: A [11C]-(+)-PHNO PET Study. Nicotine & Tobacco Research 2021, 24: 745-752. PMID: 34628508, PMCID: PMC8962719, DOI: 10.1093/ntr/ntab208.Peer-Reviewed Original ResearchConceptsSmoking cessationAbstinent smokersDopamine releaseVentral striatumPercent changeTobacco smokersDopamine dysfunctionDopamine functionPHNO scansPositron emission tomography brainHigher CES-D scoresAbstinent tobacco smokersEarly quit attemptsHuman tobacco smokersPHNO PET StudyStriatal dopamine dysfunctionEpidemiologic Studies Depression ScaleStriatal dopamine releaseChronic nicotine exposureCES-D scoresSmoking cessation attemptNegative mood symptomsReceptor agonist radioligandStriatal dopamine functionLong-term abstinence
2019
Sex 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 mechanismsNonsmokersSmokers
2017
The Effect of Treatment with Guanfacine, an Alpha2 Adrenergic Agonist, on Dopaminergic Tone in Tobacco Smokers: An [11C]FLB457 PET Study
Sandiego CM, Matuskey D, Lavery M, McGovern E, Huang Y, Nabulsi N, Ropchan J, Picciotto MR, Morris ED, McKee SA, Cosgrove KP. The Effect of Treatment with Guanfacine, an Alpha2 Adrenergic Agonist, on Dopaminergic Tone in Tobacco Smokers: An [11C]FLB457 PET Study. Neuropsychopharmacology 2017, 43: 1052-1058. PMID: 28944773, PMCID: PMC5854798, DOI: 10.1038/npp.2017.223.Peer-Reviewed Original ResearchConceptsTobacco smokersGuanfacine treatmentPositron emission tomographyTobacco smokingDA releaseDopaminergic toneDopamine releaseAmphetamine-induced DA releaseTobacco smoking cessationCortical dopamine releaseExtrastriatal brain regionsAlpha2-adrenergic agonistExtrastriatal dopamine releaseEffect of treatmentBaseline BPNDSmoking cessationReceptor radiotracerAdrenergic agonistsPET scansAnimal modelsBrain regionsEmission tomographyPET studiesDopamine signalingSmokers
2013
Imaging Nicotine- and Amphetamine-Induced Dopamine Release in Rhesus Monkeys with [11C]PHNO vs [11C]raclopride PET
Gallezot JD, Kloczynski T, Weinzimmer D, Labaree D, Zheng MQ, Lim K, Rabiner EA, Ridler K, Pittman B, Huang Y, Carson RE, Morris ED, Cosgrove KP. Imaging Nicotine- and Amphetamine-Induced Dopamine Release in Rhesus Monkeys with [11C]PHNO vs [11C]raclopride PET. Neuropsychopharmacology 2013, 39: 866-874. PMID: 24220025, PMCID: PMC3924521, DOI: 10.1038/npp.2013.286.Peer-Reviewed Original ResearchConceptsAmphetamine-induced DA releaseD2/D3 receptorsDA releaseD3 receptorsRhesus monkeysAmphetamine-Induced Dopamine ReleaseDopamine D2/D3 receptorsHuman tobacco smokersAmphetamine-induced changesClinical neuroimaging studiesAdult rhesus monkeysPositron emission tomography (PET) imagingEmission Tomography ImagingLow-affinity receptorsNon-human primatesTobacco smokersSubstantia nigraGlobus pallidusDopamine releaseNucleus accumbensNicotineNeuroimaging studiesTomography imagingBPNDReceptors