Systemic inflammation enhances stimulant-induced striatal dopamine elevation in tobacco smokers
Zakiniaeiz Y, Hoye J, Ryan Petrulli J, LeVasseur B, Stanley G, Gao H, Najafzadeh S, Ropchan J, Nabulsi N, Huang Y, Chen MK, Matuskey D, Barron DS, Kelmendi B, Fulbright RK, Hampson M, Cosgrove KP, Morris ED. Systemic inflammation enhances stimulant-induced striatal dopamine elevation in tobacco smokers. Brain Behavior And Immunity 2022, 106: 262-269. PMID: 36058419, PMCID: PMC10097458, DOI: 10.1016/j.bbi.2022.08.016.Peer-Reviewed Original ResearchConceptsEffects of LPSDopamine elevationTobacco smokersHealthy controlsSystemic inflammationDopamine systemImmune-brain interactionReward-related brain regionsAdministration of placeboAdministration of LPSSmoking statusRepeated-measures ANOVAPathophysiology of addictionDrug dosingPlaceboIndependent cohortSmokersDrug reinforcementEffect size determinationImmune systemRandomized orderBrain regionsLPSMethylphenidatePBO conditionToward whole-brain dopamine movies: a critical review of PET imaging of dopamine transmission in the striatum and cortex
Liu H, Zakiniaeiz Y, Cosgrove KP, Morris ED. Toward whole-brain dopamine movies: a critical review of PET imaging of dopamine transmission in the striatum and cortex. Brain Imaging And Behavior 2017, 13: 314-322. PMID: 29071465, PMCID: PMC5918462, DOI: 10.1007/s11682-017-9779-7.Peer-Reviewed Original ResearchConceptsDA releaseDA receptorsDA changesCortical DA releaseMesocorticolimbic dopamine circuitRecent PET studiesPositron emission tomography (PET) radiotracerMesocortical DA pathwaysMesocortical systemCigarette smokingDA pathwayDA transmissionMesolimbic pathwayDopamine transmissionMesocortical DAWhole brainDopamine circuitsNovel high affinityTomography radiotracerPET studiesPET dataStriatumPET imagingEffects of stressCortex