Featured Publications
Reduced synaptic vesicle protein 2A binding in temporal lobe epilepsy: A [11C]UCB‐J positron emission tomography study
Finnema SJ, Toyonaga T, Detyniecki K, Chen M, Dias M, Wang Q, Lin S, Naganawa M, Gallezot J, Lu Y, Nabulsi NB, Huang Y, Spencer DD, Carson RE. Reduced synaptic vesicle protein 2A binding in temporal lobe epilepsy: A [11C]UCB‐J positron emission tomography study. Epilepsia 2020, 61: 2183-2193. PMID: 32944949, DOI: 10.1111/epi.16653.Peer-Reviewed Original ResearchConceptsMedial temporal lobe sclerosisTemporal lobe epilepsyTLE subjectsPositron emission tomographyLobe epilepsyJ BPSynaptic vesicle protein 2APartial volume correctionTemporal lobe sclerosisPositron emission tomography studyEmission tomography studiesSeizure onset zonePromising biomarker approachJ bindingPresurgical selectionSclerotic hippocampusHippocampal asymmetryTLE patientsRegional binding patternsControl subjectsCentrum semiovaleContralateral regionsEpilepsy patientsOutcome measuresOnset zoneQuantification of Amphetamine-Induced Changes in [11C] Raclopride Binding with Continuous Infusion
Carson R, Breier* A, de Bartolomeis* A, Saunders† R, Su* T, Schmall B, Der M, Pickar* D, Eckelman W. Quantification of Amphetamine-Induced Changes in [11C] Raclopride Binding with Continuous Infusion. Cerebrovascular And Brain Metabolism Reviews 1997, 17: 437-447. PMID: 9143226, DOI: 10.1097/00004647-199704000-00009.Peer-Reviewed Original Research
2020
Separating dopamine D2 and D3 receptor sources of [11C]-(+)-PHNO binding potential: Independent component analysis of competitive binding
Smart K, Gallezot JD, Nabulsi N, Labaree D, Zheng MQ, Huang Y, Carson RE, Hillmer AT, Worhunsky PD. Separating dopamine D2 and D3 receptor sources of [11C]-(+)-PHNO binding potential: Independent component analysis of competitive binding. NeuroImage 2020, 214: 116762. PMID: 32201327, PMCID: PMC7263955, DOI: 10.1016/j.neuroimage.2020.116762.Peer-Reviewed Original ResearchKinetic Modeling and Test–Retest Reproducibility of 11C-EKAP and 11C-FEKAP, Novel Agonist Radiotracers for PET Imaging of the κ-Opioid Receptor in Humans
Naganawa M, Li S, Nabulsi N, Lin SF, Labaree D, Ropchan J, Gao H, Mei M, Henry S, Matuskey D, Carson RE, Huang Y. Kinetic Modeling and Test–Retest Reproducibility of 11C-EKAP and 11C-FEKAP, Novel Agonist Radiotracers for PET Imaging of the κ-Opioid Receptor in Humans. Journal Of Nuclear Medicine 2020, 61: 1636-1642. PMID: 32169917, PMCID: PMC9364890, DOI: 10.2967/jnumed.119.227694.Peer-Reviewed Original Research
2019
Measuring the effects of ketamine on mGluR5 using [18F]FPEB and PET
Holmes SE, Gallezot JD, Davis MT, DellaGioia N, Matuskey D, Nabulsi N, Krystal JH, Javitch JA, DeLorenzo C, Carson RE, Esterlis I. Measuring the effects of ketamine on mGluR5 using [18F]FPEB and PET. Cerebrovascular And Brain Metabolism Reviews 2019, 40: 2254-2264. PMID: 31744389, PMCID: PMC7585925, DOI: 10.1177/0271678x19886316.Peer-Reviewed Original ResearchConceptsEffects of ketamineKetamine infusionGlutamate transmissionMetabotropic glutamate receptor 5Ketamine-induced effectsKetamine-induced changesGlutamate receptor 5Promising treatment targetDrug challenge studiesTwo-tissue compartment modelMGluR5 radioligandBlood pressureMGluR5 availabilityBaseline scanOutcome measuresHealthy subjectsHeart ratePsychiatric disordersReceptor 5Modulatory effectsMGluR5Treatment targetsChallenge studiesArterial input functionChallenge paradigmNorepinephrine transporter availability in brown fat is reduced in obesity: a human PET study with [11C] MRB
Sanchez-Rangel E, Gallezot JD, Yeckel CW, Lam W, Belfort-DeAguiar R, Chen MK, Carson RE, Sherwin R, Hwang JJ. Norepinephrine transporter availability in brown fat is reduced in obesity: a human PET study with [11C] MRB. International Journal Of Obesity 2019, 44: 964-967. PMID: 31636373, PMCID: PMC7259982, DOI: 10.1038/s41366-019-0471-4.Peer-Reviewed Original ResearchConceptsBrown adipose tissueDetectable brown adipose tissueDistribution volume ratioMultilinear reference tissue model 2Norepinephrine transporterSympathetic innervationNorepinephrine transporter availabilityHuman brown adipose tissueDense sympathetic innervationPET-CT imagingReference tissue model 2Human PET studiesSupraclavicular regionCaucasian womenTransporter availabilityOccipital cortexObesityTherapeutic targetAdipose tissueBrown fatPET studiesWomenInnervationSelective ligandsEnergy-dissipating propertiesKappa-opioid receptors, dynorphin, and cocaine addiction: a positron emission tomography study
Martinez D, Slifstein M, Matuskey D, Nabulsi N, Zheng MQ, Lin SF, Ropchan J, Urban N, Grassetti A, Chang D, Salling M, Foltin R, Carson RE, Huang Y. Kappa-opioid receptors, dynorphin, and cocaine addiction: a positron emission tomography study. Neuropsychopharmacology 2019, 44: 1720-1727. PMID: 31026862, PMCID: PMC6785004, DOI: 10.1038/s41386-019-0398-4.Peer-Reviewed Original ResearchConceptsCocaine use disorderStress-induced relapsePositron emission tomographyCocaine bingeKappa-opioid receptor/dynorphin systemKOR selective agonistPositron emission tomography studyKappa-opioid receptorsCold pressor testCocaine self-administration sessionsEmission tomography studiesSelf-administration sessionsStress-induced cocaineEndogenous dynorphinDynorphin systemHealthy controlsPressor testSelective agonistPET scansAnimal studiesKOR bindingReceptor availabilitySignificant associationBrain regionsEmission tomographyA single‐center, open‐label positron emission tomography study to evaluate brivaracetam and levetiracetam synaptic vesicle glycoprotein 2A binding in healthy volunteers
Finnema SJ, Rossano S, Naganawa M, Henry S, Gao H, Pracitto R, Maguire RP, Mercier J, Kervyn S, Nicolas J, Klitgaard H, DeBruyn S, Otoul C, Martin P, Muglia P, Matuskey D, Nabulsi NB, Huang Y, Kaminski RM, Hannestad J, Stockis A, Carson RE. A single‐center, open‐label positron emission tomography study to evaluate brivaracetam and levetiracetam synaptic vesicle glycoprotein 2A binding in healthy volunteers. Epilepsia 2019, 60: 958-967. PMID: 30924924, PMCID: PMC6532410, DOI: 10.1111/epi.14701.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, OralAnticonvulsantsCarbon RadioisotopesFemaleHealthy VolunteersHumansInhibitory Concentration 50Injections, IntravenousLevetiracetamMagnetic Resonance ImagingMaleMembrane GlycoproteinsNerve Tissue ProteinsNeuroimagingPositron-Emission TomographyProtein BindingPyrrolidinonesConceptsSynaptic vesicle glycoprotein 2AIntravenous brivaracetamHours postdoseBrain penetrationHealthy volunteersDaily oral dosingPositron emission tomography studyFurther clinical studiesEmission tomography studiesPlasma concentration relationshipPositron emission tomography (PET) tracerEmission tomography tracerVivo animal studiesAcute seizuresAntiepileptic drugsTherapeutic dosesCohort 2Oral dosingCohort 1Clinical studiesCohort 3LevetiracetamAnimal studiesRelevant dosesBrivaracetamImaging the Enzyme 11β-Hydroxysteroid Dehydrogenase Type 1 with PET: Evaluation of the Novel Radiotracer 11C-AS2471907 in Human Brain
Gallezot JD, Nabulsi N, Henry S, Pracitto R, Planeta B, Ropchan J, Lin SF, Labaree D, Kapinos M, Shirali A, Lara-Jaime T, Gao H, Matuskey D, Walzer M, Marek GJ, Bellaire S, Yuan N, Carson RE, Huang Y. Imaging the Enzyme 11β-Hydroxysteroid Dehydrogenase Type 1 with PET: Evaluation of the Novel Radiotracer 11C-AS2471907 in Human Brain. Journal Of Nuclear Medicine 2019, 60: 1140-1146. PMID: 30877174, DOI: 10.2967/jnumed.118.219766.Peer-Reviewed Original ResearchConceptsTest-retest variabilityNondisplaceable distribution volumeOccipital cortexEnzyme 11β-hydroxysteroid dehydrogenase type 1White matterDistribution volumeTreatment of depressionDehydrogenase type 1Large cortical regionsPosttraumatic stress disorderHuman brainAdditional scansIntraclass correlation coefficientAge-related cognitive functionBolus administrationFrontal cortexCaudate nucleusAdipose tissueTime-activity curvesNovel radiotracersGlucocorticoid levelsParietal cortexCortical regionsPattern of uptakeType 1Evaluation of 11C-LSN3172176 as a Novel PET Tracer for Imaging M1 Muscarinic Acetylcholine Receptors in Nonhuman Primates
Nabulsi NB, Holden D, Zheng MQ, Bois F, Lin SF, Najafzadeh S, Gao H, Ropchan J, Lara-Jaime T, Labaree D, Shirali A, Slieker L, Jesudason C, Barth V, Navarro A, Kant N, Carson RE, Huang Y. Evaluation of 11C-LSN3172176 as a Novel PET Tracer for Imaging M1 Muscarinic Acetylcholine Receptors in Nonhuman Primates. Journal Of Nuclear Medicine 2019, 60: 1147-1153. PMID: 30733324, DOI: 10.2967/jnumed.118.222034.Peer-Reviewed Original ResearchConceptsMuscarinic acetylcholine receptorsAcetylcholine receptorsNonhuman primatesM1 muscarinic acetylcholine receptorBrain time-activity curvesRich brain regionsArterial blood samplingNovel PET tracersSuitable reference regionRegional distribution volumesReference regionDevelopment of drugsBrain uptakeGlobus pallidusDistribution volume valuesNucleus accumbensBlood samplingPET scansTime-activity curvesCognitive impairmentAlzheimer's diseaseBrain regionsDistribution volumeSelective radiotracerRhesus monkeys
2017
Evaluation of the Lysophosphatidic Acid Receptor Type 1 Radioligand 11C-BMT-136088 for Lung Imaging in Rhesus Monkeys
Gallezot JD, Nabulsi NB, Holden D, Lin SF, Labaree D, Ropchan J, Najafzadeh S, Donnelly DJ, Cao K, Bonacorsi S, Seiders J, Roppe J, Hayes W, Huang Y, Du S, Carson RE. Evaluation of the Lysophosphatidic Acid Receptor Type 1 Radioligand 11C-BMT-136088 for Lung Imaging in Rhesus Monkeys. Journal Of Nuclear Medicine 2017, 59: 327-333. PMID: 28864634, DOI: 10.2967/jnumed.117.195073.Peer-Reviewed Original ResearchConceptsMultilinear analysis 1Rhesus monkeysHighest organ doseLung tissue injuryLung regionsΜSv/MBqPlasma free fractionReceptor type 1Test-retest scansTest-retest variabilityVivo dissociationMolecule lysophosphatidic acidRight lung regionsML of plasmaNondisplaceable volumePulmonary fibrosisLung fibrosisVascular leakageInfusion protocolPlasma concentrationsTissue injuryDrug doseNormal healingOrgan doseType 1Kinetic evaluation and test–retest reproducibility of [11C]UCB-J, a novel radioligand for positron emission tomography imaging of synaptic vesicle glycoprotein 2A in humans
Finnema SJ, Nabulsi NB, Mercier J, Lin SF, Chen MK, Matuskey D, Gallezot JD, Henry S, Hannestad J, Huang Y, Carson RE. Kinetic evaluation and test–retest reproducibility of [11C]UCB-J, a novel radioligand for positron emission tomography imaging of synaptic vesicle glycoprotein 2A in humans. Cerebrovascular And Brain Metabolism Reviews 2017, 38: 2041-2052. PMID: 28792356, PMCID: PMC6259313, DOI: 10.1177/0271678x17724947.Peer-Reviewed Original ResearchKetamine-induced reduction in mGluR5 availability is associated with an antidepressant response: an [11C]ABP688 and PET imaging study in depression
Esterlis I, DellaGioia N, Pietrzak RH, Matuskey D, Nabulsi N, Abdallah CG, Yang J, Pittenger C, Sanacora G, Krystal JH, Parsey RV, Carson RE, DeLorenzo C. Ketamine-induced reduction in mGluR5 availability is associated with an antidepressant response: an [11C]ABP688 and PET imaging study in depression. Molecular Psychiatry 2017, 23: 824-832. PMID: 28397841, PMCID: PMC5636649, DOI: 10.1038/mp.2017.58.Peer-Reviewed Original ResearchConceptsMajor depressive disorderMGluR5 availabilityPositron emission tomographyKetamine administrationControl groupAspartate glutamate receptor antagonistIntravenous ketamine administrationKetamine-induced reductionMetabotropic glutamatergic receptorsRapid antidepressant effectsGlutamate receptor antagonistsKetamine-induced changesEffects of ketaminePET imaging studiesMechanism of actionGlutamate surgeAntidepressant effectsAntidepressant efficacyAntidepressant responseGlutamatergic receptorsControl subjectsReceptor antagonistHealthy controlsDepressive disorderSustained decreaseIn vivo imaging of translocator protein, a marker of activated microglia, in alcohol dependence
Hillmer AT, Sandiego CM, Hannestad J, Angarita GA, Kumar A, McGovern EM, Huang Y, O'Connor KC, Carson RE, O'Malley SS, Cosgrove KP. In vivo imaging of translocator protein, a marker of activated microglia, in alcohol dependence. Molecular Psychiatry 2017, 22: 1759-1766. PMID: 28242869, PMCID: PMC5573660, DOI: 10.1038/mp.2017.10.Peer-Reviewed Original ResearchMeSH KeywordsAcetamidesAdultAlcoholismBrainBrain MappingCarbon RadioisotopesCells, CulturedCytokinesFemaleHumansInflammationLipopolysaccharidesMaleMicrogliaMonocytesNeuroimagingPolymorphism, Single NucleotidePositron-Emission TomographyPyridinesRadiopharmaceuticalsReceptors, GABASeverity of Illness IndexConceptsAlcohol-dependent subjectsAlcohol dependenceTSPO levelsTranslocator proteinProinflammatory cytokine interleukin-6Peripheral immune profilePeripheral immune responseCytokine interleukin-6Absence of lipopolysaccharideSubset of subjectsAlcohol use disorderPositron emission tomographyAlcohol-dependent individualsMicroglial activationImmune profileNeuroimmune systemCytokine expressionBrain levelsProinflammatory responseInterleukin-6Healthy controlsInterleukin-8Immune responseLast drinkUse disorders
2016
Determination of receptor occupancy in the presence of mass dose: [11C]GSK189254 PET imaging of histamine H3 receptor occupancy by PF-03654746
Gallezot JD, Planeta B, Nabulsi N, Palumbo D, Li X, Liu J, Rowinski C, Chidsey K, Labaree D, Ropchan J, Lin SF, Sawant-Basak A, McCarthy TJ, Schmidt AW, Huang Y, Carson RE. Determination of receptor occupancy in the presence of mass dose: [11C]GSK189254 PET imaging of histamine H3 receptor occupancy by PF-03654746. Cerebrovascular And Brain Metabolism Reviews 2016, 37: 1095-1107. PMID: 27207170, PMCID: PMC5363483, DOI: 10.1177/0271678x16650697.Peer-Reviewed Original Research
2015
Receptor Occupancy of the κ-Opioid Antagonist LY2456302 Measured with Positron Emission Tomography and the Novel Radiotracer 11C-LY2795050
Naganawa M, Dickinson GL, Zheng MQ, Henry S, Vandenhende F, Witcher J, Bell R, Nabulsi N, Lin SF, Ropchan J, Neumeister A, Ranganathan M, Tauscher J, Huang Y, Carson RE. Receptor Occupancy of the κ-Opioid Antagonist LY2456302 Measured with Positron Emission Tomography and the Novel Radiotracer 11C-LY2795050. Journal Of Pharmacology And Experimental Therapeutics 2015, 356: 260-266. PMID: 26628406, PMCID: PMC4727157, DOI: 10.1124/jpet.115.229278.Peer-Reviewed Original ResearchMeSH KeywordsAdultBenzamidesBrainCarbon RadioisotopesHumansMaleMiddle AgedPositron-Emission TomographyPyrrolidinesReceptors, Opioid, kappaYoung AdultConceptsHours postdosePositron emission tomographyReceptor occupancyEmission tomographySerious adverse eventsSingle oral dosesImportant therapeutic roleΚ-opioid receptorsSubstance abuse disordersFurther clinical testingHealthy human subjectsMultilinear analysis-1 (MA1) methodAntagonist radiotracersAdverse eventsOral dosesBrain penetrationTherapeutic rolePlasma concentrationsAbuse disordersEthanol consumptionLY2456302Clinical testingNovel radiotracersAlcohol dependenceDistribution volumeImaging robust microglial activation after lipopolysaccharide administration in humans with PET
Sandiego CM, Gallezot JD, Pittman B, Nabulsi N, Lim K, Lin SF, Matuskey D, Lee JY, O’Connor K, Huang Y, Carson RE, Hannestad J, Cosgrove KP. Imaging robust microglial activation after lipopolysaccharide administration in humans with PET. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 12468-12473. PMID: 26385967, PMCID: PMC4603509, DOI: 10.1073/pnas.1511003112.Peer-Reviewed Original ResearchConceptsMicroglial activationBrain microglial activationLPS administrationInflammatory cytokinesLPS challengeRobust microglial activationSystemic LPS challengeActivation of microgliaInnate immune cellsVital sign changesHealthy male subjectsEscherichia coli lipopolysaccharidePositron emission tomography (PET) radiotracerNeuroinflammatory responseSystemic inflammationLipopolysaccharide administrationAntiinflammatory effectsBlood levelsImmune cellsNew medicationsSystemic administrationColi lipopolysaccharidePET scansPsychiatric diseasesMale subjectsTest–Retest Reproducibility of Binding Parameters in Humans with 11C-LY2795050, an Antagonist PET Radiotracer for the κ Opioid Receptor
Naganawa M, Zheng MQ, Henry S, Nabulsi N, Lin SF, Ropchan J, Labaree D, Najafzadeh S, Kapinos M, Tauscher J, Neumeister A, Carson RE, Huang Y. Test–Retest Reproducibility of Binding Parameters in Humans with 11C-LY2795050, an Antagonist PET Radiotracer for the κ Opioid Receptor. Journal Of Nuclear Medicine 2015, 56: 243-248. PMID: 25593119, PMCID: PMC4322754, DOI: 10.2967/jnumed.114.147975.Peer-Reviewed Original ResearchConceptsTest-retest variabilityOpioid receptorsOutcome measuresAbsolute test-retest variabilityMultilinear analysis 1Healthy human subjectsSuitable reference regionTest-retest reproducibilityIntraclass correlation coefficientAntagonist radiotracersHealthy subjectsLY2795050PET scansBrain regionsDistribution volumePET radioligandTest-retest performancePET studiesArterial input functionPET radiotracersHuman subjectsReference regionReceptorsVT valuesKOR
2014
In Vivo Ketamine-Induced Changes in [11C]ABP688 Binding to Metabotropic Glutamate Receptor Subtype 5
DeLorenzo C, DellaGioia N, Bloch M, Sanacora G, Nabulsi N, Abdallah C, Yang J, Wen R, Mann JJ, Krystal JH, Parsey RV, Carson RE, Esterlis I. In Vivo Ketamine-Induced Changes in [11C]ABP688 Binding to Metabotropic Glutamate Receptor Subtype 5. Biological Psychiatry 2014, 77: 266-275. PMID: 25156701, PMCID: PMC4277907, DOI: 10.1016/j.biopsych.2014.06.024.Peer-Reviewed Original ResearchConceptsSubtype 5Ketamine administrationPET scansMetabotropic glutamate receptor subtype 5Prefrontal cortexAspartate glutamate receptor antagonistIntravenous ketamine administrationKetamine-induced effectsPositron emission tomography (PET) ligandGlutamate receptor antagonistsVolume of distributionMedial prefrontal cortexNegative allosteric modulatorsKetamine initiationGlutamate releaseDorsal putamenKetamine responseSubanesthetic dosesOrbital prefrontal cortexReceptor antagonistAcute effectsBolus injectionDorsal caudateArterial bloodScan 1
2003
Linearized Reference Tissue Parametric Imaging Methods: Application to [11C]DASB Positron Emission Tomography Studies of the Serotonin Transporter in Human Brain
Ichise M, Liow JS, Lu JQ, Takano A, Model K, Toyama H, Suhara T, Suzuki K, Innis RB, Carson RE. Linearized Reference Tissue Parametric Imaging Methods: Application to [11C]DASB Positron Emission Tomography Studies of the Serotonin Transporter in Human Brain. Cerebrovascular And Brain Metabolism Reviews 2003, 23: 1096-1112. PMID: 12973026, DOI: 10.1097/01.wcb.0000085441.37552.ca.Peer-Reviewed Original Research