2021
Imaging Pituitary Vasopressin 1B Receptor in Humans with the PET Radiotracer 11C-TASP699
Naganawa M, Nabulsi NB, Matuskey D, Henry S, Ropchan J, Lin SF, Gao H, Pracitto R, Labaree D, Zhang MR, Suhara T, Nishino I, Sabia H, Ozaki S, Huang Y, Carson RE. Imaging Pituitary Vasopressin 1B Receptor in Humans with the PET Radiotracer 11C-TASP699. Journal Of Nuclear Medicine 2021, 63: 609-614. PMID: 34385336, DOI: 10.2967/jnumed.121.262430.Peer-Reviewed Original ResearchMeSH KeywordsHumansHypothalamo-Hypophyseal SystemPituitary-Adrenal SystemPositron-Emission TomographyPyridinesPyrimidinonesReceptors, VasopressinReproducibility of ResultsConceptsMultilinear analysis 1Test-retest variabilityPlasma concentrationsHealthy subjectsR occupancyR antagonistBrain regionsMetabolite-corrected arterial input functionAbsolute test-retest variabilityAdrenal axis activityNovel PET radiotracersSubstantial specific bindingDose-dependent fashionVasopressin 1b receptorTest-retest reproducibilityHalf maximal inhibitory concentrationAdverse eventsAxis activityOutcome measuresReceptor occupancyTime-activity curvesArginine vasopressinPosterior pituitaryDistribution volumeNeuropsychiatric disordersIdentifying brain networks in synaptic density PET (11C-UCB-J) with independent component analysis
Fang XT, Toyonaga T, Hillmer AT, Matuskey D, Holmes SE, Radhakrishnan R, Mecca AP, van Dyck CH, D’Souza D, Esterlis I, Worhunsky PD, Carson RE. Identifying brain networks in synaptic density PET (11C-UCB-J) with independent component analysis. NeuroImage 2021, 237: 118167. PMID: 34000404, PMCID: PMC8452380, DOI: 10.1016/j.neuroimage.2021.118167.Peer-Reviewed Original ResearchConceptsSynaptic densityResting-state functional magnetic resonance imagingSynaptic vesicle protein 2ALevel-dependent signal fluctuationsBrain networksFunctional magnetic resonance imagingMagnetic resonance imagingAge-related changesHealthy controlsResonance imagingRs-fMRIEffects of sexProtein 2AMultiple comparisonsHuman brainAgePotential utilitySexFirst evidenceCovariance patternsAssessment of test-retest reproducibility of [18F]SynVesT-1, a novel radiotracer for PET imaging of synaptic vesicle glycoprotein 2A
Li S, Naganawa M, Pracitto R, Najafzadeh S, Holden D, Henry S, Matuskey D, Emery PR, Cai Z, Ropchan J, Nabulsi N, Carson RE, Huang Y. Assessment of test-retest reproducibility of [18F]SynVesT-1, a novel radiotracer for PET imaging of synaptic vesicle glycoprotein 2A. European Journal Of Nuclear Medicine And Molecular Imaging 2021, 48: 1327-1338. PMID: 33416954, DOI: 10.1007/s00259-020-05149-3.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainFluorine RadioisotopesGlycoproteinsPositron-Emission TomographyPyridinesPyrrolidinonesRadiopharmaceuticalsReproducibility of ResultsSynaptic VesiclesConceptsTest-retest reproducibilityTime-activity curvesBPND valuesNonhuman primatesAbsolute test-retest variabilitySynaptic vesicle glycoprotein 2AHigh brain uptakeNon-displaceable binding potentialExcellent test-retest reproducibilityGray matter areasHealthy human subjectsHigh uptakeTest-retest variabilityDynamic PET scanningTest-retest reliabilityBrain uptakeDistribution volume valuesCentrum semiovaleUrinary bladderOne-tissue compartment modelMaximum SUVPET scanningPET scansTracer uptakeBrain disorders
2020
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
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
Imaging 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 1
2017
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
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 ResearchPET imaging of α7 nicotinic acetylcholine receptors: a comparative study of [18F]ASEM and [18F]DBT-10 in nonhuman primates, and further evaluation of [18F]ASEM in humans
Hillmer AT, Li S, Zheng MQ, Scheunemann M, Lin SF, Nabulsi N, Holden D, Pracitto R, Labaree D, Ropchan J, Teodoro R, Deuther-Conrad W, Esterlis I, Cosgrove KP, Brust P, Carson RE, Huang Y. PET imaging of α7 nicotinic acetylcholine receptors: a comparative study of [18F]ASEM and [18F]DBT-10 in nonhuman primates, and further evaluation of [18F]ASEM in humans. European Journal Of Nuclear Medicine And Molecular Imaging 2017, 44: 1042-1050. PMID: 28120003, PMCID: PMC5400702, DOI: 10.1007/s00259-017-3621-8.Peer-Reviewed Original Research
2016
Imaging of cerebral α4β2* nicotinic acetylcholine receptors with (−)-[18F]Flubatine PET: Implementation of bolus plus constant infusion and sensitivity to acetylcholine in human brain
Hillmer AT, Esterlis I, Gallezot JD, Bois F, Zheng MQ, Nabulsi N, Lin SF, Papke RL, Huang Y, Sabri O, Carson RE, Cosgrove KP. Imaging of cerebral α4β2* nicotinic acetylcholine receptors with (−)-[18F]Flubatine PET: Implementation of bolus plus constant infusion and sensitivity to acetylcholine in human brain. NeuroImage 2016, 141: 71-80. PMID: 27426839, PMCID: PMC5026941, DOI: 10.1016/j.neuroimage.2016.07.026.Peer-Reviewed Original ResearchMeSH KeywordsAcetylcholineAdultBenzamidesBrainBridged Bicyclo Compounds, HeterocyclicComputer SimulationHumansImage Interpretation, Computer-AssistedInfusions, IntraventricularMetabolic Clearance RateMiddle AgedModels, NeurologicalMolecular ImagingNeurotransmitter AgentsPositron-Emission TomographyRadiopharmaceuticalsReceptors, NicotinicReproducibility of ResultsSensitivity and SpecificityTissue DistributionYoung AdultConceptsGray matter regionsFirst-in-Human Assessment of the Novel PDE2A PET Radiotracer 18F-PF-05270430
Naganawa M, Waterhouse RN, Nabulsi N, Lin SF, Labaree D, Ropchan J, Tarabar S, DeMartinis N, Ogden A, Banerjee A, Huang Y, Carson RE. First-in-Human Assessment of the Novel PDE2A PET Radiotracer 18F-PF-05270430. Journal Of Nuclear Medicine 2016, 57: 1388-1395. PMID: 27103022, PMCID: PMC5093918, DOI: 10.2967/jnumed.115.166850.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAzabicyclo CompoundsAzetidinesBrainComputer SimulationCyclic Nucleotide Phosphodiesterases, Type 2Feasibility StudiesFemaleHumansIsotope LabelingMacaca mulattaMaleMetabolic Clearance RateModels, BiologicalMolecular ImagingOrgan SpecificityPilot ProjectsPositron-Emission TomographyRadiopharmaceuticalsReproducibility of ResultsSensitivity and SpecificityTissue DistributionConceptsTest-retest variabilityHuman studiesPET ligandWhite matterNeocortical regionsMultilinear analysis 1MSv/MBqHealthy male subjectsDetectable pharmacologic effectsAppropriate tracer kinetic modelsTest-retest protocolAdverse eventsBrain uptakePharmacologic effectsRegional time-activity curvesTarget doseTime-activity curvesTracer uptakeMale subjectsWhole brainBrain regionsEffective doseCritical organsPET radiotracersNonhuman primatesIn vivo variation in same-day estimates of metabotropic glutamate receptor subtype 5 binding using [11C]ABP688 and [18F]FPEB
DeLorenzo C, Gallezot JD, Gardus J, Yang J, Planeta B, Nabulsi N, Ogden RT, Labaree DC, Huang YH, Mann JJ, Gasparini F, Lin X, Javitch JA, Parsey RV, Carson RE, Esterlis I. In vivo variation in same-day estimates of metabotropic glutamate receptor subtype 5 binding using [11C]ABP688 and [18F]FPEB. Cerebrovascular And Brain Metabolism Reviews 2016, 37: 2716-2727. PMID: 27742888, PMCID: PMC5536783, DOI: 10.1177/0271678x16673646.Peer-Reviewed Original ResearchConceptsMetabotropic glutamate receptor subtype 5Test-retest studySubtype 5Absolute test-retest variabilityBrain glutamatergic systemSame dayPositron emission tomography (PET) tracerTest-retest variabilityEmission tomography tracerGlutamatergic systemLarge cohortSmall cohortStudy designTomography tracerMGluR5ScansCohortVivo variationsDaysReplication studyBinding increasesResidual radioactivitySubjectsBinding differences
2015
Imaging 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 the metabotropic glutamate receptor 5 ligand [18F]FPEB with bolus plus constant infusion in humans
Park E, Sullivan JM, Planeta B, Gallezot JD, Lim K, Lin SF, Ropchan J, McCarthy TJ, Ding YS, Morris ED, Williams WA, Huang Y, Carson RE. Test–retest reproducibility of the metabotropic glutamate receptor 5 ligand [18F]FPEB with bolus plus constant infusion in humans. European Journal Of Nuclear Medicine And Molecular Imaging 2015, 42: 1530-1541. PMID: 26044120, PMCID: PMC5467218, DOI: 10.1007/s00259-015-3094-6.Peer-Reviewed Original ResearchConceptsVolume of distributionAbsolute test-retest variabilityCerebellar white matterTest-retest reproducibilityMetabotropic glutamate receptor 5Venous blood measurementsGlutamate receptor 5Healthy male subjectsPromising PET radioligandArterial blood concentrationPET imaging tracerTest-retest variabilityTwo-tissue compartment modelRegional BPNDVenous bloodBlood concentrationsArterial bloodReceptor 5Constant infusionMale subjectsWhite matterBlood measurementsGray matterNeuropsychiatric diseasesPET radioligand11C-PBR28 imaging in multiple sclerosis patients and healthy controls: test-retest reproducibility and focal visualization of active white matter areas
Park E, Gallezot JD, Delgadillo A, Liu S, Planeta B, Lin SF, O’Connor K, Lim K, Lee JY, Chastre A, Chen MK, Seneca N, Leppert D, Huang Y, Carson RE, Pelletier D. 11C-PBR28 imaging in multiple sclerosis patients and healthy controls: test-retest reproducibility and focal visualization of active white matter areas. European Journal Of Nuclear Medicine And Molecular Imaging 2015, 42: 1081-1092. PMID: 25833352, DOI: 10.1007/s00259-015-3043-4.Peer-Reviewed Original ResearchConceptsNormal-appearing white matterVolume of distributionTest-retest variabilityWhole brain white matterHealthy controlsMicroglial activationTest-retest reproducibilityGray matterMultiple sclerosisMS subjectsWhite matterWhole brain gray matterGood test-retest reproducibilityAbsolute test-retest variabilityActive MS patientsPositron emission tomography (PET) ligandMultiple sclerosis patientsMain outcome measuresWhite matter areasMS WM lesionsBrain gray matterDemyelinating injuryTest-retest resultsVT valuesMS patientsTest–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
2002
Strategies to Improve Neuroreceptor Parameter Estimation by Linear Regression Analysis
Ichise M, Toyama H, Innis RB, Carson RE. Strategies to Improve Neuroreceptor Parameter Estimation by Linear Regression Analysis. Cerebrovascular And Brain Metabolism Reviews 2002, 22: 1271-1281. PMID: 12368666, DOI: 10.1097/01.wcb.0000038000.34930.4e.Peer-Reviewed Original Research