2023
Preclinical evaluation of a brain penetrant PARP PET imaging probe in rat glioblastoma and nonhuman primates
Chen B, Ojha D, Toyonaga T, Tong J, Pracitto R, Thomas M, Liu M, Kapinos M, Zhang L, Zheng M, Holden D, Fowles K, Ropchan J, Nabulsi N, De Feyter H, Carson R, Huang Y, Cai Z. Preclinical evaluation of a brain penetrant PARP PET imaging probe in rat glioblastoma and nonhuman primates. European Journal Of Nuclear Medicine And Molecular Imaging 2023, 50: 2081-2099. PMID: 36849748, DOI: 10.1007/s00259-023-06162-y.Peer-Reviewed Original ResearchConceptsPositron emission tomographyHealthy nonhuman primatesVolume of distributionDistribution volume ratioBrain kineticsRat glioblastoma modelPreclinical evaluationBrain regionsGlioblastoma modelPET tracersNonhuman primatesTumor-bearing ratsEx vivo biodistributionPET imaging resultsActive clinical trialsTreatment of glioblastomaHigh specific uptakeDynamic PET scansNoninvasive quantificationBrain positron emission tomographyNondisplaceable volumeBrain penetrationLow nonspecific uptakePrognostic informationClinical trialsDecreased synaptic vesicle glycoprotein 2A binding in a rodent model of familial Alzheimer's disease detected by [18F]SDM-16
Zheng C, Toyonaga T, Chen B, Nicholson L, Mennie W, Liu M, Spurrier J, Deluca K, Strittmatter S, Carson R, Huang Y, Cai Z. Decreased synaptic vesicle glycoprotein 2A binding in a rodent model of familial Alzheimer's disease detected by [18F]SDM-16. Frontiers In Neurology 2023, 14: 1045644. PMID: 36846134, PMCID: PMC9945093, DOI: 10.3389/fneur.2023.1045644.Peer-Reviewed Original ResearchStandardized uptake value ratioDistribution volume ratioAlzheimer's diseaseSimplified reference tissue modelSynapse lossMouse modelAPP/PS1 miceAge-matched wild-type miceAPPswe/PS1dE9 mouse modelAPP/PS1 AD mouse modelSlow brain kineticsAD mouse modelSynaptic vesicle glycoprotein 2APseudo-reference regionWild-type miceUptake value ratioMonths of ageDifferent brain regionsDifferent imaging windowsFamilial Alzheimer's diseasePET imaging studiesReference tissue modelPS1 miceBrain stemBrain kinetics
2022
Synthesis and characterization of the two enantiomers of a chiral sigma-1 receptor radioligand: (S)-(+)- and (R)-(-)-[18F]FBFP
Wang T, Zhang Y, Zhang X, Chen L, Zheng M, Zhang J, Brust P, Deuther-Conrad W, Huang Y, Jia H. Synthesis and characterization of the two enantiomers of a chiral sigma-1 receptor radioligand: (S)-(+)- and (R)-(-)-[18F]FBFP. Chinese Chemical Letters 2022, 33: 3543-3548. DOI: 10.1016/j.cclet.2022.03.099.Peer-Reviewed Original ResearchIodonium ylide precursorsMicro-positron emission tomographyHigh brain uptakeBrain uptakeICR miceBrain kineticsBlood ratioReceptor radiotracerReceptor radioligandEmission tomographyFurther evaluationFast clearanceComparable high affinityReceptorsBrainUnlabeled compoundsVivo stabilitySuperior imaging propertiesMolar activityHigh affinityAgonistsAntagonistRatsMiceRadioligand
2002
Comparative Evaluation in Nonhuman Primates of Five PET Radiotracers for Imaging the Serotonin Transporters: [11C]McN 5652, [11C]ADAM, [11C]DASB, [11C]DAPA, and [11C]AFM
Huang Y, Hwang D, Narendran R, Sudo Y, Chatterjee R, Bae S, Mawlawi O, Kegeles L, Wilson A, Kung H, Laruelle M. Comparative Evaluation in Nonhuman Primates of Five PET Radiotracers for Imaging the Serotonin Transporters: [11C]McN 5652, [11C]ADAM, [11C]DASB, [11C]DAPA, and [11C]AFM. Cerebrovascular And Brain Metabolism Reviews 2002, 22: 1377-1398. DOI: 10.1097/00004647-200211000-00011.Peer-Reviewed Original ResearchPositron emission tomographySerotonin transporterSERT availabilitySlow brain kineticsNonspecific equilibrium partition coefficientN-dimethylVivo positron emission tomographyEquilibrium partition coefficientHigher free fractionKinetic uptakeRegional distribution volumesPartition coefficientsSuperior radiotracerBrain uptakeBrain kineticsOne-tissue compartment modelLimbic systemSERT imagingBrain regionsDistribution volumeEmission tomographyKinetic modelingNew radiotracersMeasurement of affinityPromising agent