2024
Exploration of (R)-[11C]YH168 as a PET tracer for imaging monoacylglycerol lipase in the brain: from mice to non-human primates
He Y, Zheng M, Gu J, Reichert L, Trimborn J, Zhang H, Keller C, Crosby M, Collin L, Heer D, Pavlovic A, Topp A, Wittwer M, Grether U, Gobbi L, Schibli R, Huang Y, Mu L. Exploration of (R)-[11C]YH168 as a PET tracer for imaging monoacylglycerol lipase in the brain: from mice to non-human primates. European Journal Of Nuclear Medicine And Molecular Imaging 2024, 1-10. PMID: 39673602, DOI: 10.1007/s00259-024-07013-0.Peer-Reviewed Original ResearchMonoacylglycerol lipaseNon-human primatesIn vitro autoradiographyBrain regionsMice to non-human primatesMAGL knockoutNon-displaceable binding potentialRhesus monkeysNon-human primate brainRegional non-displaceable binding potentialsRegional time-activity curvesMouse brainCingulate cortexFrontal cortexEndocannabinoid systemLevels of radioactive uptakeMouse brain slicesOccipital cortexBrains of miceOne-tissue compartment modelBinding potentialMAGL expressionPET scansKnockout micePrimate brain
2023
Evaluation of a First PET Tracer Suitable for Imaging the Sigma‑2 Receptor in the Brain of Nonhuman Primates
Alluri S, Zheng M, Holden D, Zhang Y, Zhang L, Felchner Z, Li S, Ropchan J, Carson R, Jia H, Huang Y. Evaluation of a First PET Tracer Suitable for Imaging the Sigma‑2 Receptor in the Brain of Nonhuman Primates. Molecular Pharmaceutics 2023, 21: 194-200. PMID: 38013422, DOI: 10.1021/acs.molpharmaceut.3c00750.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseLimited brain uptakeNonhuman primate brainCentral nervous systemPotential therapeutic targetPositron emission tomography (PET) imagingEmission Tomography ImagingTransmembrane protein 97Sigma-2 receptorsFirst PET tracerBrain penetrantBrain uptakeTherapeutic targetNervous systemPrimate brainNeurological disordersPET tracersNonhuman primatesTomography imagingProtein 97CancerDiseaseBrainCell typesReceptors
2022
Drug characteristics derived from kinetic modeling: combined 11C-UCB-J human PET imaging with levetiracetam and brivaracetam occupancy of SV2A
Naganawa M, Gallezot J, Finnema S, Maguire R, Mercier J, Nabulsi N, Kervyn S, Henry S, Nicolas J, Huang Y, Chen M, Hannestad J, Klitgaard H, Stockis A, Carson R. Drug characteristics derived from kinetic modeling: combined 11C-UCB-J human PET imaging with levetiracetam and brivaracetam occupancy of SV2A. EJNMMI Research 2022, 12: 71. PMID: 36346513, PMCID: PMC9643320, DOI: 10.1186/s13550-022-00944-5.Peer-Reviewed Original ResearchTime-activity curvesBrain entryDrug concentrationsNon-human primate brainAnti-seizure activitySynaptic vesicle glycoprotein 2APlasma drug concentrationsPrevious human studiesBackgroundAntiepileptic drugsHealthy subjectsBlood samplesHuman studiesLevetiracetamPrimate brainEmission tomography dataBrivaracetamDistribution volumeArterial input functionBrainDrug characteristicsPositron emission tomography dataDrug entryFree fractionDrugsKinetic parameters k1