2024
PET mapping of receptor occupancy using joint direct parametric reconstruction
Marin T, Belov V, Chemli Y, Ouyang J, Najmaoui Y, Fakhri G, Duvvuri S, Iredale P, Guehl N, Normandin M, Petibon Y. PET mapping of receptor occupancy using joint direct parametric reconstruction. IEEE Transactions On Biomedical Engineering 2024, PP: 1-15. PMID: 39446540, DOI: 10.1109/tbme.2024.3486191.Peer-Reviewed Original ResearchCentral nervous systemReceptor occupancyLow-binding regionsPET scansSimulation resultsPreclinical in vivo experimentsDynamic PET scansPairs of baselineEstimation of receptor occupancyEstimation frameworkPET neuroimagingReconstruction frameworkModulating drugsTime activity curvesParametric reconstructionDevelopment of drugs
2020
Joint Direct Parametric Reconstruction for Pet Receptor Occupancy Mapping
Marin T, Ouyang J, Fakhri G, Normandin M, Petibon Y. Joint Direct Parametric Reconstruction for Pet Receptor Occupancy Mapping. 2020, 00: 1-4. DOI: 10.1109/nss/mic42677.2020.9507742.Peer-Reviewed Original ResearchCentral nervous systemPositron emission tomographyVariable splitting techniqueReceptor occupancyBayesian reconstruction frameworkDenoising problemDose-occupancy relationshipReconstruction frameworkCentral nervous system drugsDevelopment of central nervous systemEstimation of receptor occupancyOptimization problemDrug brain penetrationLow precisionMeasure occupancyDrug AdministrationBrain penetrationRadiation exposureSplitting techniqueEmission tomographyDynamic dataTracer bindingNervous systemConventional approachesTarget engagement
2019
Novel radioligands for imaging sigma-1 receptor in brain using positron emission tomography (PET)
Lan Y, Bai P, Chen Z, Neelamegam R, Placzek M, Wang H, Fiedler S, Yang J, Yuan G, Qu X, Schmidt H, Song J, Normandin M, Ran C, Wang C. Novel radioligands for imaging sigma-1 receptor in brain using positron emission tomography (PET). Acta Pharmaceutica Sinica B 2019, 9: 1204-1215. PMID: 31867166, PMCID: PMC6900558, DOI: 10.1016/j.apsb.2019.07.002.Peer-Reviewed Original ResearchPositron emission tomographySigma-1 receptorCentral nervous systemPET/CT imagingEmission tomographyOrgans of micePositron emission tomography tracersNeuropsychiatric disordersNon-invasive quantificationBrain regionsNoninvasive toolSigma-1RadioligandDisease pathophysiologyNervous systemNovel radioligandMiceMouse brainPathological conditionsBrainReceptorsTomographyIntracellular proteinsTarget validationPET/CT