2023
Evaluation of trans- and cis-4‑[18F]Fluorogabapentin for Brain PET Imaging
Zhou Y, Normandin M, Belov V, Macdonald-Soccorso M, Moon S, Sun Y, Fakhri G, Guehl N, Brugarolas P. Evaluation of trans- and cis-4‑[18F]Fluorogabapentin for Brain PET Imaging. ACS Chemical Neuroscience 2023, 14: 4208-4215. PMID: 37947793, PMCID: PMC11485007, DOI: 10.1021/acschemneuro.3c00593.Peer-Reviewed Original ResearchConceptsNeuropathic painRodent models of neuropathic painSubunit of voltage-dependent calcium channelsModel of neuropathic painTreatment of neuropathic painMetabolite-corrected arterial input functionVoltage-dependent calcium channelsMultilinear analysis 1Brain uptakePET imagingDose of gabapentinOne-tissue compartment modelRegional time-activity curvesAdult rhesus macaquesPlasma protein bindingTime-activity curvesModerate brain uptakeCalcium channelsInjured nerveArterial input functionGabapentinRodent modelsAnticonvulsant medicationBrain PET imagingRhesus macaques
2022
Radiochemical Synthesis and Evaluation of 3‑[11C]Methyl-4-aminopyridine in Rodents and Nonhuman Primates for Imaging Potassium Channels in the CNS
Sun Y, Guehl N, Zhou Y, Takahashi K, Belov V, Dhaynaut M, Moon S, Fakhri G, Normandin M, Brugarolas P. Radiochemical Synthesis and Evaluation of 3‑[11C]Methyl-4-aminopyridine in Rodents and Nonhuman Primates for Imaging Potassium Channels in the CNS. ACS Chemical Neuroscience 2022, 13: 3342-3351. PMID: 36417797, PMCID: PMC9732819, DOI: 10.1021/acschemneuro.2c00364.Peer-Reviewed Original ResearchConceptsRegional brain time-activity curvesBrain time-activity curvesOne-tissue compartment modelBlood-brain barrierConsistent with <i>inNonhuman primatesTime-activity curvesPositron emission tomographySpinal cord injuryDemyelinated neuronsNeurological symptomsPotassium channelsNeuronal conductionBrain uptakeEmission tomographyStille cross-couplingMultiple sclerosisCord injurySlow kineticsBrain permeabilityTraumatic brainMyelin sheathStronger binding affinityNeuronsBrain
2018
MR-based motion correction for cardiac PET parametric imaging: a simulation study
Guo R, Petibon Y, Ma Y, El Fakhri G, Ying K, Ouyang J. MR-based motion correction for cardiac PET parametric imaging: a simulation study. EJNMMI Physics 2018, 5: 3. PMID: 29388075, PMCID: PMC5792384, DOI: 10.1186/s40658-017-0200-9.Peer-Reviewed Original ResearchNon-motion-correctedPositron emission tomography-magnetic resonanceMR-based motion correctionRespiratory motionMotion correctionActivity distributionMotion correction methodRespiratory gatingPET sinogramsNoise levelCardiac gatingMRI simulationOne-tissue compartment modelNoise realizationsMC methodPET dataCardiac motionReduce motion blurParametric imagesIncreased noise levelConclusionsThis simulation studyArterial input functionPET imagingGateMyocardial regions