2022
PET imaging studies to investigate functional expression of mGluR2 using [11C]mG2P001
Yuan G, Dhaynaut M, Guehl N, Neelamegam R, Moon S, Qu X, Poutiainen P, Afshar S, Fakhri G, Normandin M, Brownell A. PET imaging studies to investigate functional expression of mGluR2 using [11C]mG2P001. Cerebrovascular And Brain Metabolism Reviews 2022, 43: 296-308. PMID: 36172629, PMCID: PMC9903221, DOI: 10.1177/0271678x221130387.Peer-Reviewed Original ResearchConceptsPositive allosteric modulatorsPositron emission tomographyNon-human primatesMGluR2 positive allosteric modulatorPositron emission tomography imagingPositive allosteric modulator of mGluR2Metabotropic glutamate receptor 2Positron emission tomography imaging studiesExpression of mGluR2Glutamate receptor 2MGluR2 functionPsychiatric disordersMGluR2 expressionTissue glutamate concentrationMGluR2Expressing mGluR2Allosteric modulatorsRat brainTransfected CHO cellsReceptor 2Glutamate concentrationEmission tomographyImaging studiesPharmacological effectsImaging ligands
2020
Synthesis and Characterization of Fluorine-18-Labeled N‑(4-Chloro-3-((fluoromethyl‑d 2)thio)phenyl)picolinamide for Imaging of mGluR4 in Brain
Wang J, Qu X, Shoup T, Yuan G, Afshar S, Pan C, Zhu A, Choi J, Kang H, Poutiainen P, Fakhri G, Zhang Z, Brownell A. Synthesis and Characterization of Fluorine-18-Labeled N‑(4-Chloro-3-((fluoromethyl‑d 2)thio)phenyl)picolinamide for Imaging of mGluR4 in Brain. Journal Of Medicinal Chemistry 2020, 63: 3381-3389. PMID: 32081008, PMCID: PMC7261135, DOI: 10.1021/acs.jmedchem.0c00201.Peer-Reviewed Original ResearchConceptsDrug-like propertiesMethylthio analoguePotential ligandsMetabolic stabilityPositron emission tomographyRadiochemical yieldMolar activityDose-dependent blocking effectPositron emission tomography imaging studiesMethylthioPAM activityBrain regionsMale Sprague Dawley ratsLigandEx vivo biodistribution studiesRadiosynthesisSprague Dawley ratsBrainMGluR4SynthesisAnaloguesEmission tomographyImaging studies
2014
Synthesis of the dopamine D2/D3 receptor agonist (+)-PHNO via supercritical fluid chromatography: preliminary PET imaging study with [3-11C]-(+)PHNO
Shoup T, McCauley J, Lee D, Chen R, Normandin M, Bonab A, Fakhri G, Vasdev N. Synthesis of the dopamine D2/D3 receptor agonist (+)-PHNO via supercritical fluid chromatography: preliminary PET imaging study with [3-11C]-(+)PHNO. Tetrahedron Letters 2014, 55: 682-685. DOI: 10.1016/j.tetlet.2013.11.113.Peer-Reviewed Original ResearchPositron emission tomography imaging studiesSupercritical fluid chromatographyPositron emission tomographyFluid chromatographyImaging studiesAgonist radiopharmaceuticalsDopamine receptorsEnantiomeric resolutionDopamineCarbon-11Emission tomographyAdipose tissueBrown adipose tissueIn vivoBrown fatSynthesis