Vulnerability of positron emission tomography radiotracers to endogenous competition. New insights.
Laruelle M, Huang Y. Vulnerability of positron emission tomography radiotracers to endogenous competition. New insights. Quarterly Journal Of Nuclear Medicine And Molecular Imaging 2001, 45: 124-38. PMID: 11476162.Peer-Reviewed Original ResearchConceptsTransmitter levelsSynaptic dopamine concentrationsPositron emission tomographyDA transmissionD2 receptorsNeurotransmitter systemsPharmacological challengeDevelopment of PETSynaptic transmitter levelsEmission tomographyDopamine concentrationsAcute fluctuationsReceptor traffickingHuman brainRadioligandImaging techniquesVivoEndogenous competitionPETBinding competitionNeurotransmittersBrainReceptorsAnalyses of [18F]altanserin bolus injection PET data. I: Consideration of radiolabeled metabolites in baboons
Price J, Lopresti B, Mason N, Holt D, Huang Y, Mathis C. Analyses of [18F]altanserin bolus injection PET data. I: Consideration of radiolabeled metabolites in baboons. Synapse 2001, 41: 1-10. PMID: 11354008, DOI: 10.1002/syn.1054.Peer-Reviewed Original ResearchConceptsBolus injectionMajor radiometabolitePositron emission tomographySerotonin 2A receptor bindingBlood-brain barrier passageReceptor-rich regionsKetanserin administrationNonspecific radioactivityReceptor blockadeInput function methodEmission tomographyPET studiesPET dataReceptor bindingRadiometabolitesVivo kineticsInjectionBBBTissue componentsHuman brainBaboonsMetabolitesRadioactivityBlockadeAntagonist