2020
First-in-Human Assessment of 11C-LSN3172176, an M1 Muscarinic Acetylcholine Receptor PET Radiotracer
Naganawa M, Nabulsi N, Henry S, Matuskey D, Lin SF, Slieker L, Schwarz AJ, Kant N, Jesudason C, Ruley K, Navarro A, Gao H, Ropchan J, Labaree D, Carson RE, Huang Y. First-in-Human Assessment of 11C-LSN3172176, an M1 Muscarinic Acetylcholine Receptor PET Radiotracer. Journal Of Nuclear Medicine 2020, 62: 553-560. PMID: 32859711, PMCID: PMC8049371, DOI: 10.2967/jnumed.120.246967.Peer-Reviewed Original ResearchConceptsSimplified reference tissue modelM1 receptorsHealthy subjectsMuscarinic acetylcholine receptor subtype M1Distribution volumePET radiotracersAbsolute test-retest variabilityExcellent test-retest reproducibilityReference tissue model 2Total distribution volumeSuitable reference regionTest-retest reproducibilityTest-retest variabilityReference regionTest-retest protocolNondisplaceable distribution volumeReference tissue modelTest-retest studySubtypes M1Preclinical studiesRegional time-activity curvesAcetylcholine concentrationHuman studiesReceptor occupancyTime-activity curves
2013
Decreased norepinephrine transporter availability in obesity: Positron Emission Tomography imaging with (S,S)-[11C]O-methylreboxetine
Li CS, Potenza MN, Lee DE, Planeta B, Gallezot JD, Labaree D, Henry S, Nabulsi N, Sinha R, Ding YS, Carson RE, Neumeister A. Decreased norepinephrine transporter availability in obesity: Positron Emission Tomography imaging with (S,S)-[11C]O-methylreboxetine. NeuroImage 2013, 86: 306-310. PMID: 24121204, PMCID: PMC3947246, DOI: 10.1016/j.neuroimage.2013.10.004.Peer-Reviewed Original ResearchConceptsBody mass indexMultilinear reference tissue model 2Norepinephrine transporterNoradrenergic dysfunctionObese individualsLean individualsStructural MR scansBPND valuesNorepinephrine transporter availabilityReference tissue model 2Positron emission tomography (PET) imagingEmission Tomography ImagingPositron emission tomographyBrain norepinephrine transportersNE clearanceMass indexRaphe nucleusLocus coeruleusSynaptic availabilityObese peopleTransporter availabilityOccipital cortexComparison subjectsHealthy individualsObesity