2024
Clinical correlates of dopamine transporter availability in cross-sectional and longitudinal studies with [18F]FE-PE2I PET: independent validation with new insights
Honhar P, Sadabad F, Tinaz S, Gallezot J, Dias M, Naganawa M, Yang Y, Henry S, Hillmer A, Gao H, Najafzadeh S, Comley R, Nabulsi N, Huang Y, Finnema S, Carson R, Matuskey D. Clinical correlates of dopamine transporter availability in cross-sectional and longitudinal studies with [18F]FE-PE2I PET: independent validation with new insights. Brain Communications 2024, 6: fcae345. PMID: 39429243, PMCID: PMC11487911, DOI: 10.1093/braincomms/fcae345.Peer-Reviewed Original ResearchDAT availabilityMotor severitySubstantia nigraDopamine transporter availabilityClinical trials of Parkinson's diseaseParkinson's diseaseLongitudinal studyTracking longitudinal changesClinical correlatesVentral striatumTransporter availabilityNigrostriatal regionParkinson's disease patientsPutamenMotor severity scoresAssociated with increasesSubstantiaDATLongitudinal changesTremor scoreNegative associationNigraSubstantia nigra of Parkinson's disease patientsTremor severityPET biomarkers
2023
Relationships of in vivo brain norepinephrine transporter and age, BMI, and gender
Koohsari S, Sadabad F, Pittman B, Gallezot J, Carson R, van Dyck C, Li C, Potenza M, Matuskey D. Relationships of in vivo brain norepinephrine transporter and age, BMI, and gender. Synapse 2023, 77: e22279. PMID: 37382240, PMCID: PMC10416616, DOI: 10.1002/syn.22279.Peer-Reviewed Original ResearchConceptsBody mass indexMultilinear reference tissue model 2Gender-related differencesBrain norepinephrine transportersNorepinephrine transporterAge-related declineStructural MR scansBrain regionsReference tissue model 2Mass indexRaphe nucleusLocus coeruleusOccipital cortexBMI relationshipHealthy adultsHigh-resolution research tomographAvailable radiotracersHealthy participantsMR scansAgeAnatomic templateReference regionNegative associationNet availabilityPotential age