2024
Relationship between neuroimaging and cognition in frontotemporal dementia: An FDG‐PET and structural MRI study
Cayir S, Volpi T, Toyonaga T, Gallezot J, Yang Y, Sadabad F, Mulnix T, Mecca A, Fesharaki‐Zadeh A, Matuskey D. Relationship between neuroimaging and cognition in frontotemporal dementia: An FDG‐PET and structural MRI study. Journal Of Neuroimaging 2024, 34: 627-634. PMID: 38676301, PMCID: PMC11511789, DOI: 10.1111/jon.13206.Peer-Reviewed Original ResearchMoCA scoresFDG-PETAssociation of cognitionStandardized uptake value ratioMontreal Cognitive AssessmentSignificant positive associationFrontotemporal dementiaPrimary outcome measurePosterior cingulate cortexDecline of cognitive functionYears of ageGM volumeFrontal cortexOutcome measuresCognitive dysfunctionGray matterCognitive AssessmentMoCAAssociated with cognitive dysfunctionFluorodeoxyglucose (FDG)-PETPositive associationMagnetic resonance imagingPartial volume correctionCognitive functionDementia
2019
Effects of age, BMI and sex on the glial cell marker TSPO — a multicentre [11C]PBR28 HRRT PET study
Tuisku J, Plavén-Sigray P, Gaiser EC, Airas L, Al-Abdulrasul H, Brück A, Carson RE, Chen MK, Cosgrove KP, Ekblad L, Esterlis I, Farde L, Forsberg A, Halldin C, Helin S, Kosek E, Lekander M, Lindgren N, Marjamäki P, Rissanen E, Sucksdorff M, Varrone A, Collste K, Gallezot J, Hillmer A, Huang Y, Höglund C, Johansson J, Jucaite A, Lampa J, Nabulsi N, Pittman B, Sandiego C, Stenkrona P, Rinne J, Matuskey D, Cervenka S. Effects of age, BMI and sex on the glial cell marker TSPO — a multicentre [11C]PBR28 HRRT PET study. European Journal Of Nuclear Medicine And Molecular Imaging 2019, 46: 2329-2338. PMID: 31363804, PMCID: PMC6717599, DOI: 10.1007/s00259-019-04403-7.Peer-Reviewed Original ResearchConceptsBody mass indexPositron emission tomographyEffect of ageMultilinear analysis 1PET centersGlobal gray matterMass indexSubgroup analysisClinical studiesTSPO levelsHealthy subjectsTurku PET CentreHealthy volunteersPositive correlationTemporal cortexTSPO genotypeIndividual biological propertiesMale subjectsPurposeThe purposeConclusionThese findingsLinear mixed effects modelsGray matterParietal cortexSignificant negative correlationEmission tomography
2015
Test–retest reproducibility of the metabotropic glutamate receptor 5 ligand [18F]FPEB with bolus plus constant infusion in humans
Park E, Sullivan JM, Planeta B, Gallezot JD, Lim K, Lin SF, Ropchan J, McCarthy TJ, Ding YS, Morris ED, Williams WA, Huang Y, Carson RE. Test–retest reproducibility of the metabotropic glutamate receptor 5 ligand [18F]FPEB with bolus plus constant infusion in humans. European Journal Of Nuclear Medicine And Molecular Imaging 2015, 42: 1530-1541. PMID: 26044120, PMCID: PMC5467218, DOI: 10.1007/s00259-015-3094-6.Peer-Reviewed Original ResearchConceptsVolume of distributionAbsolute test-retest variabilityCerebellar white matterTest-retest reproducibilityMetabotropic glutamate receptor 5Venous blood measurementsGlutamate receptor 5Healthy male subjectsPromising PET radioligandArterial blood concentrationPET imaging tracerTest-retest variabilityTwo-tissue compartment modelRegional BPNDVenous bloodBlood concentrationsArterial bloodReceptor 5Constant infusionMale subjectsWhite matterBlood measurementsGray matterNeuropsychiatric diseasesPET radioligand11C-PBR28 imaging in multiple sclerosis patients and healthy controls: test-retest reproducibility and focal visualization of active white matter areas
Park E, Gallezot JD, Delgadillo A, Liu S, Planeta B, Lin SF, O’Connor K, Lim K, Lee JY, Chastre A, Chen MK, Seneca N, Leppert D, Huang Y, Carson RE, Pelletier D. 11C-PBR28 imaging in multiple sclerosis patients and healthy controls: test-retest reproducibility and focal visualization of active white matter areas. European Journal Of Nuclear Medicine And Molecular Imaging 2015, 42: 1081-1092. PMID: 25833352, DOI: 10.1007/s00259-015-3043-4.Peer-Reviewed Original ResearchConceptsNormal-appearing white matterVolume of distributionTest-retest variabilityWhole brain white matterHealthy controlsMicroglial activationTest-retest reproducibilityGray matterMultiple sclerosisMS subjectsWhite matterWhole brain gray matterGood test-retest reproducibilityAbsolute test-retest variabilityActive MS patientsPositron emission tomography (PET) ligandMultiple sclerosis patientsMain outcome measuresWhite matter areasMS WM lesionsBrain gray matterDemyelinating injuryTest-retest resultsVT valuesMS patients
2012
Age Effects on Serotonin Receptor 1B as Assessed by PET
Matuskey D, Pittman B, Planeta-Wilson B, Walderhaug E, Henry S, Gallezot JD, Nabulsi N, Ding YS, Bhagwagar Z, Malison R, Carson RE, Neumeister A. Age Effects on Serotonin Receptor 1B as Assessed by PET. Journal Of Nuclear Medicine 2012, 53: 1411-1414. PMID: 22851636, PMCID: PMC3690814, DOI: 10.2967/jnumed.112.103598.Peer-Reviewed Original ResearchConceptsMultilinear reference tissue modelGray matter atrophyReceptor 1BAge-related gray matter atrophyIndividual cortical regionsSerotonin receptor 1BPrevious imaging studiesSerotonin measuresReference tissue modelAge-related declineMatter atrophyHealthy subjectsHealthy adultsGray matterImaging studiesCortical regionsPET imagingSubject underwentMultiple comparisonsCortexNegative associationAge effectsAgeAtrophyPutamen