Examining the effects of age and sex on tau PET binding in the absence of beta‐amyloid pathology
Gordon B, Flores S, Dincer A, Keefe S, McKay N, Hobbs D, Wisch J, Hornbeck R, Franklin E, Jack C, Koeppe R, Xiong C, McDade E, van Dyck C, Klein G, Pariente J, Bateman R, Morris J, Perrin R, Benzinger T. Examining the effects of age and sex on tau PET binding in the absence of beta‐amyloid pathology. Alzheimer's & Dementia 2022, 18 DOI: 10.1002/alz.063285.Peer-Reviewed Original ResearchPrimary age-related tauopathyTau-PET bindingTau-PETTemporal gyrusPET bindingBeta-amyloid pathologyAge-related tauopathyRostral middle frontal gyrusSubthreshold levelsElevated tracer uptakeTau PET imagingTau bindingInferior temporal gyrusInferior temporal cortexMiddle frontal gyrusSuperior temporal gyrusEffect of ageAlzheimer pathologyAmyloid pathologySignificant positive associationLateral parietalTemporal cortexTracer uptakeAlzheimer's diseaseSecondary analysisExamining the effects of sex and age on tau PET binding in the absence of beta‐amyloid pathology
Gordon B, Flores S, Dincer A, Keefe S, McKay N, Hobbs D, Wisch J, Hornbeck R, Franklin E, Jack C, Koeppe R, Xiong C, van Dyck C, McDade E, Klein G, Pariente J, Bateman R, Morris J, Ances B, Benzinger T, Perrin R. Examining the effects of sex and age on tau PET binding in the absence of beta‐amyloid pathology. Alzheimer's & Dementia 2022, 18 DOI: 10.1002/alz.061090.Peer-Reviewed Original ResearchPrimary age-related tauopathyTau-PET bindingTau-PETTemporal gyrusPET bindingBeta-amyloid pathologyAge-related tauopathyRostral middle frontal gyrusElevated tracer uptakeSub-threshold levelsTau PET imagingTau bindingInferior temporal gyrusInferior temporal cortexMiddle frontal gyrusSuperior temporal gyrusAlzheimer pathologyAmyloid pathologySignificant positive associationSynaptic density and cognitive performance in Alzheimer's disease: A PET imaging study with [11C]UCB‐J
Mecca AP, O'Dell RS, Sharp ES, Banks ER, Bartlett HH, Zhao W, Lipior S, Diepenbrock NG, Chen M, Naganawa M, Toyonaga T, Nabulsi NB, Vander Wyk B, Arnsten AFT, Huang Y, Carson RE, van Dyck C. Synaptic density and cognitive performance in Alzheimer's disease: A PET imaging study with [11C]UCB‐J. Alzheimer's & Dementia 2022, 18: 2527-2536. PMID: 35174954, PMCID: PMC9381645, DOI: 10.1002/alz.12582.Peer-Reviewed Original ResearchConceptsSynaptic densityEarly Alzheimer's diseaseAlzheimer's diseaseCognitive performanceMajor pathological correlateGray matter volumePositron emission tomography (PET) imagingEmission Tomography ImagingPET imaging studiesIndividual cognitive domainsNeuropathologic studiesSignificant positive associationSynapse lossSynaptic alterationsPathological correlatesNeuropsychological test performanceMatter volumeCognitive impairmentSignificant associationImaging studiesDiseaseTomography imagingGlobal cognitionStrongest predictorPositive association