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S. A. Hosseini

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Open access Aug 2026

Predicting continuous amyloid PET levels with CSF and plasma brain‐derived p‐tau217

Staging amyloid beta (Aβ) burden along a continuous spectrum provides clinically relevant information. Conventional phosphorylated tau (p‐tau)217 reliably identifies amyloid positron emission tomography (PET) positivity, but its ability to capture the full Aβ continuum is limited. Recently developed brain‐derived (BD)...

Lydia Trudel, J. Therriault, Arthur C. Macedo et al. · 0 citations
Open access Aug 2026

Differential associations of tau extent and load with brain metabolic and cognitive dysfunction in Alzheimer's disease

Summary Background Reduced [18F]Fluorodeoxyglucose ([18F]FDG)-PET uptake is a core imaging feature of Alzheimer's disease (AD). While tau load correlates with this metabolic signature, it remains unclear whether the spatial extent of tauopathy (SEOT) more accurately explains brain glucose hypometabolic patterns. Here,...

Arthur C. Macedo, Lydia Trudel, S. A. Hosseini et al. · 1 citation

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