Dissociation of tau pathology and neuronal hypometabolism within the ATN framework of Alzheimer’s disease
Tau Pathology
DOI:
10.1038/s41467-022-28941-1
Publication Date:
2022-03-21T11:03:30Z
AUTHORS (292)
ABSTRACT
Abstract Alzheimer’s disease (AD) is defined by amyloid (A) and tau (T) pathologies, with T better correlated to neurodegeneration (N). However, N have complex regional relationships in part related non-AD factors that influence N. With machine learning, we assessed heterogeneity 18 F-flortaucipir vs. F-fluorodeoxyglucose positron emission tomography as markers of neuronal hypometabolism (N M ) 289 symptomatic patients from the Disease Neuroimaging Initiative. We identified six T/N clusters differing limbic cortical patterns. The canonical group was pattern lowest regression residuals. Groups resilient had less than expected relative displayed cognition group. susceptible more given exhibited worse cognitive decline, imaging clinical measures concordant copathologies. Together, mismatch reveals distinct signatures pathobiological prognostic implications for AD.
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