作者
Tharick A Pascoal, Sulantha Mathotaarachchi, Monica Shin, Andrea L Benedet, Sara Mohades, Seqian Wang, Tom Beaudry, Min Su Kang, Jean-Paul Soucy, Aurelie Labbe, Serge Gauthier, Pedro Rosa-Neto, Alzheimer's Disease Neuroimaging Initiative
发表日期
2017/6/1
期刊
Alzheimer's & Dementia
卷号
13
期号
6
页码范围
644-653
出版商
No longer published by Elsevier
简介
Introduction
Recent literature proposes that amyloid β (Aβ) and phosphorylated tau (p-tau) synergism accelerates biomarker abnormalities in controls. Yet, it remains to be answered whether this synergism is the driving force behind Alzheimer disease (AD) dementia.
Methods
We stratified 314 mild cognitive impairment individuals using [18F]florbetapir positron emission tomography Aβ imaging and cerebrospinal fluid p-tau. Regression and voxel-based logistic regression models with interaction terms evaluated 2-year changes in cognition and clinical status as a function of baseline biomarkers.
Results
We found that the synergism between [18F]florbetapir and p-tau, rather than their additive effects, was associated with the cognitive decline and progression to AD. Furthermore, voxel-based analysis revealed that temporal and inferior parietal were the regions where the synergism determined an increased likelihood of …
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TA Pascoal, S Mathotaarachchi, M Shin, AL Benedet… - Alzheimer's & Dementia, 2017