Blood-based multimodal biomarker models for differentiating early-onset Alzheimer’s disease from frontotemporal dementia: a longitudinal study of early-onset dementia and family members (LEAF) study
Plasma p-tau217 and p-tau181 are effective biomarkers for distinguishing biologically defined EOAD from EOFTD and adding NfL, GFAP, and APOE ε4 status further improves the discriminative accuracy for differentiating EOAD from EOFTD.
P-tau217, NfL and GFAP showed strong associations with AD risk, especially within the first 9 years of follow-up, outperforming p-tau181, and over the later years of follow-up, the predictive accuracy of p-tau217 was significantly reduced.
K. Trares, D. Duman, L. Beyer et al.· EMBO Molecular Medicine· 0 citations
A sequential model of biomarker changes across the Alzheimer’s disease neuropathological continuum is supported, with CSF Aβ42/Aβ40 best reflects low/intermediate Aβ burden, while CSF p-tau markers are more closely related to high Aβ and intermediate tau load.
A. Mastrangelo, Simone Baiardi, Edoardo Ruggeri et al.· Acta Neuropathologica· 0 citations
OBJECTIVE
Recent studies suggest that combining plasma phosphorylated tau (p-tau) with β-amyloid (Aβ) may improve diagnosis accuracy for Alzheimer's disease (AD). However, the cross-sectional and longitudinal concordance of these markers with Aβ positron emission tomography (PET) positivity remains incompletely underst...
Mingxing Jiang, Guo-Yu Lan, Jiayi Zhu et al.· Annals of Neurology· 0 citations
In a community-based sample, BD-p-tau217 emerged as the plasma biomarker most strongly associated with brain A{beta} deposition, although this association may be attenuated in the presence of moderate/severe kidney dysfunction or kidney failure.
Muge Akinci, Froogh Aziz, D. Guzman et al.· medRxiv· 0 citations
A stratified approach based on amyloid status is essential for the optimal application of blood-based biomarkers in monitoring disease progression and evaluating therapeutic efficacy in future clinical trials and precision medicine.
Keun You Kim, Hyunsun Ham, E. Yoon et al.· The journal of prevention of...· 0 citations
Increased serum p-tau217 and decreased ApoE levels were significantly associated with greater AD severity, suggesting that both biomarkers may serve as complementary noninvasive indicators of disease severity in Alzheimer’s disease.
Ahmed Kadom Kalaf, Khawla A. Shemran, Waleed Azeez AlAmeedy· International Journal of Nut...· 0 citations
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