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- W4294057175 abstract "Abstract Alzheimer’s disease (AD) is a major risk for the aging population. The pathological hallmarks of AD—an abnormal deposition of amyloid β-protein (Aβ) and phosphorylated tau (pTau)—have been demonstrated in the retinas of AD patients, including in prodromal patients with mild cognitive impairment (MCI). Aβ pathology, especially the accumulation of the amyloidogenic 42-residue long alloform (Aβ42), is considered an early and specific sign of AD, and together with tauopathy, confirms AD diagnosis. To visualize retinal Aβ and pTau, state-of-the-art methods use fluorescence. However, administering contrast agents complicates the imaging procedure. To address this problem from fundamentals, ex-vivo studies were performed to develop a label-free hyperspectral imaging method to detect the spectral signatures of Aβ42 and pS396-Tau, and predicted their abundance in retinal cross-sections. For the first time, we reported the spectral signature of pTau and demonstrated an accurate prediction of Aβ and pTau distribution powered by deep learning. We expect our finding will lay the groundwork for label-free detection of AD." @default.
- W4294057175 created "2022-09-01" @default.
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- W4294057175 date "2022-08-19" @default.
- W4294057175 modified "2023-10-14" @default.
- W4294057175 title "Label-free hyperspectral imaging and deep-learning prediction of retinal amyloid β-protein and phosphorylated tau" @default.
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- W4294057175 doi "https://doi.org/10.1093/pnasnexus/pgac164" @default.
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