NT1-Tau Is Increased in CSF and Plasma of CJD Patients, and Correlates with Disease Progression.
NT1-Tau Is Increased in CSF and Plasma of CJD Patients, and Correlates with Disease Progression.
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DOI:
10.3390/cells10123514
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发表时间:
2021-12-13
期刊:
影响因子:
6
通讯作者:
Walsh DM
中科院分区:
文献类型:
--
作者:
Mengel D;Mok TH;Nihat A;Liu W;Rissman RA;Galasko D;Zetterberg H;Mead S;Collinge J;Walsh DM
This study investigates the diagnostic and prognostic potential of different forms of tau in biofluids from patients with Creutzfeldt-Jakob disease (CJD). Extracellular tau, which is molecularly heterogeneous, was measured using ultra-sensitive custom-made Simoa assays for N-terminal (NT1), mid-region, and full-length tau. We assessed cross-sectional CSF and plasma from healthy controls, patients with Alzheimer’s disease (AD) and CJD patients. Then, we evaluated the correlation of the best-performing tau assay (NT1-tau) with clinical severity and functional decline (using the MRC Prion Disease Rating Scale) in a longitudinal CJD cohort (n = 145). In a cross-sectional study, tau measured in CSF with the NT1 and mid-region Simoa assays, separated CJD (n = 15) from AD (n = 18) and controls (n = 21) with a diagnostic accuracy (AUCs: 0.98–1.00) comparable to or better than neurofilament light chain (NfL; AUCs: 0.96–0.99). In plasma, NT1-measured tau was elevated in CJD (n = 5) versus AD (n = 15) and controls (n = 15). Moreover, in CJD plasma (n = 145) NT1-tau levels correlated with stage and rate of disease progression, and the effect on clinical progression was modified by the PRNP codon 129. Our findings suggest that plasma NT1-tau shows promise as a minimally invasive diagnostic and prognostic biomarker of CJD, and should be further investigated for its potential to monitor disease progression and response to therapies.
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DOI:
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发表时间:
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期刊:
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影响因子:
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DOI:
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发表时间:
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期刊:
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影响因子:
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