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| Hauptseite > Publikationsdatenbank > Blood-based quantification of Aβ oligomers indicates impaired clearance from brain in ApoE ε4 positive subjects > print |
| Hauptseite > Publikationsdatenbank > Blood-based quantification of Aβ oligomers indicates impaired clearance from brain in ApoE ε4 positive subjects > print |
| 001 | 1035148 | ||
| 005 | 20250226202209.0 | ||
| 024 | 7 | _ | |a 10.1038/s43856-024-00690-w |2 doi |
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| 037 | _ | _ | |a FZJ-2025-00235 |
| 100 | 1 | _ | |a Blömeke, Lara |0 P:(DE-Juel1)177730 |b 0 |
| 245 | _ | _ | |a Blood-based quantification of Aβ oligomers indicates impaired clearance from brain in ApoE ε4 positive subjects |
| 260 | _ | _ | |a [London] |c 2024 |b Springer Nature |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Background: Quantification of Amyloid beta (Aβ) oligomers in plasma enables early diagnosis of Alzheimer's Disease (AD) and improves our understanding of underlying pathologies. However, quantification necessitates an extremely sensitive and selective technology because of very low Aβ oligomer concentrations and possible interference from matrix components.Methods: In this report, we developed and validated a surface-based fluorescence distribution analysis (sFIDA) assay for quantification of Aβ oligomers in plasma.Results: The blood-based sFIDA assay delivers a sensitivity of 1.8 fM, an inter- and intra-assay variation below 20% for oligomer calibration standards and no interference with matrix components. Quantification of Aβ oligomers in 359 plasma samples from the DELCODE cohort reveals lower oligomer concentrations in subjective cognitive decline and AD patients than healthy Control participants.Conclusions: Correlation analysis between CSF and plasma oligomer concentrations indicates an impaired clearance of Aβ oligomers that is dependent on the ApoE ε4 status. |
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| 773 | _ | _ | |a 10.1038/s43856-024-00690-w |g Vol. 4, no. 1, p. 262 |0 PERI:(DE-600)3096949-9 |n 1 |p 262 |t Communications medicine |v 4 |y 2024 |x 2730-664X |
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