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Candidate Blood Proteome Markers of Alzheimer's Disease Onset and Progression: A Systematic Review and Replication Study

Open access
Kiddle, Steven J., Sattlecker, Martina, Proitsi, Petroula, Simmons, Andrew, Westman, Eric, Bazenet, Chantal, Nelson, Sally K., Williams, Stephen, Hodges, Angela, Johnston, Caroline, Soininen, Hilkka, Kłoszewska, Iwona, Mecocci, Patrizia, Tsolaki, Magda, Vellas, Bruno, Newhouse, Stephen, Lovestone, Simon, Dobson, Richard J. B.·2013·Journal of Alzheimer's Disease

Abstract

A blood-based protein biomarker, or set of protein biomarkers, that could predict onset and progression of Alzheimer's disease (AD) would have great utility; potentially clinically, but also for clinical trials and especially in the selection of subjects for preventative trials. We reviewed a comprehensive list of 21 published discovery or panel-based (> 100 proteins) blood proteomics studies of AD, which had identified a total of 163 candidate biomarkers. Few putative blood-based protein biomarkers replicate in independent studies but we found that some proteins do appear in multiple studies; for example, four candidate biomarkers are found to associate with AD-related phenotypes in five independent research cohorts in these 21 studies: α-1-antitrypsin, α-2-macroglobulin, apolipoprotein E, and complement C3. Using SomaLogic's SOMAscan proteomics technology, we were able to conduct a large-scale replication study for 94 of the 163 candidate biomarkers from these 21 published studies in plasma samples from 677 subjects from the AddNeuroMed (ANM) and the Alzheimer's Research UK/Maudsley BRC Dementia Case Registry at King's Health Partners (ARUK/DCR) research cohorts. Nine of the 94 previously reported candidates were found to associate with AD-related phenotypes (False Discovery Rate (FDR) q-value < 0.1). These proteins show sufficient replication to be considered for further investigation as a biomarker set. Overall, we show that there are some signs of a replicable signal in the range of proteins identified in previous studies and we are able to further replicate some of these. This suggests that AD pathology does affect the blood proteome with some consistency.

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Metadata

Authors
Kiddle, S. J., Sattlecker, M., Proitsi, P., Simmons, A., Westman, E., Bazenet, C., Nelson, S. K., Williams, S., Hodges, A., Johnston, C., Soininen, H., Kłoszewska, I., Mecocci, P., Tsolaki, M., Vellas, B., Newhouse, S., Lovestone, S., & Dobson, R. J. B.
Venue
Journal of Alzheimer's Disease
Published
2013-11-25
Volume
38
Issue
3
Pages
515-531
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W1507990444
Cited by
189
References
8
FWCI
3.20
Type
journal article
Language
en
Open access
hybrid

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The paper
Kiddle, S. J., Sattlecker, M., Proitsi, P., Simmons, A., Westman, E., Bazenet, C., Nelson, S. K., Williams, S., Hodges, A., Johnston, C., Soininen, H., Kłoszewska, I., Mecocci, P., Tsolaki, M., Vellas, B., Newhouse, S., Lovestone, S., & Dobson, R. J. B. (2013). Candidate Blood Proteome Markers of Alzheimer's Disease Onset and Progression: A Systematic Review and Replication Study. Journal of Alzheimer's Disease. https://doi.org/10.3233/jad-130380

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.