Cited by 224Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration Mechanisms

Alzheimer's disease biomarker discovery using SOMAscan multiplexed protein technology

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Sattlecker, Martina, Kiddle, Steven J., Newhouse, Stephen, Proitsi, Petroula, Nelson, Sally, Williams, Stephen, Johnston, Caroline, Killick, Richard +11 more·2014·Alzheimer's & Dementia

Abstract

Blood proteins and their complexes have become the focus of a great deal of interest in the context of their potential as biomarkers of Alzheimer's disease (AD). We used a SOMAscan assay for quantifying 1001 proteins in blood samples from 331 AD, 211 controls, and 149 mild cognitive impaired (MCI) subjects. The strongest associations of protein levels with AD outcomes were prostate‐specific antigen complexed to α1‐antichymotrypsin (AD diagnosis), pancreatic prohormone (AD diagnosis, left entorhinal cortex atrophy, and left hippocampus atrophy), clusterin (rate of cognitive decline), and fetuin B (left entorhinal atrophy). Multivariate analysis found that a subset of 13 proteins predicted AD with an accuracy of area under the curve of 0.70. Our replication of previous findings provides further evidence that levels of these proteins in plasma are truly associated with AD. The newly identified proteins could be potential biomarkers and are worthy of further investigation.

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Crossref · 10.1016/j.jalz.2013.09.016

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  • Novel and highly sensitive high-throughput protein arrays, such as aptamer-based technologies, immunobased proximity extension assays, or antibody suspension beads arrays, can readily measure large sets of protein libraries in CSF and blood samples.

    “novel and highly sensitive high‐throughput protein arrays, such as aptamer‐based technologies, immunobased proximity extension assays, or antibody suspension beads arrays, which can readily measure large sets of protein libraries in CSF and blood samples. 132 , 133 , 134 , 135 , 136 , 137 , 138”
  • The coverage of proteins on the platform has taken into account proteins known to be relevant to human disease, including neurodegenerative diseases and cardiovascular diseases.

    “The coverage of proteins on the platform has taken into account proteins known to be relevant to human disease, including neurodegenerative diseases55 and cardiovascular diseases56; thus it has been widely used for biomarker discovery.”

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Authors
Sattlecker, M., Kiddle, S. J., Newhouse, S., Proitsi, P., Nelson, S., Williams, S., Johnston, C., Killick, R., Simmons, A., Westman, E., Hodges, A., Soininen, H., Kłoszewska, I., Mecocci, P., Tsolaki, M., Vellas, B., Lovestone, S., AddNeuroMed Consortium, & Dobson, R. J. B.
Affiliations
  • King's College London (GB)
  • SomaLogic (United States) (US)
  • University of Eastern Finland (FI)
  • Medical University of Lodz (PL)
  • University of Perugia (IT)
  • Aristotle University of Thessaloniki (GR)
  • Inserm (FR)
Corresponding author
Dobson, Richard J.B.
Venue
Alzheimer's & Dementia
Publisher
Wiley
Published
2014-04-28
Volume
10
Issue
6
Pages
724-734
ISSN
  • 1552-5260 (ISSN-L)
  • 1552-5279
OpenAlex
W2035892094
Cited by
223
References
54
Citations by year
2026: 7 · 2025: 19 · 2024: 19 · 2023: 15 · 2022: 13 · 2021: 26 · 2020: 22 · 2019: 16 · 2018: 18 · 2017: 13 · 2016: 20 · 2015: 26 · 2014: 9
FWCI
17.31
Type
journal article
Language
en
Open access
Locations
  • Alzheimer s & Dementia (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (acceptedVersion, cc-by-nc-nd)
  • UCL Discovery (University College London) (submittedVersion)
  • INFM-OAR (INFN Catania) (submittedVersion, cc-by-nc-nd)
Funders
NIHR Newcastle Biomedical Research Centre
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, biomarkers
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Atrophy, Blood Proteins, Brain, Female, Humans, Magnetic Resonance Imaging, Male, ROC Curve, Cohort Studies, Biomarkers, Logistic Models, Proteomics, Cognitive Dysfunction

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