Cited by 99Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Amyloid‐β oligomers are inefficiently measured by enzyme‐linked immunosorbent assay

Stenh, Charlotte, Englund, Hillevi, Lord, Anna, Johansson, Ann‐Sofi, Almeida, Claudia G., Gellerfors, Pär, Greengard, Paul, Gouras, Gunnar K. +2 more·2005·Annals of Neurology

Abstract

Amyloid‐β (Aβ) peptide levels are widely measured by enzyme‐linked immunosorbent assay (ELISA) in Alzheimer's disease research. Here, we show that oligomerization of Aβ results in underestimated Aβ ELISA levels. The implications are that comprehensive analysis of soluble Aβ requires either sample pretreatment at denaturing conditions or novel conformation‐dependent immunoassays. Our findings might be of relevance for many neurodegenerative disorders in which soluble protein aggregates are the main neurotoxic species. Ann Neurol 2005;58:147–150

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Crossref · 10.1002/ana.20524

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17 of 17 references verified0 citation errors · 0 not checkable

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  • In a study using ELISA, when the same amounts of Aβ1-42 were incubated over time, levels of Aβ42 assayed by a standard non-denaturing ELISA appeared to decline as a function of time, while denaturing Western blotting indicated that levels were actually unchanged; this occurred because ongoing Aβ aggregation progressively blocked access of the Aβ42 antibody in the ELISA.

    “When the same amounts of Aβ1-42 were incubated over time, levels of Aβ42 assayed by a standard non-denaturing ELISA appeared to decline as a function of time, while denaturing Western blotting indicated that levels were actually unchanged; this occurred because ongoing Aβ aggregation progressively blocked access of the Aβ42 antibody in the ELISA.”

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Authors
Stenh, C., Englund, H., Lord, A., Johansson, A., Almeida, C. G., Gellerfors, P., Greengard, P., Gouras, G. K., Lannfelt, L., & Nilsson, L. N. G.
Affiliations
  • Uppsala University (SE)
  • Rockefeller University (US)
  • Cornell University (US)
Corresponding author
Lannfelt, Lars
Venue
Annals of Neurology
Publisher
Wiley
Published
2005-06-27
Volume
58
Issue
1
Pages
147-150
ISSN
  • 0364-5134 (ISSN-L)
  • 1531-8249
OpenAlex
W2058432632
Cited by
99
References
17
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 3 · 2021: 3 · 2020: 1 · 2018: 6 · 2017: 1 · 2016: 4 · 2015: 8 · 2014: 4 · 2013: 5 · 2012: 5
FWCI
3.61
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Funders
National Institute on Aging (AG09464, P01AG009464)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
amyloid-beta oligomers, amyloid-beta, enzyme-linked immunosorbent assay, oligomerization, Alzheimer's disease, sample preparation, neurodegenerative diseases
MeSH terms
Alzheimer Disease, Animals, Cell Line, Enzyme-Linked Immunosorbent Assay, Humans, Mice, Transgenic, Mutation, Transfection, Blotting, Western, Amyloid beta-Peptides, Mice

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