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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. LU orcid ; Lannfelt, Lars and Nilsson, Lars N.G. (2005) In Annals of Neurology 58(1). p.147-150
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.

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author
; ; ; ; ; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Annals of Neurology
volume
58
issue
1
pages
147 - 150
publisher
John Wiley & Sons Inc.
external identifiers
  • pmid:15984012
  • scopus:21844448609
ISSN
0364-5134
DOI
10.1002/ana.20524
language
English
LU publication?
no
id
4ab63dba-d5a6-4370-ad22-25873d3434d8
date added to LUP
2020-02-20 14:32:03
date last changed
2024-04-03 01:32:55
@article{4ab63dba-d5a6-4370-ad22-25873d3434d8,
  abstract     = {{<p>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.</p>}},
  author       = {{Stenh, Charlotte and Englund, Hillevi and Lord, Anna and Johansson, Ann Sofi and Almeida, Claudia G. and Gellerfors, Pär and Greengard, Paul and Gouras, Gunnar K. and Lannfelt, Lars and Nilsson, Lars N.G.}},
  issn         = {{0364-5134}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{147--150}},
  publisher    = {{John Wiley & Sons Inc.}},
  series       = {{Annals of Neurology}},
  title        = {{Amyloid-β oligomers are inefficiently measured by enzyme-linked immunosorbent assay}},
  url          = {{http://dx.doi.org/10.1002/ana.20524}},
  doi          = {{10.1002/ana.20524}},
  volume       = {{58}},
  year         = {{2005}},
}