Evidence map›Paper›PMID 29780875›Full record

ArticleAlzheimer's & dementia (Amsterdam, Netherlands)2018

Amyloid β peptides are differentially vulnerable to preanalytical surface exposure, an effect incompletely mitigated by the use of ratios.

Jamie Toombs, Martha S Foiani, Henrietta Wellington, Ross W Paterson, Charles Arber, Amanda Heslegrave, Michael P Lunn, Jonathan M Schott, Selina Wray, Henrik Zetterberg

Abstract read
In one paragraph

Article in Alzheimer's & dementia (Amsterdam, Netherlands), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Elecsys CSF AD immunoassays: Sample stability for a new pre-analytical protocol for fresh CSF.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2025
    Article
  6. Article
  7. Observational
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Agreement of amyloid PET and CSF biomarkers for Alzheimer's disease on Lumipulse.Annals of clinical and translational neurology · 2019
    Article
  19. Article
  20. Antemortem CSF AAnnals of clinical and translational neurology · 2019
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Jamie ToombsDepartment of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.
Martha S FoianiDepartment of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.
Henrietta WellingtonDepartment of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.
Ross W PatersonDepartment of Neurodegeneration, Dementia Research Centre, Institute of Neurology, London, UK.
Charles ArberDepartment of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.
Amanda HeslegraveDepartment of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.
Michael P LunnDepartment of Neuroimmunology, Institute of Neurology, University College London, London, UK.
Jonathan M SchottDepartment of Molecular Neuroscience, Institute of Neurology, University College London, London, UK.
Selina WrayDepartment of Neurodegeneration, Dementia Research Centre, Institute of Neurology, London, UK.
Henrik ZetterbergDepartment of Molecular Neuroscience, University College London, London, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionWe tested the hypothesis that the amyloid β (Aβ) peptide ratios are more stable than Aβ

methodsHuman cerebrospinal fluid (CSF) and culture media (CM) from human cortical neurons were exposed to a series of volumes and polypropylene surfaces. Aβ

resultsDecrease of measurable Aβ peptide concentrations was exaggerated in longer peptides, affecting the Aβ DISCUSSION: Use of Aβ ratios, in conjunction with concentrations, may mitigate confounding factors and assist the clinical diagnostic process for Alzheimer's disease.

Indexed as

Alzheimer's diseaseAmyloid β ratioCell culture mediaCerebrospinal fluidPreanalytical factorsSurface adsorption

Identifiers

PMID29780875
PMCPMC5956932

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.