Evidence map›Paper›PMID 22976074›Full record

ArticleJournal of Alzheimer's disease : JAD2013

Plasma amyloid-β levels and prognosis in incident dementia cases of the 3-City Study.

Audrey Gabelle, Florence Richard, Laure-Anne Gutierrez, Susanna Schraen, Fleur Delva, Olivier Rouaud, Luc Buée, Jean-François Dartigues, Jacques Touchon, Jean-Charles Lambert and 1 more

Abstract read
In one paragraph

Article in Journal of Alzheimer's disease : JAD, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
–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

13 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Activation of the factor XII-driven contact system in Alzheimer's disease patient and mouse model plasma.Proceedings of the National Academy of Sciences of the United States of America · 2015
    Article
  13. 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

11 authors.

Audrey GabelleDepartment of Neurology, Centre Mémoire Ressources Recherche Languedoc-Roussillon, CHRU Gui de Chauliac Hospital, Montpellier, France. a-gabelle@chu-montpellier.fr
Florence Richard
Laure-Anne Gutierrez
Susanna Schraen
Fleur Delva
Olivier Rouaud
Luc Buée
Jean-François Dartigues
Jacques Touchon
Jean-Charles Lambert
Claudine Berr

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Studies of plasma amyloid-β (Aβ) levels as potential biomarkers for incident Alzheimer's disease (AD) have yielded contradictory results. We explored the associations between plasma Aβ(40), Aβ(42), and truncated Aβ levels, and prognosis of dementia in participants of the prospective 3-City Study. 120 aged individuals diagnosed with 2-year incident dementia were followed up for seven years. The associations between Aβ plasma levels and baseline cognitive score, cognitive decline, and death were examined. A higher level of baseline plasma Aβ was associated with worse cognitive status two years prior to incident dementia diagnosis. In incident AD patients, the association was only significant for Aβ(40) and Aβ(n-42). In the fast cognitive decliners group, especially in AD cases, a higher level of 5 pg/ml of baseline Aβ(42), Aβ(n-42), Aβ(n-42)/Aβ(n-40), and Aβ(42)/Aβ(40) ratios were associated with a lower risk of fast cognitive decline based on the Isaacs Set Test score. There was no association between peptide levels and mortality in demented subjects. When assayed at prodromal stage, plasma Aβ levels may be potentially useful markers of fast cognitive decline in individuals who subsequently become demented.

Indexed as

AgedAged, 80 and overAlzheimer DiseaseAmyloid beta-PeptidesBiomarkersCognitive DysfunctionDementiaDisease ProgressionFemaleFollow-Up StudiesFranceHumansIncidenceMaleMultivariate AnalysisPrognosisAmyloid beta-PeptidesBiomarkers

Identifiers

PMID22976074
PMCPMC3980384

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.