Evidence map›Paper›PMID 24367334›Full record

ArticleFrontiers in aging neuroscience2013

High ferritin levels have major effects on the morphology of erythrocytes in Alzheimer's disease.

Janette Bester, Antoinette V Buys, Boguslaw Lipinski, Douglas B Kell, Etheresia Pretorius

Open access · goldAbstract read
In one paragraph

Article in Frontiers in aging neuroscience, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
6.0field-weighted citation impact, top 3% of its field
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

29 citing papers in PubMed, 68 citations in OpenAlex.

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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

5 authors at 2 institutions in 2 countries.

Janette BesterDepartment of Physiology, Faculty of Health Sciences, University of Pretoria Arcadia, South Africa.
Antoinette V BuysMicroscopy and Microanalysis Unit, University of Pretoria Arcadia, South Africa.
Boguslaw LipinskiJoslin Diabetes Center, Harvard Medical School Boston, MA, USA.
Douglas B KellSchool of Chemistry and The Manchester Institute of Biotechnology, The University of Manchester Lancs, UK.
Etheresia PretoriusDepartment of Physiology, Faculty of Health Sciences, University of Pretoria Arcadia, South Africa.
University of Pretoria · ZAHarvard University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionUnliganded iron both contributes to the pathology of Alzheimer's disease (AD) and also changes the morphology of erythrocytes (RBCs). We tested the hypothesis that these two facts might be linked, i.e., that the RBCs of AD individuals have a variant morphology, that might have diagnostic or prognostic value.

methodsWe included a literature survey of AD and its relationships to the vascular system, followed by a laboratory study. Four different microscopy techniques were used and results statistically compared to analyze trends between high and normal serum ferritin (SF) AD individuals.

resultsLight and scanning electron microscopies showed little difference between the morphologies of RBCs taken from healthy individuals and from normal SF AD individuals. By contrast, there were substantial changes in the morphology of RBCs taken from high SF AD individuals. These differences were also observed using confocal microscopy and as a significantly greater membrane stiffness (measured using force-distance curves).

conclusionWe argue that high ferritin levels may contribute to an accelerated pathology in AD. Our findings reinforce the importance of (unliganded) iron in AD, and suggest the possibility both of an early diagnosis and some means of treating or slowing down the progress of this disease.

Indexed as

Alzheimer's diseaseatomic force microscopyerythrocytesironscanning electron microscopy

Identifiers

PMID24367334
PMCPMC3853801
OpenAlexW2103062509

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.