Evidence map›Paper›PMID 28797738›Full record

ArticleNeuroImage2017

Tissue magnetic susceptibility mapping as a marker of tau pathology in Alzheimer's disease.

J O'Callaghan, H Holmes, N Powell, J A Wells, O Ismail, I F Harrison, B Siow, R Johnson, Z Ahmed, A Fisher and 6 more

Open access · hybridAbstract read
In one paragraph

Article in NeuroImage, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
4.4field-weighted citation impact, top 5% 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

31 citing papers in PubMed, 63 citations in OpenAlex.

  1. Article
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  15. The Role of Clinical Assessment in the Era of Biomarkers.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2023
    Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Iron and Alzheimer's Disease: From Pathology to Imaging.Frontiers in human neuroscience · 2022
    Review
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

16 authors at 2 institutions in 2 countries.

J O'CallaghanUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK. Electronic address: james.ocallaghan@ucl.ac.uk.
H HolmesUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
N PowellUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
J A WellsUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
O IsmailUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
I F HarrisonUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
B SiowUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
R JohnsonEli Lilly and Company, 355 E Merrill Street, Dock 48, Indianapolis, IN, 46225, USA.
Z AhmedEli Lilly & Co. Ltd, Erl Wood Manor, Windlesham, Surrey, GU20 6PH, UK.
A FisherEli Lilly & Co. Ltd, Erl Wood Manor, Windlesham, Surrey, GU20 6PH, UK.
S MeftahEli Lilly & Co. Ltd, Erl Wood Manor, Windlesham, Surrey, GU20 6PH, UK.
M J O'NeillEli Lilly & Co. Ltd, Erl Wood Manor, Windlesham, Surrey, GU20 6PH, UK.
T K MurrayEli Lilly & Co. Ltd, Erl Wood Manor, Windlesham, Surrey, GU20 6PH, UK.
E C CollinsEli Lilly and Company, 355 E Merrill Street, Dock 48, Indianapolis, IN, 46225, USA.
K ShmueliDepartment of Medical Physics and Biomedical Engineering, UCL, UK.
M F LythgoeUCL Centre for Advanced Biomedical Imaging, Division of Medicine, UCL, UK.
Eli Lilly (United Kingdom) · GBEli Lilly (United States) · US

Funding

Medical Research Council MR/G0900207-3/1Medical Research Council MR/J013110/1Medical Research Council MR/J500422/1Medical Research Council MR/K026739/1Wellcome TrustWellcome Trust 204624/Z/16/Z
6 · The paper itself

Abstract

Alzheimer's disease is connected to a number of other neurodegenerative conditions, known collectively as 'tauopathies', by the presence of aggregated tau protein in the brain. Neuroinflammation and oxidative stress in AD are associated with tau pathology and both the breakdown of axonal sheaths in white matter tracts and excess iron accumulation grey matter brain regions. Despite the identification of myelin and iron concentration as major sources of contrast in quantitative susceptibility maps of the brain, the sensitivity of this technique to tau pathology has yet to be explored. In this study, we perform Quantitative Susceptibility Mapping (QSM) and T2* mapping in the rTg4510, a mouse model of tauopathy, both in vivo and ex vivo. Significant correlations were observed between histological measures of myelin content and both mean regional magnetic susceptibility and T2* values. These results suggest that magnetic susceptibility is sensitive to tissue myelin concentrations across different regions of the brain. Differences in magnetic susceptibility were detected in the corpus callosum, striatum, hippocampus and thalamus of the rTg4510 mice relative to wild type controls. The concentration of neurofibrillary tangles was found to be low to intermediate in these brain regions indicating that QSM may be a useful biomarker for early stage detection of tau pathology in neurodegenerative diseases.

Indexed as

Alzheimer DiseaseAnimalsBrainBrain MappingFemaleImage Processing, Computer-AssistedMiceMice, TransgenicNeurofibrillary TanglesTauopathies

Identifiers

PMID28797738
PMCPMC5678288
OpenAlexW2743172238

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.