Evidence map›Paper›PMID 17601350›Full record

ArticleBMC genetics2007

A genetic association analysis of cognitive ability and cognitive ageing using 325 markers for 109 genes associated with oxidative stress or cognition.

Sarah E Harris, Helen Fox, Alan F Wright, Caroline Hayward, John M Starr, Lawrence J Whalley, Ian J Deary

Abstract read
In one paragraph

Article in BMC genetics, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing 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

43 citing papers in PubMed.

  1. Trial
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  3. DNA methylation at birth and lateral ventricular volume in childhood: a neuroimaging epigenetics study.Journal of child psychology and psychiatry, and allied disciplines · 2024
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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

7 authors.

Sarah E HarrisDepartment of Psychology, University of Edinburgh, Edinburgh, UK. Sarah.Harris@hgu.mrc.ac.uk <Sarah.Harris@hgu.mrc.ac.uk>
Helen Fox
Alan F Wright
Caroline Hayward
John M Starr
Lawrence J Whalley
Ian J Deary

Funding

Medical Research Council MC_U127561128Wellcome Trust
6 · The paper itself

Abstract

backgroundNon-pathological cognitive ageing is a distressing condition affecting an increasing number of people in our 'ageing society'. Oxidative stress is hypothesised to have a major role in cellular ageing, including brain ageing.

resultsAssociations between cognitive ageing and 325 single nucleotide polymorphisms (SNPs), located in 109 genes implicated in oxidative stress and/or cognition, were examined in a unique cohort of relatively healthy older people, on whom we have cognitive ability scores at ages 11 and 79 years (LBC1921). SNPs showing a significant positive association were then genotyped in a second cohort for whom we have cognitive ability scores at the ages of 11 and 64 years (ABC1936). An intronic SNP in the APP gene (rs2830102) was significantly associated with cognitive ageing in both LBC1921 and a combined LBC1921/ABC1936 analysis (p < 0.01), but not in ABC1936 alone.

conclusionThis study suggests a possible role for APP in normal cognitive ageing, in addition to its role in Alzheimer's disease.

Indexed as

Polymorphism, Single NucleotideAdolescentAdultAgedAgingAlzheimer DiseaseAmyloid beta-Protein PrecursorChildCognitionCohort StudiesFemaleGenetic MarkersGenotypeHumansMaleMiddle AgedAmyloid beta-Protein PrecursorGenetic Markers

Identifiers

PMID17601350
PMCPMC1933580

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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.