Evidence map›Paper›PMID 23028820›Full record

ArticlePloS one2012

Is telomere length a biomarker for aging: cross-sectional evidence from the west of Scotland?

Geoff Der, G David Batty, Michaela Benzeval, Ian J Deary, Michael J Green, Liane McGlynn, Alan McIntyre, Tony Robertson, Paul G Shiels

Abstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed, 2 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

35 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Telomere Length Change in a Multidomain Lifestyle Intervention to Prevent Cognitive Decline: A Randomized Clinical Trial.The journals of gerontology. Series A, Biological sciences and medical sciences · 2021
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  12. Hypothesis: functional age and onset of autosomal dominant genetic prion disease.Theory in biosciences = Theorie in den Biowissenschaften · 2023
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  20. Comparison of telomere length measurement methods.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2018
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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

9 authors.

Geoff DerSocial & Public Health Sciences Unit, Medical Research Council, Glasgow, United Kingdom. G.Der@sphsu.mrc.ac.uk
G David Batty
Michaela Benzeval
Ian J Deary
Michael J Green
Liane McGlynn
Alan McIntyre
Tony Robertson
Paul G Shiels

Funding

Chief Scientist Office SPHSU2Medical Research Council G0700704Medical Research Council MC_U130059821Medical Research Council MC_U130059823Medical Research Council MC_UP_A540_1021Medical Research Council MC_US_A540_0080Wellcome Trust
6 · The paper itself

Abstract

backgroundThe search for biomarkers of aging (BoAs) has been largely unsuccessful to-date and there is widespread skepticism about the prospects of finding any that satisfy the criteria developed by the American Federation of Aging Research. This may be because the criteria are too strict or because a composite measure might be more appropriate. Telomere length has attracted a great deal of attention as a candidate BoA. We investigate whether it meets the criteria to be considered as a single biomarker of aging, and whether it makes a useful contribution to a composite measure. METHODOLOGY/PRINCIPAL

findingsUsing data from a large population based study, we show that telomere length is associated with age, with several measures of physical and cognitive functioning that are related to normal aging, and with three measures of overall health. In the majority of cases, telomere length adds predictive power to that of age, although it was not nearly as good a predictor overall. We used principal components analysis to form two composites from the measures of functioning, one including telomere length and the other not including it. These composite BoAs were better predictors of the health outcomes than chronological age. There was little difference between the two composites.

conclusionsTelomere length does not satisfy the strict criteria for a BoA, but does add predictive power to that of chronological age. Equivocal results from previous studies might be due to lack of power or the choice of measures examined together with a focus on single biomarkers. Composite biomarkers of aging have the potential to outperform age and should be considered for future research in this area.

Indexed as

AdolescentAdultAgedAgingBiomarkersCognitionCross-Sectional StudiesFemaleHumansLongitudinal StudiesMaleMiddle AgedPredictive Value of TestsPrincipal Component AnalysisScotlandTelomereBiomarkers

Identifiers

PMID23028820
PMCPMC3454419

What OpenQuestion holds

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LicenceCC BY
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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.