Evidence map›Paper›PMID 29859365›Full record

ArticleNeurobiology of aging2018

Telomere attrition is associated with declines in medial temporal lobe volume and white matter microstructure in functionally independent older adults.

Adam M Staffaroni, Duygu Tosun, Jue Lin, Fanny M Elahi, Kaitlin B Casaletto, Matthew J Wynn, Nihar Patel, John Neuhaus, Samantha M Walters, Elissa S Epel and 2 more

Abstract read
In one paragraph

Article in Neurobiology of aging, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing 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

17 citing papers in PubMed.

  1. Trial
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  14. Telomere length and human hippocampal neurogenesis.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2020
    Article
  15. Telomere attrition and inflammatory load in severe psychiatric disorders and in response to psychotropic medications.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2020
    Article
  16. Article
  17. 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

12 authors.

Adam M StaffaroniDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA. Electronic address: Adam.Staffaroni@ucsf.edu.
Duygu TosunDepartment of Veteran Affairs Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, CA, USA.
Jue LinDepartment of Biochemistry and Biophysics, University of California at San Francisco, San Francisco, CA, USA.
Fanny M ElahiDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA.
Kaitlin B CasalettoDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA.
Matthew J WynnDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA.
Nihar PatelDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA.
John NeuhausDepartment of Epidemiology and Biostatistics, University of California, San Francisco, USA.
Samantha M WaltersDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA.
Elissa S EpelDepartment of Psychiatry, University of California at San Francisco, San Francisco, CA, USA.
Elizabeth H BlackburnSalk Institute for Biological Sciences, La Jolla, CA, USA.
Joel H KramerDepartment of Neurology, Memory and Aging Center, University of California at San Francisco, San Francisco, CA, USA.

Funding

PrPSc SPECIFIC INTERACTION WITH NOVEL PrP-Fc FUSION PROTEINSP50AG023501 · NIA · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI MILLER, BRUCE L · 2004 to 2018
$27.1M
Mechanisms of Executive Decline in Normal AgingR01AG032289 · NIA · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI Kaitlin B Casaletto, JOEL H KRAMER · 2009 to 2026
$8.3M
Effects of chronic inflammation on brain structure and functionR01AG048234 · NIA · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI KRAMER, JOEL H · 2015 to 2019
$3.2M
NIA NIH HHS P50 AG023501NIA NIH HHS R01 AG032289NIA NIH HHS R01 AG048234
6 · The paper itself

Abstract

Although leukocyte telomere length (TL) shortens over the lifespan and is associated with diseases of aging, little is known about the relationships between TL, memory, and brain structure. Sixty-nine functionally normal older adults (mean age = 71.7) were assessed at 2 time points (mean interval = 2.9 years). Linear mixed models assessed relationships between TL and hippocampal volume, fractional anisotropy, and mean diffusivity (MD) of the fornix and verbal and visual episodic memory. Unstandardized coefficients are reported in the following, and p values are not corrected for multiple comparisons. A negative baseline trend was observed between TL and fornix MD (b = -0.01, p = 0.06), but no other cross-sectional associations were significant (ps > 0.16). Greater TL shortening at follow-up was associated with greater hippocampal volume loss (b = 27.09, p < 0.001), even after controlling for global volume loss (b = 10.83, p = 0.002). Greater telomere attrition was also associated with larger increases in fornix MD (b = -0.01, p = 0.012) and decreases in fornix fractional anisotropy (b = 0.004, p = 0.002). TL was not associated with changes in episodic memory (ps > 0.23). These relationships may reflect neurobiological influences that affect both TL and brain structure, as well as the effect of TL on brain aging via mechanisms such as cellular senescence and inflammation.

Indexed as

AgingTelomere ShorteningAgedAtrophyDiffusion Magnetic Resonance ImagingFemaleHumansMaleMemory, EpisodicTemporal LobeWhite MatterAgingBiomarkerDiffusion tensor imaging (DTI)FornixHippocampusLongitudinalMemoryMRINeuroimaging

Identifiers

PMID29859365
PMCPMC6430612

What OpenQuestion holds

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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.