Evidence map›Paper›PMID 31551090›Full record

ArticleBMC research notes2019

Apolipoprotein E promoter genotypes are not associated with white matter hyperintensity development in high-altitude careers.

Richard R Chapleau, CharLee A Martin, Summer R Hughes, James C Baldwin, John Sladky, Paul M Sherman, Michael Grinkemeyer

Open access · goldAbstract read
In one paragraph

Article in BMC research notes, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.1field-weighted citation impact, top 46% 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

1 citing paper in PubMed, 1 citations in OpenAlex.

  1. 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

7 authors at 2 institutions in 1 country.

Richard R ChapleauAeromedical Research Department, Applied Technology and Genomics Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA. richard.chapleau.1@us.af.mil.ORCID http://orcid.org/0000-0001-6610-5946
CharLee A MartinAeromedical Research Department, Applied Technology and Genomics Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA.
Summer R HughesAeromedical Research Department, Applied Technology and Genomics Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA.
James C BaldwinAeromedical Research Department, Applied Technology and Genomics Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA.
John SladkyAeromedical Research Department, Operational Health and Performance Research Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA.
Paul M ShermanAeromedical Research Department, Operational Health and Performance Research Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA.
Michael GrinkemeyerAeromedical Research Department, Applied Technology and Genomics Division, Wright-Patterson AFB, U.S. Air Force School of Aerospace Medicine, Dayton, OH, USA.
United States Air Force · USUnited States Air Force Research Laboratory · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThis study sought to determine if there is an association between variants in the apolipoprotein E (ApoE) promoter regions and development of white matter hyperintensities (WMH) in military subjects who have been exposed to high altitude. In an earlier study, we found that ApoE status did not correlate with WMH development, and here we hypothesized that regulation of APOE protein expression may be protective.

resultsOur cohort of 92 subjects encountered altitude exposures above 25,000 feet mean sea level through their occupations as pilots or altitude chamber technicians. Using Taqman-style polymerase chain reaction genotyping and t-tests and two-way analyses of variance we found no significant association between ApoE promoter genotypes and the presence, volume, or quantity of WMHs after high altitude exposure. Taken together, the observations that neither ApoE genotype status nor promoter status are associated with WMH properties, we believe that the mechanism of action for developing WMH does not derive from ApoE, nor would therapies for ApoE-mediated neurodegeneration likely benefit high altitude operators.

Indexed as

AltitudeOccupationsApolipoproteins ECohort StudiesGene FrequencyGenotypeHumansMagnetic Resonance ImagingMilitary PersonnelPolymorphism, Single NucleotidePromoter Regions, GeneticWhite MatterApolipoproteins EApolipoprotein EGenotype screeningHigh altitude acclimatizationNeuroprotection

Identifiers

PMID31551090
PMCPMC6760100
OpenAlexW2976869643

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.