Evidence map›Paper›PMID 26250474›Full record

Trial reportThe Prostate2015

Prospective study of DNA methylation at LINE-1 and Alu in peripheral blood and the risk of prostate cancer.

Kathryn Hughes Barry, Lee E Moore, Linda M Liao, Wen-Yi Huang, Gabriella Andreotti, Matthew Poulin, Sonja I Berndt

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in The Prostate, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
3.5field-weighted citation impact, top 7% 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

21 citing papers in PubMed, 34 citations in OpenAlex.

  1. Review
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  5. Genes · 2020
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  20. When Prostate Cancer Circulates in the Bloodstream.Diagnostics (Basel, Switzerland) · 2015
    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

7 authors at 3 institutions in 1 country.

Kathryn Hughes BarryOccupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Lee E MooreOccupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Linda M LiaoNutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Wen-Yi HuangOccupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Gabriella AndreottiOccupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Matthew PoulinEpigenDx, Inc., Hopkinton, Massachusetts.
Sonja I BerndtOccupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Division of Cancer Epidemiology and GeneticsNational Cancer Institute · USIsto Biologics (United States) · US

Funding

PLCO Trial Etiologic and Early Marker StudyZIACP010152 · NCI · DIVISION OF CANCER EPIDEMIOLOGY AND GENETICS · PI MOORE, STEVEN · 2009 to 2025
$29.9M
Intramural NIH HHS ZIA CP010152
6 · The paper itself

Abstract

backgroundEvidence suggests that global blood DNA methylation levels may be associated with the risk of various cancers, but no studies have evaluated this relationship for prostate cancer.

methodsWe used pyrosequencing to quantify DNA methylation levels at the long interspersed nuclear element 1 (LINE-1) and Alu repetitive elements in pre-diagnostic blood samples from 694 prostate cancer cases and 703 controls from the Prostate, Lung, Colorectal, and Ovarian Cancer Screening Trial. We evaluated prostate cancer risk associated with the mean methylation level for each element using logistic regression, adjusting for potential confounders.

resultsWe did not observe a significant association with prostate cancer for LINE-1 [odds ratio (OR) for the highest compared to the lowest quartile = 1.01, 95% confidence interval (CI): 0.73-1.39, Ptrend  = 0.99] or Alu (OR = 0.94, 95% CI: 0.68-1.29, Ptrend  = 0.69) methylation levels overall. However, for Alu, we observed that higher DNA methylation levels were associated with a significant increased risk for those diagnosed 4 or more years after blood draw (OR = 2.26, 95% CI: 1.27-4.00, Ptrend  = 4.4 × 10(-3) ). In contrast, there was no association for those diagnosed 2 (OR = 1.13, 95% CI: 0.67-1.90, Ptrend  = 0.64) or 3 years after draw (OR = 1.22, 95% CI: 0.71-2.07, Ptrend  = 0.32), and a decreased risk for those diagnosed less than 2 years after draw (OR = 0.40, 95% CI: 0.25-0.65, Ptrend  = 3.8 × 10(-5) ; Pheterogeneity  = 5.3 × 10(-6) ).

conclusionsAlthough LINE-1 DNA methylation levels were not associated with prostate cancer, we observed an association for Alu that varied by time from blood draw to diagnosis. Our study suggests that elevated Alu blood DNA methylation levels several years before diagnosis may be associated with an increased prostate cancer risk.

Indexed as

DNA MethylationAgedAlu ElementsCase-Control StudiesGenetic Association StudiesGenetic Predisposition to DiseaseHumansLong Interspersed Nucleotide ElementsMaleMiddle AgedProspective StudiesProstatic NeoplasmsRiskglobal DNA methylationpre-diagnosticprostate cancerrepetitive element

Identifiers

PMID26250474
PMCPMC4535169
OpenAlexW1539069565

What OpenQuestion holds

Textmetadata
LicenceTDM
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.