Evidence map›Paper›PMID 23552396›Full record

ArticleEnvironmental health perspectives2013

Genetic and non-genetic predictors of LINE-1 methylation in leukocyte DNA.

Salman M Tajuddin, André F S Amaral, Agustín F Fernández, Sandra Rodríguez-Rodero, Ramón María Rodríguez, Lee E Moore, Adonina Tardón, Alfredo Carrato, Montserrat García-Closas, Debra T Silverman and 11 more

Open access · diamondAbstract read
In one paragraph

Article in Environmental health perspectives, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed, 2 pooled it
5.4field-weighted citation impact, top 3% 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

51 citing papers in PubMed, 2 syntheses or guidelines pooled it, 84 citations in OpenAlex.

  1. Pooled it
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  12. Effects of DNA methylation on cardiometabolic risk factors: a systematic review and meta-analysis.Archives of public health = Archives belges de sante publique · 2022
    Review
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  20. Metals and Mechanisms of Carcinogenesis.Annual review of pharmacology and toxicology · 2019
    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

21 authors at 12 institutions in 3 countries.

Salman M TajuddinGenetic and Molecular Epidemiology Group, Spanish National Cancer Research Centre, CNIO, Madrid, Spain.
André F S Amaral
Agustín F Fernández
Sandra Rodríguez-Rodero
Ramón María Rodríguez
Lee E Moore
Adonina Tardón
Alfredo Carrato
Montserrat García-Closas
Debra T Silverman
Brian P Jackson
Reina García-Closas
Ashley L Cook
Kenneth P Cantor
Stephen Chanock
Manolis Kogevinas
Nathaniel Rothman
Francisco X Real
Mario F Fraga
Núria Malats
Spanish Bladder Cancer/EPICURO Study Investigators
National Institutes of Health · USInstituto de Investigación Sanitaria del Principado de Asturias · ESInstituto de Salud Carlos III · ESCenter for Research in Environmental Epidemiology · ESCentro Nacional de Biotecnología · ESDartmouth College · USHospital General Universitario de Elche · ESHospital Universitario de Canarias · ESInstitute of Cancer Research · GBSpanish National Cancer Research Centre · ESUniversidad de Oviedo · ESUniversitat Pompeu Fabra · ES

Funding

VARIATION IN BIOACCUMULATION AND BIOMAGNIFICATION OF METALS IN NORTHERN US LAKESP42ES007373 · NIEHS · DARTMOUTH COLLEGE · PI STANTON, BRUCE A. · 1995 to 2019
$52.0M
GENETIC MARKERS OF BLADDER CANCER PROGRESSIONR01CA089715 · NCI · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI ALBERTSON, DONNA G · 2001 to 2012
$3.1M
Medical Research Council G0801056NCI NIH HHS R01 CA089715NCI NIH HHS R01-CA089715NIEHS NIH HHS P42 ES007373Worldwide Cancer Research 09-0780
6 · The paper itself

Abstract

backgroundAltered DNA methylation has been associated with various diseases.

objectiveWe evaluated the association between levels of methylation in leukocyte DNA at long interspersed nuclear element 1 (LINE-1) and genetic and non-genetic characteristics of 892 control participants from the Spanish Bladder Cancer/EPICURO study.

methodsWe determined LINE-1 methylation levels by pyrosequencing. Individual data included demographics, smoking status, nutrient intake, toenail concentrations of 12 trace elements, xenobiotic metabolism gene variants, and 515 polymorphisms among 24 genes in the one-carbon metabolism pathway. To assess the association between LINE-1 methylation levels (percentage of methylated cytosines) and potential determinants, we estimated beta coefficients (βs) by robust linear regression.

resultsWomen had lower levels of LINE-1 methylation than men (β = -0.7, p = 0.02). Persons who smoked blond tobacco showed lower methylation than nonsmokers (β = -0.7, p = 0.03). Arsenic toenail concentration was inversely associated with LINE-1 methylation (β = -3.6, p = 0.003). By contrast, iron (β = 0.002, p = 0.009) and nickel (β = 0.02, p = 0.004) were positively associated with LINE-1 methylation. Single nucleotide polymorphisms (SNPs) in DNMT3A (rs7581217-per allele, β = 0.3, p = 0.002), TCN2 (rs9606756-GG, β = 1.9, p = 0.008; rs4820887-AA, β = 4.0, p = 4.8 × 10-7; rs9621049-TT, β = 4.2, p = 4.7 × 10-9), AS3MT (rs7085104-GG, β = 0.7, p = 0.001), SLC19A1 (rs914238, TC vs. TT: β = 0.5 and CC vs. TT: β = -0.3, global p = 0.0007) and MTHFS (rs1380642, CT vs. CC: β = 0.3 and TT vs. CC; β = -0.8, global p = 0.05) were associated with LINE-1 methylation.

conclusionsWe identified several characteristics, environmental factors, and common genetic variants that predicted DNA methylation among study participants.

Indexed as

DNA MethylationLong Interspersed Nucleotide ElementsAdultAgedAged, 80 and overFemaleGenotypeHumansLeukocytesMaleMiddle AgedNutrition AssessmentPolymorphism, Single NucleotideSmoking

Identifiers

PMID23552396
PMCPMC3672919
OpenAlexW2105303460

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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.