Evidence map›Paper›PMID 25855716›Full record

ArticleInternational journal of epidemiology2015

Exposure to aflatoxin B1 in utero is associated with DNA methylation in white blood cells of infants in The Gambia.

Hector Hernandez-Vargas, Jovita Castelino, Matt J Silver, Paula Dominguez-Salas, Marie-Pierre Cros, Geoffroy Durand, Florence Le Calvez-Kelm, Andrew M Prentice, Christopher P Wild, Sophie E Moore and 4 more

Open access · bronzeAbstract read
In one paragraph

Article in International journal of epidemiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed, 3 pooled it
6.6field-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

45 citing papers in PubMed, 3 syntheses or guidelines pooled it, 97 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Review
  5. Aflatoxin exposure and health impacts: global burden and advances in detection technologies.Genes and environment : the official journal of the Japanese Environmental Mutagen Society · 2026
    Review
  6. Genomic Impacts of Biological Exposures.Journal of developmental biology · 2026
    Review
  7. Review
  8. Article
  9. Review
  10. Article
  11. Aflatoxin B1 and Epstein-Barr virus-induced CCL22 expression stimulates B cell infection.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Effects of Prenatal Exposure to Aflatoxin B1: A Review.Molecules (Basel, Switzerland) · 2021
    Review
  20. 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

14 authors at 5 institutions in 3 countries.

Hector Hernandez-VargasEpigenetics Group, International Agency for Research on Cancer (IARC), Lyon, France.
Jovita CastelinoLICAMM, School of Medicine, University of Leeds, Leeds, UK.
Matt J SilverMRC International Nutrition Group at LSHTM, UK & MRC Keneba, MRC Unit, The Gambia.
Paula Dominguez-SalasMRC International Nutrition Group at LSHTM, UK & MRC Keneba, MRC Unit, The Gambia.
Marie-Pierre CrosEpigenetics Group, International Agency for Research on Cancer (IARC), Lyon, France.
Geoffroy DurandGenetic Cancer Susceptibility Group, IARC, Lyon, France.
Florence Le Calvez-KelmGenetic Cancer Susceptibility Group, IARC, Lyon, France.
Andrew M PrenticeMRC International Nutrition Group at LSHTM, UK & MRC Keneba, MRC Unit, The Gambia.
Christopher P WildDirector, IARC, Lyon, France.
Sophie E MooreMRC International Nutrition Group at LSHTM, UK & MRC Keneba, MRC Unit, The Gambia, MRC Human Nutrition Research, Cambridge, UK and.
Branwen J HennigMRC International Nutrition Group at LSHTM, UK & MRC Keneba, MRC Unit, The Gambia.
Zdenko HercegEpigenetics Group, International Agency for Research on Cancer (IARC), Lyon, France.
Yun Yun GongUK Institute of Global Food Security, Queen's University Belfast, Belfast, UK medmnr@leeds.ac.uk.
Michael N RoutledgeLICAMM, School of Medicine, University of Leeds, Leeds, UK, medmnr@leeds.ac.uk.
Centre International de Recherche sur le Cancer · FRMRC Unit the Gambia · GMUniversity of Leeds · GBMRC Human Nutrition Research · GBQueen's University Belfast · GB

Funding

Validation and Application of Risk, Biomarkers in Human StudiesP01ES006052 · NIEHS · JOHNS HOPKINS UNIVERSITY · PI GROOPMAN, JOHN D · 1993 to 2012
$22.6M
Medical Research Council MC-A760-5QX00Medical Research Council MC_EX_MR/M01424X/1Medical Research Council MC_U123292700Medical Research Council MC_UP_1005/1NIEHS NIH HHS ES06052NIEHS NIH HHS P01 ES006052Wellcome Trust WT086369MAWorld Health Organization 001
6 · The paper itself

Abstract

backgroundExposure to environmental toxins during embryonic development may lead to epigenetic changes that influence disease risk in later life. Aflatoxin is a contaminant of staple foods in sub-Saharan Africa, is a known human liver carcinogen and has been associated with stunting in infants.

methodsWe have measured aflatoxin exposure in 115 pregnant women in The Gambia and examined the DNA methylation status of white blood cells from their infants at 2-8 months old (mean 3.6 ± 0.9). Aflatoxin exposure in women was assessed using an ELISA method to measure aflatoxin albumin (AF-alb) adducts in plasma taken at 1-16 weeks of pregnancy. Genome-wide DNA methylation of infant white blood cells was measured using the Illumina Infinium HumanMethylation450beadchip.

resultsAF-alb levels ranged from 3.9 to 458.4 pg/mg albumin. We found that aflatoxin exposure in the mothers was associated to DNA methylation in their infants for 71 CpG sites (false discovery rate < 0.05), with an average effect size of 1.7% change in methylation. Aflatoxin-associated differential methylation was observed in growth factor genes such as FGF12 and IGF1, and immune-related genes such as CCL28, TLR2 and TGFBI. Moreover, one aflatoxin-associated methylation region (corresponding to the miR-4520b locus) was identified.

conclusionsThis study shows that maternal exposure to aflatoxin during the early stages of pregnancy is associated with differential DNA methylation patterns of infants, including in genes related to growth and immune function. This reinforces the need for interventions to reduce aflatoxin exposure, especially during critical periods of fetal and infant development.

Indexed as

DNA MethylationAdolescentAdultAflatoxin B1AflatoxinsAlbuminsFemaleGambiaGrowth DisordersHumansInfantLeukocytesMaleMaternal ExposureMiddle AgedPregnancyaflatoxin-albumin adductAflatoxin B1AflatoxinsAlbuminsAflatoxinDNA methylationin utero exposure

Identifiers

PMID25855716
PMCPMC4588861
OpenAlexW2102105713

What OpenQuestion holds

Textmetadata
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.