Evidence map›Paper›PMID 24664213›Full record

ArticlePloS one2014

Expression of the sFLT1 gene in cord blood cells is associated to maternal arsenic exposure and decreased birth weight.

Sylvie Remy, Eva Govarts, Liesbeth Bruckers, Melissa Paulussen, Britt Wens, Elly Den Hond, Vera Nelen, Willy Baeyens, Nicolas van Larebeke, Ilse Loots and 2 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 2 pooled it
9.6field-weighted citation impact, top 2% 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

18 citing papers in PubMed, 2 syntheses or guidelines pooled it, 38 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Article
  5. Article
  6. Update of the risk assessment of inorganic arsenic in food.EFSA journal. European Food Safety Authority · 2024
    Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Clinical epigenetics · 2018
    Article
  12. Article
  13. Article
  14. Article
  15. Combined Effects of Prenatal Exposures to Environmental Chemicals on Birth Weight.International journal of environmental research and public health · 2016
    Article
  16. Article
  17. Review
  18. 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 at 6 institutions in 2 countries.

Sylvie RemyEnvironmental Risk and Health, Flemish Institute for Technological Research (VITO), Mol, Belgium; Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.
Eva GovartsEnvironmental Risk and Health, Flemish Institute for Technological Research (VITO), Mol, Belgium.
Liesbeth BruckersInteruniversity Institute for Biostatistics and Statistical Bioinformatics, Hasselt University, Diepenbeek, Belgium.
Melissa PaulussenEnvironmental Risk and Health, Flemish Institute for Technological Research (VITO), Mol, Belgium.
Britt WensEnvironmental Risk and Health, Flemish Institute for Technological Research (VITO), Mol, Belgium; Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.
Elly Den HondEnvironmental Risk and Health, Flemish Institute for Technological Research (VITO), Mol, Belgium.
Vera NelenDepartment of Health, Provincial Institute for Hygiene, Antwerp, Belgium.
Willy BaeyensDepartment of Analytical, Environmental and Geochemistry (AEGC), Vrije Universiteit Brussel, Brussels, Belgium.
Nicolas van LarebekeDepartment of Analytical, Environmental and Geochemistry (AEGC), Vrije Universiteit Brussel, Brussels, Belgium; Department of Radiotherapy and Experimental cancer research, Ghent University, Ghent, Belgium.
Ilse LootsDepartment Sociology, Faculty of Political and Social Sciences, University of Antwerp, Antwerp, Belgium.
Isabelle SioenDepartment of Public Health, Ghent University, Ghent, Belgium; FWO Research Foundation, Brussels, Belgium.
Greet SchoetersEnvironmental Risk and Health, Flemish Institute for Technological Research (VITO), Mol, Belgium; Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium; Department of Environmental Medicine, University of Southern Denmark, Odense, Denmark.
Flemish Institute for Technological Research · BEUniversity of Antwerp · BEVrije Universiteit Brussel · BEHasselt University · BEProvincial Institute for Hygiene · BEResearch Foundation - Flanders · BE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

There is increasing epidemiologic evidence that arsenic exposure in utero is associated with adverse pregnancy outcomes and may contribute to long-term health effects. These effects may occur at low environmental exposures but the underlying molecular mechanism is not clear. We collected cord blood samples of 183 newborns to identify associations between arsenic levels and birth anthropometric parameters in an area with very low arsenic exposure. Our core research aim was to screen for transcriptional marks that mechanistically explain these associations. Multiple regression analyses showed that birth weight decreased with 47 g (95% CI: 16-78 g) for an interquartile range increase of 0.99 μg/L arsenic. The model was adjusted for child's sex, maternal smoking during pregnancy, gestational age, and parity. Higher arsenic concentrations and reduced birth weight were positively associated with changes in expression of the sFLT1 (soluble fms-like tyrosine kinase-1) gene in cord blood cells in girls. The protein product of sFLT1 is a scavenger of vascular endothelial growth factor (VEGF) in the extracellular environment and plays a key role in the inhibition of placental angiogenesis. In terms of fetal development, inhibition of placental angiogenesis leads to impaired nutrition and hence to growth retardation. Various genes related to DNA methylation and oxidative stress showed also changed expression in relation to arsenic exposure but were not related to birth outcome parameters. In conclusion, this study suggests that increased expression of sFLT1 is an intermediate marker that points to placental angiogenesis as a pathway linking prenatal arsenic exposure to reduced birth weight.

Indexed as

Gene Expression Regulation, EnzymologicArsenicBirth WeightCohort StudiesDNA MethylationFemaleFetal BloodHumansInfant, NewbornMaleMaternal ExposureOxidative StressPregnancyVascular Endothelial Growth Factor Receptor-1ArsenicFLT1 protein, humanVascular Endothelial Growth Factor Receptor-1

Identifiers

PMID24664213
PMCPMC3963915
OpenAlexW1979238122

What OpenQuestion holds

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LicenceCC BY
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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.