Evidence map›Paper›PMID 28825981›Full record

ArticleEnvironmental research2017

Development and application of a novel method to characterize methylmercury exposure in newborns using dried blood spots.

Niladri Basu, Jenny W L Eng, Marie Perkins, Andrea Santa-Rios, Gordana Martincevic, Krystin Carlson, Richard L Neitzel

Open access · greenAbstract readValidation Study
In one paragraph

Article in Environmental research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
2.5field-weighted citation impact, top 12% 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

10 citing papers in PubMed, 28 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Review
  5. Article
  6. Review
  7. Review
  8. Neonatal Lead (Pb) Exposure and DNA Methylation Profiles in Dried Bloodspots.International journal of environmental research and public health · 2020
    Article
  9. Review
  10. 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 2 countries.

Niladri BasuFaculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada; Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA. Electronic address: niladri.basu@mcgill.ca.
Jenny W L EngFaculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada.
Marie PerkinsFaculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada.
Andrea Santa-RiosFaculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada.
Gordana MartincevicFaculty of Agricultural and Environmental Sciences, McGill University, Montreal, Quebec, Canada.
Krystin CarlsonDepartment of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
Richard L NeitzelDepartment of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
McGill University · CAUniversity of Michigan–Ann Arbor · US

Funding

ENVIRONMENTAL TOXICOLOGY PRE/POST DOCTORAL RES.TRAININGT32ES007062 · NIEHS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI Justin Adam Colacino · 1985 to 2026
$10.5M
NIEHS NIH HHS T32 ES007062
6 · The paper itself

Abstract

backgroundMethylmercury (MeHg) is a pollutant of global concern. While there is a need to gauge early-life exposures, there remain outstanding ethical, financial, and practical challenges with using the preferred biomarker, whole blood, notably in pregnant women, infants, toddlers, and children. Dried bloodspots (DBS) may help overcome some of these challenges. Notably DBS are collected from newborns in many jurisdictions offering an institutionalized platform to efficiently characterize exposures.

objectiveTo develop, validate, and apply a new method to measure MeHg levels in DBS with a specific aim to use this method to increase understanding of newborn exposures.

methodsMethod development and validation was pursued by consulting U.S. EPA Method 1630 and other resources. The method was applied to measure MeHg levels in DBS from newborns (n = 675) from the Michigan BioTrust for Health program.

resultsThe assay's detection limit (0.3μg/L), accuracy (96-115% of expected), precision, linearity, and range met performance criteria guidelines. In the newborn DBS samples, the mean (SD) and geometric mean values of MeHg were 1.46 (0.90) and 1.25μg/L respectively, and ranged from 0.09 to 9.97μg/L. The values we report here are similar to cord blood mercury values reported elsewhere.

conclusionsThis is the first characterization of MeHg exposure in newborns, and thus fills an important data gap as prior studies have focused on pregnant women, cord blood, or toddlers. This method helps overcome technical challenges associated with other proposed approaches, and moving ahead there is great promise for applying this DBS-based method for population-level surveillance, particularly in resource-limited settings and for children's health.

Indexed as

Environmental ExposureChromatography, GasDried Blood Spot TestingEnvironmental MonitoringEnvironmental PollutantsHumansInfant, NewbornMethylmercury CompoundsSpectrometry, FluorescenceEnvironmental PollutantsMethylmercury CompoundsBiomonitoringBloodspotsExposure scienceMercuryMethods developmentPregnancyPublic healthSurveillance

Identifiers

PMID28825981
PMCPMC6309537
OpenAlexW2747688521

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.