Evidence map›Paper›PMID 30851484›Full record

ArticleEnvironment international2019

Placental metal concentrations in relation to placental growth, efficiency and birth weight.

Tracy Punshon, Zhigang Li, Brian P Jackson, W Tony Parks, Megan Romano, David Conway, Emily R Baker, Margaret R Karagas

Open access · goldAbstract read
In one paragraph

Article in Environment international, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
4.1field-weighted citation impact, top 6% 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

36 citing papers in PubMed, 71 citations in OpenAlex.

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  18. The Placental Function Beyond Pregnancy: Insights from Latin America.Advances in experimental medicine and biology · 2023
    Review
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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

8 authors at 3 institutions in 1 country.

Tracy PunshonDartmouth College, Department of Biology, 78 College Street, Hanover, NH 03755, USA. Electronic address: tracy.punshon@dartmouth.edu.
Zhigang LiGeisel School of Medicine, Dartmouth College, Hanover, NH 03755, USA.
Brian P JacksonDartmouth College, Department of Earth Sciences, 6105 Sherman Fairchild Hall, Hanover, NH 03755, USA.
W Tony ParksDartmouth College, Department of Biology, 78 College Street, Hanover, NH 03755, USA; Dartmouth Hitchcock Medical Center, 1 Medical Center Drive, Lebanon, NH, USA.
Megan RomanoGeisel School of Medicine, Dartmouth College, Hanover, NH 03755, USA.
David ConwayConcord Hospital, Concord, NH, USA.
Emily R BakerDartmouth Hitchcock Medical Center, 1 Medical Center Drive, Lebanon, NH, USA.
Margaret R KaragasGeisel School of Medicine, Dartmouth College, Hanover, NH 03755, USA.
Dartmouth College · USConcord Hospital · USDartmouth–Hitchcock Medical Center · US

Funding

Translational Engineering in Cancer (TEC)P30CA023108 · NCI · DARTMOUTH COLLEGE · PI Fred W Kolling IV · 1985 to 2026
$91.3M
VARIATION IN BIOACCUMULATION AND BIOMAGNIFICATION OF METALS IN NORTHERN US LAKESP42ES007373 · NIEHS · DARTMOUTH COLLEGE · PI STANTON, BRUCE A. · 1995 to 2019
$52.0M
Relation Between In-utero Vitamin D and Immune Function in Early Childhood P20GM104416 · NIGMS · DARTMOUTH COLLEGE · PI KARAGAS, MARGARET RITA · 2013 to 2022
$23.7M
Project 3: Placental Biomarkers of Exposure and Outcome (Marsit)P01ES022832 · NIEHS · DARTMOUTH COLLEGE · PI MURRAY, CAROLYN J · 2013 to 2018
$4.7M
Mediation Analysis Methods to Model Human Microbiome Mediating Disease-Leading Causal Pathways in ChildrenR01GM123014 · NIGMS · UNIVERSITY OF FLORIDA · PI LI, ZHIGANG · 2017 to 2021
$2.1M
NCI NIH HHS P30 CA023108NIEHS NIH HHS P01 ES022832NIEHS NIH HHS P42 ES007373NIGMS NIH HHS P20 GM104416NIGMS NIH HHS R01 GM123014
6 · The paper itself

Abstract

The quality of the intrauterine environment, in which the placenta plays a critical role, affects birth outcomes and lifelong health. The effect of metal contaminants on the growth and functioning of the placenta have not been widely reported but may provide insights into how metal exposures lead to these outcomes. We examined relationships between placental concentrations of cadmium (Cd), arsenic (As), mercury (Hg) and lead (Pb) and measures of placental growth and functioning (placental weight, placental efficiency (the log ratio of placental weight and birth weight), chorionic disc area and disc eccentricity) as part of the New Hampshire Birth Cohort Study (N = 1159). We additionally examined whether these associations were modified by placental concentrations of essential elements zinc (Zn) and selenium (Se). Associations were evaluated using generalized linear models. Multivariable-adjusted differences in placental weight were - 7.81 g (95% CI: -15.42, -2.48) with every ng/g increase in the Cd concentration of placenta (p-Value = 0.0009). Greater decrements in placental weight and efficiency associated with placental Cd were observed for females. For placentae with below median Zn and Se concentrations, decrements in placental weight were - 8.81 g (95% CI: -16.85, -0.76) and - 13.20 g (95% CI: -20.70, -5.70) respectively. The Cd concentration of placenta was also associated with reductions in placental efficiency both overall, and in Zn- and Se-stratified models. No appreciable differences were observed with other elements (As, Hg or Pb) and with other placental measures (chorionic disc area and disc eccentricity). In structural equation models, placental weight was a mediator in the relation between placental Cd concentration and reduced birth weight. Our findings suggest a role of interacting essential and contaminant elements on birth weight that may be mediated by changes in the growth and function of the placenta.

Indexed as

PlacentationAdultArsenicBirth WeightCohort StudiesEnvironmental MonitoringEnvironmental PollutantsFemaleHumansInfant, NewbornMaternal ExposureMaternal-Fetal ExchangeMetalsPlacentaPregnancyYoung AdultArsenicEnvironmental PollutantsMetalsArsenicCadmiumEfficiencyPlacentaSeleniumWeightZinc

Identifiers

PMID30851484
PMCPMC6475117
OpenAlexW2922102452

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.