Evidence map›Paper›PMID 33693820›Full record

ArticleThe Journal of nutrition2021

Maternal Iron Deficiency Modulates Placental Transcriptome and Proteome in Mid-Gestation of Mouse Pregnancy.

Chang Cao, Miguel A Prado, Liang Sun, Shira Rockowitz, Piotr Sliz, Joao A Paulo, Daniel Finley, Mark D Fleming

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of nutrition, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
6.0field-weighted citation impact, top 4% 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

11 citing papers in PubMed, 22 citations in OpenAlex.

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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 2 institutions in 1 country.

Chang CaoDepartment of Pathology, Boston Children's Hospital, Boston, MA, USA.
Miguel A PradoDepartment of Cell Biology, Harvard Medical School, Boston, MA, USA.
Liang SunComputational Health Informatics Program, Boston Children's Hospital, Boston, MA, USA.
Shira RockowitzComputational Health Informatics Program, Boston Children's Hospital, Boston, MA, USA.
Piotr SlizComputational Health Informatics Program, Boston Children's Hospital, Boston, MA, USA.
Joao A PauloDepartment of Cell Biology, Harvard Medical School, Boston, MA, USA.
Daniel FinleyDepartment of Cell Biology, Harvard Medical School, Boston, MA, USA.
Mark D FlemingDepartment of Pathology, Boston Children's Hospital, Boston, MA, USA.
Boston Children's Hospital · USHarvard University · US

Funding

The Harvard Clinical and Translational Science CenterUL1TR002541 · NCATS · HARVARD MEDICAL SCHOOL · PI NADLER, LEE MARSHALL · 2018 to 2022
$93.0M
Mouse Neurodevelopmental Behavior CoreU54HD090255 · NICHD · BOSTON CHILDREN'S HOSPITAL · PI SAHIN, MUSTAFA · 2016 to 2020
$5.2M
Advancing Multiplexed Isobaric Tag-based Strategies for Proteome ProfilingR01GM132129 · NIGMS · HARVARD MEDICAL SCHOOL · PI PAULO, JOAO A · 2019 to 2023
$1.7M
Pediatric Pathology Translational ResearchT32HL110852 · NHLBI · BOSTON CHILDREN'S HOSPITAL · PI FLEMING, MARK D · 2012 to 2017
$1.4M
NCATS NIH HHS UL1 TR002541NHLBI NIH HHS T32 HL110852NICHD NIH HHS U54 HD090255NIGMS NIH HHS R01 GM132129
6 · The paper itself

Abstract

backgroundMaternal iron deficiency (ID) is associated with poor pregnancy and fetal outcomes. The effect is thought to be mediated by the placenta but there is no comprehensive assessment of placental responses to maternal ID. Additionally, whether the influence of maternal ID on the placenta differs by fetal sex is unknown.

objectivesTo identify gene and protein signatures of ID mouse placentas at mid-gestation. A secondary objective was to profile the expression of iron genes in mouse placentas across gestation.

methodsWe used a real-time PCR-based array to determine the mRNA expression of all known iron genes in mouse placentas at embryonic day (E) 12.5, E14.5, E16.5, and E19.5 (n = 3 placentas/time point). To determine the effect of maternal ID, we performed RNA sequencing and proteomics in male and female placentas from ID and iron-adequate mice at E12.5 (n = 8 dams/diet).

resultsIn female placentas, 6 genes, including transferrin receptor (Tfrc) and solute carrier family 11 member 2, were significantly changed by maternal ID. An additional 154 genes were altered in male ID placentas. A proteomic analysis quantified 7662 proteins in the placenta. Proteins translated from iron-responsive element (IRE)-containing mRNA were altered in abundance; ferritin and ferroportin 1 decreased, while TFRC increased in ID placentas. Less than 4% of the significantly altered genes in ID placentas occurred both at the transcriptional and translational levels.

conclusionsOur data demonstrate that the impact of maternal ID on placental gene expression in mice is limited in scope and magnitude at mid-gestation. We provide strong evidence for IRE-based transcriptional and translational coordination of iron gene expression in the mouse placenta. Finally, we discover sexually dimorphic effects of maternal ID on placental gene expression, with more genes and pathways altered in male compared with female mouse placentas.

Indexed as

Anemia, Iron-DeficiencyAnimalsFemaleGene Expression RegulationIronMiceNonheme Iron ProteinsPlacentaPregnancyPregnancy ComplicationsProteomeRNA, MessengerTranscriptomeIronNonheme Iron ProteinsProteomeRNA, Messengergene expressioniron deficiencyiron metabolismplacentaproteomics

Identifiers

PMID33693820
PMCPMC8112763
OpenAlexW3133491879

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.