Evidence map›Paper›PMID 35100981›Full record

ArticleBMC pregnancy and childbirth2022

Expression profiles and functions of ferroptosis-related genes in the placental tissue samples of early- and late-onset preeclampsia patients.

Nana Yang, Qianghua Wang, Biao Ding, Yingying Gong, Yue Wu, Junpei Sun, Xuegu Wang, Lei Liu, Feng Zhang, Danli Du and 1 more

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in BMC pregnancy and childbirth, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
7.6field-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

24 citing papers in PubMed, 44 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors at 1 institution in 1 country.

Nana Yang *Reproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Qianghua Wang *Anhui Province Key Laboratory of Immunology in Chronic Diseases, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Biao DingReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Yingying GongReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Yue WuReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Junpei SunReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Xuegu WangReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Lei LiuReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Feng ZhangReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China.
Danli DuReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China. dudanli0224@163.com.
Xiang LiReproductive Medicine Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233004, Anhui, China. xiangli@bbmc.edu.cn.
First Affiliated Hospital of Bengbu Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe accumulation of reactive oxygen species (ROS) resulting from upregulated levels of oxidative stress is commonly implicated in preeclampsia (PE). Ferroptosis is a novel form of iron-dependent cell death instigated by lipid peroxidation that likely plays an important role in PE pathogenesis. This study aimed to investigate the expression profiles and functions of ferroptosis-related genes (FRGs) in early-onset preeclampsia (EOPE) and late-onset preeclampsia (LOPE).

methodsGene expression data and clinical information were downloaded from the Gene Expression Omnibus (GEO) database. The "limma" R package was used to screen differentially expressed genes. Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) and protein-protein interaction (PPI) network analyses were conducted to investigate the bioinformatics functions and molecular interactions of significantly different FRGs. Quantitative reverse transcription polymerase chain reaction (RT-qPCR) was used to verify the expression of hub FRGs in PE.

resultsA total of 4215 differentially expressed genes (DEGs) were identified between EOPE and preterm cases while 556 DEGs were found between LOPE and term controls. Twenty significantly different FRGs were identified in EOPE subtypes, while only 3 FRGs were identified in LOPE subtypes. Functional enrichment analysis revealed that the differentially expressed FRGs were mainly involved in EOPE and enriched in hypoxia- and iron-related pathways, such as the response to hypoxia, iron homeostasis and iron ion binding process. PPI network analysis and verification by RT-qPCR resulted in the identification of the following five FRGs of interest: FTH1, HIF1A, FTL, MAPK8 and PLIN2.

conclusionsEOPE and LOPE have distinct underlying molecular mechanisms, and ferroptosis may be mainly implicated in the pathogenesis of EOPE. Further studies are necessary for deeper inquiry into placental ferroptosis and its role in the pathogenesis of EOPE.

Indexed as

Gene Expression ProfilingAdultApoferritinsDown-RegulationFemaleFerritinsFerroptosisHumansHypoxia-Inducible Factor 1, alpha SubunitMitogen-Activated Protein Kinase 8OxidoreductasesPerilipin-2PlacentaPre-EclampsiaPregnancyPregnancy TrimestersApoferritinsFerritinsFTH1 protein, humanFTL protein, humanHIF1A protein, humanHypoxia-Inducible Factor 1, alpha SubunitMitogen-Activated Protein Kinase 8OxidoreductasesPerilipin-2PLIN2 protein, humanBioinformaticsEarly-onset preeclampsiaFerroptosisPreeclampsia

Identifiers

PMID35100981
PMCPMC8805258
OpenAlexW4210681670

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LicenceCC BY
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Registered trials

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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.