Evidence map›Paper›PMID 33126849›Full record

ArticleBMC pregnancy and childbirth2020

Association between HLA-A gene polymorphism and early-onset preeclampsia in Chinese pregnant women early-onset.

Yuanyuan Zheng, Cui Ma, Xiaowei Liu, Shaowen Wu, Weiyuan Zhang, Shenglong Zhao

Open access · goldAbstract read
In one paragraph

Article in BMC pregnancy and childbirth, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.5field-weighted citation impact, top 28% 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

3 citing papers in PubMed, 5 citations in OpenAlex.

  1. [Association betweenZhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2023
    Article
  2. Article
  3. Review
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

6 authors at 1 institution in 1 country.

Yuanyuan ZhengDepartment of Obsterics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, No.251 Yaojiayuan Road, Chaoyang District, 100026, Beijing, China.
Cui MaDepartment of Obsterics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, No.251 Yaojiayuan Road, Chaoyang District, 100026, Beijing, China.
Xiaowei LiuDepartment of Obsterics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, No.251 Yaojiayuan Road, Chaoyang District, 100026, Beijing, China.
Shaowen WuDepartment of Obsterics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, No.251 Yaojiayuan Road, Chaoyang District, 100026, Beijing, China.
Weiyuan ZhangDepartment of Obsterics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, No.251 Yaojiayuan Road, Chaoyang District, 100026, Beijing, China. zhangwy9921@hotmail.com.ORCID http://orcid.org/0000-0003-0720-851X
Shenglong ZhaoDepartment of Obsterics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, No.251 Yaojiayuan Road, Chaoyang District, 100026, Beijing, China.
Capital Medical University · CN

Funding

National Key Research and Development Program of China 2016YFC1000403
6 · The paper itself

Abstract

backgroundPreeclampsia is an idiopathic disease during pregnancy. This study explores the correlation between HLA-A polymorphism and the onset of preeclampsia.

methodsThe Illumina HiSeq2500 sequencing platform was used to genotyping HLA-A allele in venous blood DNA of 50 preeclampsia pregnant women and 48 normal pregnant women and umbilical cord blood DNA of their children of Han nationality in China. The frequencies and distributions of alleles and genotypes among the mothers and their children were compared between the two groups. The differences of frequencies and distributions of genotypes were compared between the two groups according to the mothers' genotype compatibility.

resultsTwenty HLA-A alleles were detected in preeclampsia pregnant women and normal pregnant women; 21 HLA-A alleles were found in preeclampsia group fetuses and 22 HLA-A alleles in control group fetuses. There was no statistical difference in the HLA-A genes' frequency between the two groups of pregnant women and their fetuses. When the sharing antigen was 1, the number of maternal-fetal pairs in the preeclampsia group was more than that in the control group; the difference was statistically significant (P < 0.05). The frequency of neither mother nor fetus carrying the HLA-A * 24: 02 gene in the preeclampsia group was significantly lower than that in the control group (P < 0.05). HLA-A gene homozygosity in fetuses of early-onset preeclampsia group was substantially higher than that of the control group (P = 0.0148); there is no significant difference in pregnant women's genes homozygosity between early-onset preeclampsia group and the control group.

conclusionsHLA-A * 24: 02 may be a susceptibility gene for early preeclampsia.

Indexed as

Genetic Predisposition to DiseaseAdultAllelesAsian PeopleCase-Control StudiesChinaFemaleFetal BloodGene FrequencyGenotyping TechniquesHistocompatibility, Maternal-FetalHistocompatibility TestingHLA-A24 AntigenHumansPolymorphism, GeneticPre-EclampsiaHLA-A*24:02 antigenHLA-A24 AntigenHLA-A polymorphismHuman leukocyte antigenPreeclampsia

Identifiers

PMID33126849
PMCPMC7602355
OpenAlexW3094642847

What OpenQuestion holds

Textmetadata
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.