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RNA sequencing analysis of decidua tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

ABSTRACT: RNA sequencing analysis of decidua tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

PROVIDER: PRJNA453989 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7075111_1.fastq.gz	Fastqsanger.gz
	SRR7075111_2.fastq.gz	Fastqsanger.gz
	SRR7075112_1.fastq.gz	Fastqsanger.gz
	SRR7075112_2.fastq.gz	Fastqsanger.gz
	SRR7075113_1.fastq.gz	Fastqsanger.gz

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Epigenome analysis of decidua tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

Project description:Genome wide DNA methylation profiling of decidua samples from unexplained recurrent spontaneous abortion patients and controls with induced abortions. The Infinium Human Methylation 850K BeadChip was used to obtain DNA methylation profiles across approximately 853,307 CpGs in decidua samples . Samples included 2 normal pregnant women (non-medical reasons for abortion) and 4 unexplained recurrent spontaneous abortion patients.

2018-07-12 | GSE113600 | GEO

Epigenome analysis of decidua tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

Project description:Epigenome analysis of decidua tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

| PRJNA453194 | ENA

RNA sequencing analysis of decidua tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

Project description:Recurrent spontaneous abortion (RSA), defined as the failure of two or more consecutive clinical pregnancies before 20 weeks of gestation, affects approximately 1% of couples attempting to conceive. However, the underlying mechanisms of 50% of cases are unknown. The decidua plays a crucial role during pregnancy, which can provide a delicate balance between immune tolerance and defense to maintain the pregnancy.We performed RNA-seq to identify gene expression alterations in the deciduas of RSA patients and controls. RNA-seq was done using TruSeq Stranded mRNA Library Preparation. Briefly, intact RNA was fragmented, end repaired, adapter ligation and PCR amplified following illumina protocol. Libraries were sequencing by illumins Hiseq 2000. After quality control, sequence data were processed with STAR to generate read alignments with hg19. Raw read counts for annotated genes were obtained with featureCounts with default settings, normalized and analyzed using DEseq2.

2018-07-12 | GSE113790 | GEO

RNA Sequencing Analysis of villus tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

Project description:RNA Sequencing Analysis of villus tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

| PRJNA499121 | ENA

Comparative proteomics analysis of decidua tissues in early recurrent pregnancy loss

Project description:The project aimed to determine proteomics changes in decidua from patients suffering from unexplained early recurrent pregnancy loss (RPL) compared to women undergoing elective abortions. Comparative proteomics analysis by label-free data-independent LC-MS/MS was performed on fresh frozen decidua tissues from 19 RPL patients and 10 controls. Samples from EPL patients were preselected to include only patients with 2 or more recurrent pregnancy losses (RPL), no previous live birth, gestational week from 6-10 weeks and excluded fetal chromosomal abnormalities. Control samples were from women without history of previous miscarriage, ectopic pregnancy or preterm delivery, with at least one live born child, at 6-10 gestational weeks and without fetal chromosomal abnormalities. Patients and controls had no significant differences regarding age (Median age RPL = 30; Median age Controls = 34; Mann–Whitney U-test p = 0.082). The mean gestational weak (GW) was 7.9±1.0 weeks in the RPL group and 8.3±1.2 weeks in the control group, without statistically significant difference between groups (Median GW RPL = 8; Median GW Controls = 8; Mann–Whitney U-test p = 0.361).

2024-06-12 | PXD048340 | Pride

Mouse placenta in spontaneous abortion

Project description:Genetic profiles of mouse placenta were examined especially at the implantation sites of causing spontaneous abortion at day 14.5 of pregnancy. There is a number of the suffered patients from the recurrent spontaneous abortion by unknown causes. It is an important process to understand genetic profiles in the abortion placentas for the investigation of specific causes to induce rejection of normal embryos from the maternal attack. Our study was carried out on the laboratory mice targeted spontaneous abortion to approximate human disease models.

2010-08-21 | GSE23737 | GEO

Single cell transcriptome analysis of decidua macrophages in normal and recurrent spontaneous abortion patients

Project description:We isolated CD14+CD45+ dMΦ from the normal or RSA decidua by flow cytometry, followed by single cell RNA sequencing (scRNA-seq). In total, 23,062 single-cell transcriptomes of macrophage were profiled (12,470 Normal and 10,592 RSA), which were divided into 13 major clusters via T-distributed stochastic neighbor embedding (t-SNE) visualization.

2024-03-21 | GSE169269 | GEO

RNA Sequencing Analysis of villus tissues from unexplained recurrent spontaneous abortion patients and controls with induced abortions

Project description:Recurrent spontaneous abortion (RSA), defined as the failure of two or more consecutive clinical pregnancies before 20 weeks of gestation, affects approximately 1% of couples attempting to conceive. However, the underlying mechanisms of 50% of cases are unknown. The villus plays a crucial role during pregnancy, which can provide a delicate balance between immune tolerance and defense to maintain the pregnancy.We performed RNA-seq to identify gene expression alterations in the villus of RSA patients and controls. RNA-seq was done using TruSeq Stranded mRNA Library Preparation. Briefly, intact RNA was fragmented, end repaired, adapter ligation and PCR amplified following illumina protocol. Libraries were sequencing by illumins Hiseq 2000. After quality control, sequence data were processed with STAR to generate read alignments with hg19. Raw read counts for annotated genes were obtained with featureCounts with default settings, normalized and analyzed using DEseq2.

2018-11-27 | GSE121950 | GEO

Low chorionic villous succinate accumulation associates with recurrent spontaneous abortion risk

Project description:Dysregulated extravillous trophoblast invasion and proliferation are known to increase the risk of recurrent spontaneous abortion (RSA); however, the underlying mechanism remains unclear. Herein, in our retrospective observational case-control study we show that villous samples from RSA patients, compared to healthy controls, display reduced succinate dehydrogenase complex iron sulfur subunit (SDHB) DNA methylation, elevated SDHB expression, and reduced succinate levels, indicating that low succinate levels correlate with RSA. Moreover, we find high succinate levels in early pregnant women are correlated with successful embryo implantation. SDHB promoter methylation recruited MBD1 and excluded c-Fos, inactivating SDHB expression and causing intracellular succinate accumulation which mimicked hypoxia in extravillous trophoblasts cell lines JEG3 and HTR8 via the PHD2-VHL-HIF-1α pathway; however, low succinate levels reversed this effect and increased the risk of abortion in mouse model. This study reveals that abnormal metabolite levels inhibit extravillous trophoblast function and highlights an approach for RSA intervention.

2021-10-06 | MTBLS2148 | MetaboLights

Comprehensive Analysis of circRNAs, miRNAs, and mRNAs Expression Profiles and ceRNA Networks in Decidua of Unexplained Recurrent Spontaneous Abortion.

Project description:The diagnosis and treatment of unexplained recurrent spontaneous abortion (URSA) are subject to debate, because the exact underlying mechanisms remain unclear. To address this issue, we elucidated the expression profiles of dysregulated circRNAs, miRNAs, and mRNAs and constructed circRNA-associated competitive endogenous RNA (ceRNA) networks by comparing the decidua of URSA with that of normal early pregnancy (NEP) using RNA-sequencing. In total, 550 mRNAs, 88 miRNAs, and 139 circRNAs were differentially expressed (DE) in decidua of URSA. Functional annotation revealed that DE mRNAs as well as potential target genes of DE miRNAs and DE circRNAs are mainly involved in immunologic function, such as antigen processing and presentation, allograft rejection, and T cell receptor signaling pathway. In addition, the top hub genes, including CCL4, DDX58, CXCL10, CXCL9, MX1, CD44, RPS2, SOCS3, RPS3A, and CXCL11, were identified. The mRNAs involved in ceRNA network were enriched in complement and coagulation cascades and protein processing in the endoplasmic reticulum. We found that circRNAs in the ceRNA network, which acted as decoys for hsa-miR-204-5p, were positively correlated with MFGE8 expression. Collectively, the results demonstrated that circRNAs, miRNAs, and mRNAs were aberrantly expressed in the decidua of patients with URSA and played a potential role in the development of URSA. Thus, the establishment of the ceRNA network may profoundly affect the diagnosis and therapy of URSA in the future.

| S-EPMC9194479 | biostudies-literature

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