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Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function [RRBS]

ABSTRACT: Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function [RRBS]

PROVIDER: PRJNA540680 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8997070.fastq.gz	Fastqsanger.gz
	SRR8997080.fastq.gz	Fastqsanger.gz
	SRR8997090.fastq.gz	Fastqsanger.gz
	SRR8997071.fastq.gz	Fastqsanger.gz
	SRR8997081.fastq.gz	Fastqsanger.gz

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Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function [RRBS]

Project description:Transcriptomic and genome-wide DNA methylation was performed on T helper cells using RNA-sequencing and Reduced Representation Bisulfite Sequencing, respectively. Specific genome-wide DNA methylation analysis of T helper cells from women with PCOS identified 5,581 differentially methylated CpG sites. Interestingly, functional gene ontology enrichment analysis showed that genes located at the proximity of differentially methylated CpG sites belong to pathways related to reproductive function and immune cell function. However, these genes were not altered at the transcriptomic level. Our results show that PCOS is associated with global and gene-specific DNA methylation remodelling in a cell-type specific manner.

2019-08-22 | GSE130581 | GEO

Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function [RNAseq]

2019-08-22 | GSE130580 | GEO

Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function

Project description:Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function

| PRJNA540676 | ENA

Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function [RNAseq]

Project description:Epigenetic reprogramming of immune cells in women with PCOS impact genes controlling reproductive function [RNAseq]

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Proteome of follicular Fluid from lean and overweight/obese women with PCOS and that of healthy controls

Project description:Polycystic ovary syndrome (PCOS) is typically characterized by oligo or anovulation, hyperandrogenism and polycystic ovarian morphology, affecting 5-20% of women of reproductive age [1]. It has drawn significant attention as a major cause of anovulatory infertility and the syndrome of metabolic, reproductive and obstetrical disorders [2 ,+]. Due to heterogeneous clinical features and unclear pathogenesis of PCOS, the diagnosis and treatment strategies remain a matter of debate. To better understand the complex follicular development environment in PCOS, we conducted a TMT-based quantitative proteomic study to compare the composition of proteins, pathways and molecular functions of FF from lean and overweight/obese women with PCOS and that of healthy controls.

2019-10-31 | PXD013937 | Pride

Proteomic changes in adipose tissue and skeletal muscle in women with PCOS

Project description:Polycystic ovary syndrome (PCOS) is an endocrine and metabolic disorder affecting women of reproductive age. The main features of PCOS are hyperandrogenism and irregular menstrual cycles together with metabolic dysfunctions including abdominal obesity, dyslipidemia and an increased risk of developing type 2 diabetes. Despite the high prevalence of >15%, the pathophysiology of the syndrome is unclear. Gene expression array data from skeletal muscle and adipose tissue have provided some information about dysregulated metabolic pathways in women with PCOS, but the transcriptomic data need to be verified by proteomics to advance our understanding of PCOS. Skeletal muscle and adipose tissue biopsies from 10 women with PCOS and 10 controls were subjected to global proteomic analysis. Protein expression differences between cases and controls were based on Student’s t-test and corrected for multiple testing. In total, we identified 5000 proteins in adipose tissue and 3480 proteins in skeletal muscle. After correction for multiple testing, 74 proteins with q < 0.05 corresponding to 72 unique proteins were found to be differentially expressed in adipose tissue from women with PCOS versus controls. And, 123 proteins with q < 0.05 corresponding to 120 unique proteins were found to be differentially expressed in skeletal muscle from women with PCOS versus control. We then applied pathway analysis to the total protein and phosphopeptide data using PRISM and Enrichr.

2024-01-09 | PXD025358 | Pride

RRBS, RNA-seq of placenta in women with PCOS and RNA-seq of hippocampus and hypothalamus in femal rats born to PCOS rats.

Project description:Polycystic ovarian syndrome (PCOS) is characterized by hyperandrogenism, irregular ovulation and polycystic ovaries. In the present study, we utilized integrated analysis of whole transcriptome and DNA methylome by reduced representation bisulfite sequencing (RRBS) and RNA sequencing (RNA-seq) of the fetal side of placenta in women with PCOS. A cluster of neural function related genes, such as LIN7A and MAP1B, were identified with integrative analysis of methylome and transcriptome. Inflammatory disease and response process were spotlighted with GO enrichments analysis of differentially transcriptional gene cluster in PCOS, and the cellular growth and the development and function of nervous and endocrine system were also closely related to PCOS. With respect to neural function, the enriched GO terms in differential expressed gene cluster of PCOS group involved brain development, the proliferation and differentiation of neural precursor cell, neuron and neuroblast. Consistently, the enriched GO terms in differential methylated gene cluster of PCOS group were associated with neuropeptide and synaptic transmission, as well as cognition and learning or memory. As the gene expression changes in hypothalamus and hippocampus probably result in long standing neurobehavioural consequences in rodents, we conducted a global analysis of transcriptomic data of F1 pubertal female rats born to PCOS rats.

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miRNA expression data from lean PCOS adipose vs BMI matched control women

Project description:Why ~70% of women with polycystic ovary syndrome (PCOS) have intrinsic insulin resistance (IR), above and beyond that associated with body mass, including dysfunctional glucose metabolism in adipose tissue (AT), remains a fundamental question. In these experiments, we sought to explore the role of miRNAs in the AT of PCOS and matched controls. Analysis determined that PCOS AT has a differentially expressed miRNA profile, including upregulated miR-93. We observed a significant association between HOMA-IR, and GLUT4 and miR-93 expression in human AT. Our results point to a novel mechanism for regulating insulin-stimulated glucose uptake via miR-93, and demonstrate upregulated miR-93 expression in PCOS, possibly accounting for the IR of the syndrome, and also in non-PCOS women with IR. We performed miRNA microarrays to determine PCOS-related miRNA expression in adipose derived from lean PCOS patients and matched control women. We analyized miRNA from total RNA extracted from subcutaneous (sc) adipose tissue from three lean PCOS patients and three matched control women.

2012-09-06 | E-GEOD-37914 | biostudies-arrayexpress

Analysis of plasma proteome of pregnant women with polycystic ovary syndrome (PCOS

Project description:Polycystic ovary syndrome (PCOS) is the most common endocrinological disorder of fertile-aged women. PCOS has been associated with adverse pregnancy outcomes and abnormalities of the placenta. By taking a quantitative label-free quantitative proteomics approach we set out to investigate if changes in the plasma proteome of pregnant women with PCOS could elucidate the mechanisms behind the pathologies observed in PCOS pregnancies. We have performed label-free quantitative proteomics on plasma samples from pregnant women with PCOS at term (n=14) and plasma samples from pregnant control women (n = 23) matched for age, gestational length and BMI. The samples are derived from BASIC pregnancy cohort from Uppsala, Sweden. A total of 169 proteins with two or more unique peptides were identified.

2019-11-25 | PXD012034 | Pride

PCOS patients vs control subjects

Project description:This experiment was designed to study if there are differences in gene expression in the adipose tissue of women affected by polycystic ovary syndrome (PCOS) compared to non-hyperandrogenic women. PCOS is the most common endocrinopathy in women of reproductive age, and is characterized by hyperandrogenism and chronic anovulation. This disease is frequently associated with obesity, insulin resistance, and defects in insulin secretion, predisposing these women to type 2 diabetes, atherosclerosis, and cardiovascular disease. We have applied high-density oligonucleotide arrays to omental adipose tissue samples obtained from eight morbidly obese PCOS patients and seven morbidly obese non-PCOS women at the time of bariatric surgery. Keywords: Disease state analysis

2006-06-17 | GSE5090 | GEO

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