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Transcriptome Analysis of Oxytocin-Treated Human Induced Pluripotent Stem Cell-Derived Epicardial Cells

ABSTRACT: Transcriptome Analysis of Oxytocin-Treated Human Induced Pluripotent Stem Cell-Derived Epicardial Cells

PROVIDER: PRJNA819986 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18484574.fastq.gz	Fastqsanger.gz
	SRR18484575.fastq.gz	Fastqsanger.gz
	SRR18484576.fastq.gz	Fastqsanger.gz
	SRR18484577.fastq.gz	Fastqsanger.gz
	SRR18484578.fastq.gz	Fastqsanger.gz

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Transcriptome Analysis of Oxytocin-Treated Human Induced Pluripotent Stem Cell-Derived Epicardial Cells

Project description:Cardiovascular disease (CVD) is one of the leading causes of mortality worldwide, and frequently leads to massive heart injury and the loss of billions of cardiac muscle cells and associated vasculature. Critical work in the last two decades demonstrated that these lost cells can be partially regenerated by the epicardium, the outermost mesothelial layer of the heart, in a process that highly recapitulates its role in heart development. Upon cardiac injury, mature epicardial cells activate and undergo an epithelial-mesenchymal transition (EMT) to form epicardial-derived progenitor cells (EpiPCs), multipotent progenitors that can differentiate into several important cardiac lineages, including cardiomyocytes and vascular cells. In mammals, this process alone is insufficient for significant regeneration, but it may be possible to prime it by administering specific reprogramming factors, leading to enhanced EpiPC function. Here, we compared changes in gene expression induced by oxytocin in epicardial cells to determine potential pro-regenerative effects.

2022-09-01 | GSE199427 | GEO

Human induced-Pluripotent Stem Cells-derived Preepicardial Cells

Project description:Bulk RNA Sequencing to Characterize Human induced-Pluripotent Stem Cells-derived Pre-epicardial Cells,the extended culture at Passage 1 and the donated H9 ESC-lined derived epicardial cells (Bao et al., 2016)

2021-06-16 | GSE148543 | GEO

Next Generation Sequencing Facilitates Quantitative Analysis of Human Primary and Pluripotent Stem Cell-Derived Epicardial Cell Transcriptomes

Project description:Next-generation sequencing (NGS) has significantly advanced the elucidation of developmental signaling mechanisms that are important for different cell lineage formation from human pluripotent stem cells (hPSCs). We report here the application of RNA-sequencing technology for transcriptome profile of human primary and hPSC-derived epicardial cell, and compare to those of other cell lineages including hPSCs, mesoderm, cardiomcyotyes. Eight epicaridal cell samples from four different hPSC lines and four different donors were performed in IIIumina HiSeq2500. The resulting sequence reads (about 20 million reads per sample) were mapped to human genome (hg19) using HISAT, and the RefSeq transcript levels (RPKMs) were quantified using the python script rpkmforgenes.py. Our RNA-seq data confirmed the stable expression of key epicardial cell markers including WT1, TBX18, TCF21, ALDH1A2 and ZO1, and the gene set enrichment analysis (GSEA) showed enrichment in extracellular matrix related pathways and keratinocyte (epithelial) differentiation. Hierarchical clustering of differentially expressed genes uncovered several as yet uncharacterized genes that may contribute to epicardial function. This study represents the first detailed analysis of epicardial transcriptomes generated by RNA-seq technology, providing insight into the mechanisms underlying the differentiation of hPSCs into epicardial cells.

2016-12-05 | GSE84085 | GEO

Nonmuscle myosin IIB regulates epicardial integrity and epicardium-derived mesenchymal cell maturation

Project description:Nonmuscle myosin IIB (NMIIB; heavy chain encoded by MYH10) is essential for cardiac myocyte cytokinesis. The role of NMIIB in other cardiac cells is not known. Here, we show that NMIIB is required in epicardial formation and functions to support myocardial proliferation and coronary vessel development. Ablation of NMIIB in epicardial cells results in disruption of epicardial integrity with a loss of E-cadherin at cell-cell junctions and a focal detachment of epicardial cells from the myocardium. NMIIB-knockout and blebbistatin-treated epicardial explants demonstrate impaired mesenchymal cell maturation during epicardial epithelial-mesenchymal transition. This is manifested by an impaired invasion of collagen gels by the epicardium-derived mesenchymal cells and the reorganization of the cytoskeletal structure. Although there is a marked decrease in the expression of mesenchymal genes, there is no change in Snail (also known as Snai1) or E-cadherin expression. Studies from epicardium-specific NMIIB-knockout mice confirm the importance of NMIIB for epicardial integrity and epicardial functions in promoting cardiac myocyte proliferation and coronary vessel formation during heart development. Our findings provide a novel mechanism linking epicardial formation and epicardial function to the activity of the cytoplasmic motor protein NMIIB.

2017-07-21 | GSE101701 | GEO

Generation of mature epicardium derived from human-induced pluripotent stem cells via inhibition of mTOR signaling

Project description:Reactivating the human epicardium post-cardiac injury holds promise for cardiac tissue regeneration. Despite successful differentiation protocols yielding pure, self-renewing epicardial cells from induced pluripotent stem cells (iPSCs), these cells maintain an embryonic, proliferative state, impeding adult epicardial reactivation investigation. We introduce an optimized method that employs mammalian target of rapamycin (mTOR) signaling inhibition in embryonic epicardium, inducing a quiescent state that enhances multi-step epicardial maturation. This yields functionally mature epicardium, valuable for modeling adult epicardial reactivation. Furthermore, we assess cardiac organoids with cardiomyocytes and mature epicardium, probing molecular mechanisms governing epicardial quiescence during cardiac maturation. Our results highlight iPSC-derived mature epicardium's potential in investigating adult epicardial reactivation, pivotal for effective cardiac regeneration. Additionally, the cardiac organoid model offers insight into intricate cardiomyocyte-epicardium interactions in cardiac development and regeneration.

2025-06-30 | GSE252590 | GEO

CDH18 is an epicardial biomarker regulating epicardial specification and differentiation towards vascular smooth muscle cells

Project description:The epicardium is a mesothelial layer covering the myocardium and contributes to different cardiac lineage descendants during cardiogenesis. Fine-tuned balanced signaling defines epicardial specification and regulates cell plasticity and cell-fate decisions of epicardial-derived cells (EPCDs) by epicardial-to-mesenchymal transition (EMT). However, powerful tools to investigate epicardial cell function, including markers with pivotal roles in developmental signaling, are still lacking. Here, we recapitulated embryonic epicardiogenesis using human induced pluripotent stem cells (hiPSCs) and identified type II classical cadherin CDH18 as a novel biomarker defining lineage specification in human developing epicardium. The loss of CDH18 led to the onset of EMT and specific differentiation towards cardiac smooth muscle cells. Furthermore, GATA4 regulated epicardial CDH18 expression. These results demonstrate the production and enrichment of hiPSC-derived epicardial cells via the tracing of CDH18 expression, providing a model for investigating epicardial function in human development and disease and enabling new possibilities for regenerative medicine.

2022-02-18 | GSE165450 | GEO

Proteomic profiling of conditioned media from Torin1-treated human iPSC-derived epicardial cells

Project description:Conditioned media from 1390C1-derived human epicardial cells treated with or without Torin1 (n = 4 biological replicates per group) were collected after a 48-hour incubation. Proteins were extracted from the samples, fragmented into peptide fragments by digestive enzymes, and proteomics analysis was performed using nanoLC-MS/MS.

| PXD064589 | JPOST Repository

Fetal cortical transcriptomic changes after oxytocin induced aberrant uterine contractility

Project description:We report changes in the fetal brain cortical transcriptome after oxytocin-induced aberrant uterine contractility using unbiased RNA-seq analysis.

2020-03-02 | GSE146155 | GEO

Epicardial Differentiation Drives Fibro-fatty Remodeling in Arrhythmogenic Cardiomyopathy [scRNA-seq]

Project description:We performed single cell RNA sequencing (scRNAseq) on epicardial cells generated from human induced pluripotent stem cells (hiPSCs) of an arrhythmogenic cardiomyopathy patient and their PKP2 reverted isogenic control. The goal of this experiment was to analyze the process of epicardial to fibro-fatty celluar differentiation in diseased cells and compare the cellular transcirptomes of diseased and healthy cells.

2021-06-20 | GSE149331 | GEO

Modeling arrhythmogenic cardiomyopathy fattyfibro pathology through the use of PKP2-deficient human iPSC-derived epicardial cells

Project description:Arrhythmogenic cardiomyopathy (ACM) is an inherited cardiac disease characterized by progressive fatty-fibro replacement of the ventricular myocardium leading to arrhythmias and an increased risk of sudden cardiac death. To date, the cell types and signaling mechanisms involved in fatty-fibro infiltration of the myocardium have yet to be fully resolved. However, given that fatty-fibro replacement is initiated within the subepicardial layer, epicardial cells are predicted to contribute to the development of this pathology. To investigate the epicardial contributions to the development of ACM, we generated human induced pluripotent stem cell (hiPSC) lines from ACM patients harboring either a PKP2 1849C>T or a PKP2 2013delC mutation alongside CRISPR/Cas9 gene-edited isogenic control lines and a PKP2 knockout line. Epicardial cells derived from patient and knockout conditions displayed enhanced epithelial-to-mesenchymal transition characteristics, dysregulated Wnt and interferon signaling, increased lipid accumulation, and an enhanced fibrotic phenotype when converted to epicardial-derived fibroblasts. Transcriptomic analysis revealed upregulation of insulin growth factor 2 (IGF2) in ACM hiPSC-EPCs as well as in human ACM heart tissue. Subsequent treatment with exogenous IGF2 enhanced expression of the adipogenic transcription factors CEBPA and PPARG in hiPSC-EPCs, suggesting insulin growth factor signaling contributes to ACM fatty-fibro remodeling.

2025-09-05 | GSE301005 | GEO

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