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1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development

ABSTRACT: 1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development

PROVIDER: PRJNA767024 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16097900_1.fastq.gz	Fastqsanger.gz
	SRR16097900_2.fastq.gz	Fastqsanger.gz
	SRR16097901_1.fastq.gz	Fastqsanger.gz
	SRR16097901_2.fastq.gz	Fastqsanger.gz
	SRR16097858_1.fastq.gz	Fastqsanger.gz

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1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development

Project description:1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development

| PRJNA769112 | ENA

1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development.

Project description:Identification of physiological modulators of nuclear hormone receptor (NHR) activity is paramount for understanding the link between metabolism and transcriptional networks that orchestrate development and cellular physiology. Using libraries of metabolic enzymes alongside their substrates and products, we identify 1-deoxysphingosines as modulators of the activity of NR2F1 and 2 (COUP-TFs), which are orphan NHRs that are critical for development of the nervous system, heart, veins, and lymphatic vessels. We show that these non-canonical alanine-based sphingolipids bind to the NR2F1/2 ligand-binding domains (LBDs) and modulate their transcriptional activity in cell-based assays at physiological concentrations. Furthermore, inhibition of sphingolipid biosynthesis phenocopies NR2F1/2 deficiency in endothelium and cardiomyocytes, and increases in 1-deoxysphingosine levels activate NR2F1/2-dependent differentiation programs. Our findings suggest that 1-deoxysphingosines are physiological regulators of NR2F1/2-mediated transcription.

| S-EPMC8628544 | biostudies-literature

1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development

Project description:We identified 1-deoxysphingosine as a ligand for NR2F1 and NR2F2. To prove physiological relevance after in vitro binding assay we used different strategies to manipulate levels of 1-deoxysphingosines and canonical sphingosines in cardiomyocytes derived from human embrynonic stem cells. These manipulations included treating cells with sphingolipid biosynthesis inhibitors (myriocin), adding 1-deoxysphingosines to culture media or induced expression of the Sptlc1 HSAN mutant C133W to enhance 1-deoxysphingosine synthesis by cardiomyocytes.

2021-10-21 | GSE184913 | GEO

1-deoxysphingolipids bind to COUP-TF to modulate lymphatic and cardiac cell development

Project description:We identified 1-deoxysphingosine as a ligand for NR2F1 and NR2F2. To prove physiological relevance after in vitro binding assay we investigated the role of NR2F1 and NR2F2 in cardiomyocyte differentiation. We also used different strategies to manipulate levels of 1-deoxysphingosines and canonical sphingosines in cardiomyocytes derived from human embryonic stem cells. Here we generated both single knockout of NR2F2 and double knockouts of NR2F1 and NR2F2 in human embryonic stem cell line H9. The differentiation of WT, KO and DKO lines into cardiomyocytes was then compared by single-cell RNA-seq analysis.

2021-10-08 | GSE185456 | GEO

Orphan nuclear receptor COUP-TFII enhances myofibroblasts glycolysis leading to kidney fibrosis

Project description:Recent studies demonstrated that metabolic disturbance, such as augmented glycolysis, contributes to fibrosis. The molecular regulation of this metabolic perturbation in fibrosis, however, has been elusive. COUP-TFII (also known as NR2F2) is an important regulator of glucose and lipid metabolism. Its contribution to organ fibrosis is undefined. Here, we found increased COUP-TFII expression in myofibroblasts in human fibrotic kidneys, lungs, kidney organoids, and mouse kidneys after injury. Genetic ablation of COUP-TFII in mice resulted in attenuation of injury-induced kidney fibrosis. A non-biased proteomic study revealed the suppression of fatty acid oxidation and the enhancement of glycolysis pathways in COUP-TFII overexpressing fibroblasts. Overexpression of COUP-TFII in fibroblasts induced augmented glycolysis and production of alpha smooth muscle actin (αSMA) and collagen1. Knockout of COUP-TFII decreased glycolysis and collagen1 levels in fibroblasts. Chip-qPCR revealed the binding of COUP-TFII on the promoter of PGC1α. Overexpression of COUP-TFII reduced the cellular level of PGC1α. Targeting COUP-TFII serves as a novel treatment approach for mitigating fibrosis in chronic kidney disease and potentially fibrosis in other organs.

2021-04-27 | PXD024035 | Pride

Genes regulated by COUP-TFII inhibitor

Project description:The orphan nuclear receptor COUP-TFII is expressed at a low level in adult tissues, but its expression is increased and shown to promote progression of multiple diseases including prostate cancer, heart failure and muscular dystrophy. Suppression of COUP-TFII slows disease progression, making it an intriguing therapeutic target. Here, we identified a potent and specific COUP-TFII inhibitor through high-throughput screening. The inhibitor specifically suppressed COUP-TFII activity to regulate its target genes.

2020-05-12 | GSE142475 | GEO

Expression profile of COUP-TFII overexpressing hearts

Project description:Increased COUP-TFII levels are found in human dilated cardiomyopathy as well as in mouse models that develop cardiomyopathy. COUP-TFII overexpression in adult mouse hearts caused ventricular dilation and compromised cardiac functions. To gain insights on COUP-TFII’s effect in hearts, we identified the molecular profile of COUP-TFII overexpressing hearts through microarray analysis. The result may shred light on molecular mechanisms that mediate development of dilated cardiomyopathy.

2015-07-24 | GSE63759 | GEO

Expression profile of COUP-TFII overexpressing mouse ventral midbrain

Project description:Elevated COUP-TFII levels are found in Parkinson’s disease. COUP-TFII overexpression in mouse dopaminergic neurons caused neurodegeneration. The goal of this study is to identify molecular mechanisms of COUP-TFII-mediated cell death through RNAseq.

2020-05-29 | GSE132874 | GEO

Expression data from control and COUP-TFII siRNA treated PC3 cells

Project description:COUP-TFII, a member of the nuclear receptor superfamily plays a critical role in angiogenesis and organogenesis during embryonic development. Our results indicate that COUP-TFII expression is profoundly upregulated in prostate cancer patients and might serves as biomarker for recurrence prediction. Thus we conduct transcriptome comparison of control and COUP-TFII depleted PC3 cells to gain genomic insights on the biological processes that COUP-TFII is involved in prostate cancer cells. Ingenuity Pathway Analysis (IPA) shows that the most prominent altered pathways in the COUP-TFII depleted cells are related to cell growth; cell cycle progression and DNA damage response. Indeed many growth related genes including E2F1, p21, CDC25A, Cyclin A and Cyclin B are changed in COUP-TFII knockdown cells, suggesting that COUP-TFII might be an important regulator for prostate cancer cell growth. Further functional assays from cells and mice genetic studies confirm the hypothesis that COUP-TFII serve as the major regulator to control prostrate cancer growth. Together, results provide insight into the role of COUP-TFII in prostate tumorigenesis.

2011-10-25 | GSE33182 | GEO

Expression data from control and COUP-TFII siRNA treated HUVEC cells

Project description:COUP-TFII plays a critical role in angiogenesis during development. It has also been shown to suppress Notch signaling pathway to confer vein identity. However, the downstream targets and the mechanism mediate COUP-TFII function to regulate these processes remain elusive. To identify the downstream targets and the mechanism by which COUP-TFII regulates agiogenesis and vein specification, we knocked down COUP-TFII in HUVEC cells using COUP-TFII specific siRNA and used microarray analysis to identify downstream targets. Interestingly, we found the expression of many genes in the cell cycle pathway and Notch signaling pathway are significantly altered in the COUP-TFII depleted cells.

2011-10-28 | GSE33301 | GEO

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