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Angiogenic patterning by STEEL, an endothelial-enriched long noncoding RNA

ABSTRACT: Angiogenic patterning by STEEL, an endothelial-enriched long noncoding RNA

OTHER RELATED OMICS DATASETS IN: GSE108321PXD008581

PROVIDER: PRJNA423100 | ENA |

REPOSITORIES: ENA

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Angiogenic patterning by STEEL, an endothelial-enriched long noncoding RNAAngiogenic patterning by STEEL, an endothelial-enriched long noncoding RNA

Project description:Endothelial cell (EC)-enriched protein coding genes, such as endothelial nitric oxide synthase (eNOS), define quintessential EC-specific physiologic functions. It is not clear whether long noncoding RNAs (lncRNAs) also define cardiovascular cell-type specific phenotypes, especially in the vascular endothelium. Here, we report the existence of a set of EC-enriched lncRNAs and define a role for STEEL (spliced transcript – endothelial enriched lncRNA) in angiogenic potential, macrovascular/microvascular identity and shear stress responsiveness. STEEL is expressed from the terminus of the HOXD locus and is transcribed antisense to HOXD transcription factors. STEEL RNA increases the number and integrity of de novo perfused microvessels in an in vivo model and augments angiogenesis in vitro. The STEEL RNA is polyadenylated, nuclear-enriched and has microvascular predominance. Functionally, STEEL regulates a number of genes in diverse endothelial cells. Of interest, STEEL upregulates both eNOS and the transcription factor Kruppel-like factor 2 (KLF2), and is subject to feedback inhibition by both eNOS and shear-augmented KLF2. Mechanistically, STEEL upregulation of eNOS and KLF2 is transcriptionally mediated, in part, via interaction of chromatin-associated STEEL with the poly-ADP ribosylase, PARP1. For instance, STEEL recruits PARP1 to the KLF2 promoter. This work identifies a role for EC-enriched lncRNAs in the phenotypic adaptation of ECs to both body position and hemodynamic forces, and establishes a newer role for lncRNAs in the transcriptional regulation of EC identity.

2018-02-28 | PXD008581 | Pride

Angiogenic patterning by STEEL, an endothelial-enriched long noncoding RNA.

Project description: Not available

| S-EPMC5877935 | biostudies-literature

Angiogenic patterning by STEEL, an endothelial-enriched long noncoding RNA

Project description:This SuperSeries is composed of the SubSeries listed below.

2018-03-30 | GSE108321 | GEO

Comparison of STEEL siRNA-treated and control siRNA-treated human endothelial cells

Project description:To determine the role of STEEL in endothelial cell (EC) gene regulation, gene expression analysis was conducted on control and STEEL siRNA-treated human dermal microvascular endothelial cells (HMVECs) and human umbilical vein endothelial cells (HUVECs). A total of 225 protein-coding genes were downregulated and 80 were upregulated when both EC types were grouped for analysis. In HMVEC alone, 544 protein-coding genes were downregulated and 218 were upregulated. In HUVEC alone, 177 protein-coding genes were downregulated and 125 were upregulated. Prominently, STEEL siRNA depletion results in the downregulation of two notable protein-coding genes, eNOS and KLF2, which are modulated in ECs subjected to continuous laminar shear stress.

2018-03-30 | GSE108262 | GEO

HEK NICD AP-MS - Notch signaling is a core patterning module for vascular morphogenesis, which co-determines the sprouting behaviour of endothelial cells (ECs)

Project description:Notch signaling is a core patterning module for vascular morphogenesis, which co-determines the sprouting behaviour of endothelial cells (ECs). Tight quantitative and temporal control of Notch activity is essential for vascular development, yet the details of Notch regulation in ECs are incompletely understood. We found that ubiquitin-specific peptidase 10 (USP10) interacted with the NOTCH1 intracellular domain (NICD1) to slow the ubiquitin-dependent turnover of this short-lived form of the activated NOTCH1 receptor. Accordingly, inactivation of USP10 reduced NICD1 abundance and stability, and diminished Notch-induced target gene expression in ECs. In mice, loss of endothelial Usp10 increased vessel sprouting and partially restored the patterning defects caused by ectopic expression of NICD1. Thus, USP10 functions as an NICD1 deubiquitinase, which fine-tunes endothelial Notch responses during angiogenic sprouting.

2019-04-11 | PXD013192 | Pride

Assessment Of Long Noncoding RNA CCAT1 In Colorectal Cancer Patients

Project description:1. Evaluate the diagnostic value of long noncoding RNA (CCAT1) expression by RT-PCR in peripheral blood in colorectal cancer patients versus normal healthy control personal. 2. Evaluate the clinical utility of detecting long noncoding RNA (CCAT1) expression in diagnosis of colorectal cancer patients & its relation to tumor staging. 3. Evaluate the clinical utility of detecting long noncoding RNA (CCAT1) expression in precancerous colorectal diseases. 4. Compare long noncoding RNA (CCAT1) expression with traditional marker; carcinoembryonic antigen (CEA) and Carbohydrate antigen 19-9 (CA19-9) in diagnosis of colorectal cancer.

| 2330122 | ecrin-mdr-crc

Mechanical strain controls endothelial patterning during angiogenic sprouting.

Project description: Not available

| S-EPMC3760594 | biostudies-literature

Pro-angiogenic transcriptome of zebrafish endothelial cells

Project description:Pro-angiogenic transcriptome of zebrafish endothelial cells

| PRJNA541913 | ENA

Long Noncoding RNA MANTIS Facilitates Endothelial Angiogenic Function.

Project description: Not available

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ERG activity is regulated by endothelial FAK coupling with TRIM25/USP9x in vascular patterning

Project description:Precise vascular patterning is critical for normal growth and development. The ERG transcription factor drives Delta like ligand 4 (DLL4)/Notch signalling and is thought to act as pivotal regulators of endothelial cell (EC) dynamics and developmental angiogenesis. However, molecular regulation of ERG activity remains obscure. Using a series of EC specific Focal Adhesion Kinase (FAK)-knockout (KO) and point-mutant FAK-knockin mice, we show that loss of ECFAK, its kinase activity or phosphorylation at FAK-Y397, but not FAK-Y861, reduces ERG and DLL4 expression levels together with concomitant aberrations in vascular patterning. Rapid Immunoprecipitation Mass Spectrometry of Endogenous Proteins identified that endothelial nuclear-FAK interacts with the de-ubiquitinase USP9x and the ubiquitin ligase TRIM25 enzymes. Further in silico analysis corroborates that ERG interacts with USP9x and TRIM25. Moreover, ERG levels are reduced in FAKKO ECs via a ubiquitin-mediated post-translational modification programme involving USP9x and TRIM25. Re-expression of ERG in vivo and in vitro rescues the aberrant vessel sprouting defects observed in the absence of ECFAK. Our findings identify ECFAK as a regulator of retinal vascular patterning by controlling ERG protein degradation via TRIM25/USP9x.

2022-07-05 | PXD033447 | Pride

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