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Inhibition of endothelial Notch signaling attenuates inflammation

ABSTRACT: Inhibition of endothelial Notch signaling attenuates inflammation

PROVIDER: PRJNA339936 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR4340380.fastq.gz	Fastqsanger.gz
	SRR4340381.fastq.gz	Fastqsanger.gz
	SRR4340382.fastq.gz	Fastqsanger.gz
	SRR4340383.fastq.gz	Fastqsanger.gz
	SRR4340384.fastq.gz	Fastqsanger.gz

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Inhibition of endothelial Notch signaling attenuates inflammation [ChIP-Seq]

Project description:Vascular endothelial cells upregulate the Notch ligand Jagged1 in response to inflammatory activation. Here we show that abrogation of endothelial Notch1 signaling impairs induction of key inflammatory target genes. Accordingly, inducible endothelial-targeted knockout of the canonical Notch transcription factor RBPJ reduces inflammation in a murine model of contact hypersensitivity, while overexpression of constitutive active Notch1 has the opposite effect. We show that the proinflammatory role of Notch1 can be attributed to direct genomic priming of the inflammatory landscape involving crosstalk with NF-κB/RelA and selective activation of enhancers associated with Notch-dependent inflammatory genes. This is the first evidence that canonical Notch signaling supports endothelial activation in response to inflammatory cytokines on the chromatin level.

2018-08-29 | GSE87552 | GEO

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Project description:Inhibition of endothelial Notch signaling attenuates inflammation [ChIP-Seq]

| PRJNA345175 | ENA

Inhibition of endothelial Notch signaling attenuates inflammation

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

2018-08-29 | GSE85987 | GEO

Inhibition of netosis with PAD inhibitor attenuates endotoxin shock induced systemic inflammation

Project description:Neutrophils play a pivotal role in innate immunity and participate in a range of immunological disorders. Excessive neutrophil extracellular traps formed at infection and tissue damage sites are detrimental to the local tissue and further exacerbate inflammation. Protein arginine deiminases mediate histone citrullination and NET formation thereby regulating endotoxin shock response. However, the molecular mechanisms are less known. Here we report that inhibition of netosis attenuates inflammation in a LPS induced lethal endotoxic shock model in mice. Albeit a higher number of neutrophils are accumulated in peritoneal cavity the primary inflammatory site, the level of inflammatory signals is greatly reduced after netosis inhibition with a PAD inhibitor. In lungs under endotoxic stress, gene expression analyses indicate that LPS induced a drastic increase in inflammatory gene expression. In contrast, lung tissue damage and inflammation were much reduced after PAD inhibition to reduce netosis. In summary, we found NET formation inhibition as a new avenue to manage inflammatory damages under endotoxic stress.

2022-12-01 | GSE203340 | GEO

Genome wide analysis of differential gene expression of PFKFB3 under- or overexpression upon inhibition or activation of notch signaling in endothelial cells

Project description:Analysis of gene expression profiles upon PFKFB3 under- or overexpression during inhibition or activation of notch signaling. With this experiment we aimed to identify whether alterations in PFKFB3 could influence the expression pattern of angiogenic genes in conditions that favor a tip- or stalk cell gene signature. Total RNA was collected of human umbilical vein endothelial cells either under- or overexpressing PFKFB3 and/ or have inhibited or activated notch signaling respectively. Cells were harvested 48h after manipulation of PFKFB3 and notch levels.

2013-08-01 | E-GEOD-45750 | biostudies-arrayexpress

Notch signaling rapidly regulates the expression of the small GTPase RND1 and a diverse endothelial transcriptome

Project description:Endothelial Notch signaling regulates transcription of many downstream effectors controlling sprouting, migration, proliferation, barrier formation, and other phenotypes. However, endothelial-relevant Notch targets are largely uncharacterized. Few are studied in depth, and many transient, early response Notch targets are yet to be described. We therefore determined the Notch early response transcriptional profile in several experimentally relevant in vivo and in vitro contexts: ligand-specific or EGTA-induced Notch activation in different primary endothelial cells, and gamma secretase-mediated Notch inhibition in neonatal brain endothelium in a RiboTag mouse model. The intersection of these profiles reveals a core set of early Notch-responsive targets. Among these are effectors in GPCR signaling, not previously implicated downstream of Notch signaling. We demonstrate the Rho GTPase RND1 is a direct Notch transcriptional target and required for Notch control of sprouting angiogenesis, endothelial migration and Ras activity.

2022-01-11 | GSE163568 | GEO

Loss of Vascular Endothelial Notch Signaling Induces Tertiary Lymphoid Structures in the Kidney

Project description:Tertiary lymphoid structures (TLS are lymph node-like immune cell clusters that emerge during chronic inflammation in non-lymphoid organs like the kidney, but their origin remains not well understood. Here we show, using conditional deletion strategies of the canonical Notch signaling mediator Rbpj, that loss of endothelial Notch signaling in adult mice induces the spontaneous formation of bona fide TLS in the kidney, liver and lung, based on molecular, cellular and structural criteria. These TLS form in a stereotypical manner around parenchymal arteries, while secondary lymphoid structures remained largely unchanged. This effect is mediated by endothelium of blood vessels, but not lymphatics, since a lymphatic endothelial-specific targeting strategy did not result in TLS formation, and involves loss of arterial specification and concomitant acquisition of a high endothelial cell phenotype, as shown by transcriptional analysis of kidney endothelial cells. This indicates a so far unrecognized role for vascular endothelial cells and Notch signaling in TLS initiation.

2022-02-24 | GSE193544 | GEO

Endothelial Shp2 deficiency controls alternative activation of macrophage preventing radiation-induced lung injury through Notch signaling

Project description:Radiation-induced lung injury is a common late side-effect of thoracic radiotherapy. The inflammatory microenvironment plays a key role in this process. Endothelial cells are the goalkeeper of inflammation. Endothelial dysfunction following leukocytes infiltrated is a prominent feature in the pathogenesis of radiation-induced lung injury. Tyrosine phosphatase Shp2 is a key regulator of endothelial functions and inflammation. Here, we established a clinical-mimicking mouse model of radiation-induced lung injury and found that Shp2 activity was elevated in endothelium after injury. Mice with endothelium-specific Shp2 deletion showed relieved collagen deposition along with disrupted radiation-induced Jag1 expression in the endothelium. Furthermore, endothelium-derived Jag1 activated the alternative activation of macrophages in vitro and in vivo by paracrine Notch signaling. Consistently, Notch pathway was significant activated by chest irradiation in the peripheral blood leukocytes of cancer patients. Collectively, this is the first demonstration of radiation-induced lung injury regulation by endothelial Shp2. Shp2 participates in the radiation-induced endothelial dysfunction and subsequently inflammatory microenvironment producing.

2021-12-18 | GSE191056 | 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

Endothelial TGFβ signaling drives vascular inflammation and atherosclerosis [scRNA-Seq]

Project description:Endothelial TGFβ signaling is one of the primary drivers of atherosclerosis-associated vascular inflammation. Inhibition of endothelial TGFβ signaling in hyperlipidemic mice reduces vessel wall inflammation and vascular permeability and leads to arrest of disease progression and regression of established lesions. We performed scRNAseq method to examine endothelial cell gene expression profile using Apoe and EC specific TGFbR1/2 KO in Apoe background mice.

2019-08-26 | GSE134557 | GEO

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