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Expression data from Inferior Vena Cava ligation in WT and Cd39-/- mice

ABSTRACT: Expression data from Inferior Vena Cava ligation in WT and Cd39-/- mice

PROVIDER: PRJNA518099 | ENA |

REPOSITORIES: ENA

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Expression data from Inferior Vena Cava ligation in WT and Cd39-/- mice

Project description:Leukocyte flux contributes to thrombus formation in deep veins under pathologic conditions, but mechanisms which inhibit venous thrombosis are incompletely understood. Ectonucleotide di(tri)phosphohydrolase 1 (ENTPD1 or Cd39), an ectoenzyme which catabolizes extracellular adenine nucleotides, is embedded on the surface of endothelial cells and leukocytes. We hypothesized that under venous stasis conditions CD39 regulates inflammation at the vein:blood interface in a murine model of deep vein thrombosis. Gene expression profiling of WT and Cd39-null mice revealed 76 differentially-expressed inflammatory genes that were significantly upregulated in Cd39-deleted mice after venous thrombosis; and validation experiments confirmed high expression of several key inflammatory mediators.

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RNA-Seq of FACS-sorted, KIR-CD39-,KIR+CD39- and KIR+CD39+, Uterine NK cells (uNK cells) from human decidual samples

Project description:Uterine NK cells (uNK cells) form a distinct immune cell population in the endometrium and decidua. Here, we FACS-sorted KIR-CD39-,KIR+CD39- and KIR+CD39+ uNK cells from decidual samples.

2021-02-19 | E-MTAB-8709 | biostudies-arrayexpress

A prospective, single-center, randomized controlled study of the effect of high or low ligation of the inferior mesenteric artery on postoperative bowel function in patients undergoing laparoscopic total mesangial resection for rectal cancer

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Comparison of human CD39- and CD39+ thymus-derived regulatory T-cells

Project description:CD39- and CD39+ human thymus-derived regulatory T-cells (tTreg) present as distinct subsets with specific functional and metabolic response patterns. Both cell types express equal levels of the canonical tTreg transcription factors FOXP3 and Helios and overexpression studies have shown that CD39 expression is independent of these two transcription factors. So far, no transcriptomic analyses to adress these differences have been performed. We used microarrays to detail the global programme of gene expression between CD39- and CD39+ human tTreg and identified distinct classes of up-regulated and down-regulated genes between these two subsets.

2020-07-02 | GSE131743 | GEO

The CD90+CD39+ and CD90+CD39- fibroblast subtypes in human hypertrophic scar and normal skin

Project description:To explore the functional difference between CD90+CD39+ and CD90+CD39- fibroblasts in human hypertrophic scar and normal skin, the gene expresson microarray was performed on Live CD49f- E-Cadherin- Lin- CD45- CD31- CD90+ CD39+ and Live CD49f- E-Cadherin- Lin- CD45- CD31- CD90+ CD39- cells sorted from suspension disgested from three human hypertrophic scar samples; and Live CD49f- E-Cadherin- Lin- CD45- CD31- CD90+ CD39+ cells sorted from suspension disgested from three human normal skin samples

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Single-cell RNA sequencing on the vein wall of mouse deep vein thrombosis

Project description:Deep vein thrombosis (DVT) is a common clinical problem, but its cellular and molecular mechanisms remain incompletely understood. We performed single-cell RNA sequencing (scRNA-seq) on the vein wall of mouse inferior vena cava (IVC) ligation model of deep vein thrombosis (DVT), to analyze the transcriptomic changes in the vein wall during acute venous thrombosis.

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CD39 expression identifies terminally exhausted CD8+ T cells

Project description:Exhausted T cells express multiple co-inhibitory molecules that impair their function and limit immunity to chronic viral infection. Defining novel markers of exhaustion is important both for identifying and potentially reversing T cell exhaustion. Herein, we show that the ectonucleotidse CD39 is a marker of exhausted CD8+ T cells. CD8+ T cells specific for HCV or HIV express high levels of CD39, but those specific for EBV and CMV do not. CD39 expressed by CD8+ T cells in chronic infection is enzymatically active, co-expressed with PD-1, marks cells with a transcriptional signature of T cell exhaustion and correlates with viral load in HIV and HCV. In the mouse model of chronic Lymphocytic Choriomeningitis Virus infection, virus-specific CD8+ T cells contain a population of CD39high CD8+ T cells that is absent in functional memory cells elicited by acute infection. This CD39high CD8+ T cell population is enriched for cells with the phenotypic and functional profile of terminal exhaustion. These findings provide a new marker of T cell exhaustion, and implicate the purinergic pathway in the regulation of T cell exhaustion. CD8+ T cells from subjects with HCV infection were sorted and pelleted and re-suspended in TRIzol (Invitrogen). RNA extraction was performed using the RNAdvance Tissue Isolation kit (Agencourt). Concentrations of total RNA were determined with a Nanodrop spectrophotometer or Ribogreen RNA quantification kits (Molecular Probes/Invitrogen). RNA purity was determined by Bioanalyzer 2100 traces (Agilent Technologies). Total RNA was amplified with the WT-Ovation Pico RNA Amplification system (NuGEN) according to the manufacturer's instructions. After fragmentation and biotinylation, cDNA was hybridized to HG-U133A 2.0 microarrays (Affymetrix).

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Project description:A porcine microarray study of right ventricular failure due to coronary artery ligation of the right ventricular free wall and subsequent treatment of right ventricular failure by volume unloading using a shunt between superior vena cava and the pulmonary artery (Glenn-shunt) 1. Surgical preparation with a 12 mm graft between superior vena cava and pulmonary artery, the graft is then clamped - Baseline sample using a biopsy needle. 2. After surgical preparation the coronary arteries of the right ventricular free wall are ligated, then heart failure develops over 120 minutes - Failure sample using a biopsy needle. 3. The shunt is then opened and the superior vena cava closed between the shunt and right atrium, diverting the blood from superior vena cava through the shunt for a period of 15 minutes partially unloading the right ventricle - Shunt sample using a biopsy needle. A series of six pigs, three samples from each animal: baseline, failure and shunt/treatment.

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CD39

Project description:Targeting CD39 in cancer - a novel immune mechanism of action.

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PLA2G4A promotes right-sided colorectal cancer progression by inducing CD39+γδ Tregs polarization

Project description:Here, we discovered that the frequency of CD39+γδ Tregs, which positively correlated with poor prognosis, was significantly higher in right-sided colorectal cancer (RSCRC) than in the left-sided CRC (LSCRC). To explore the molecular mechanism leading to the difference of CD39+γδ Tregs derived from RSCRC and LSCRC, we collected fresh tissue samples of RSCRC with high expression of CD39+γδ Tregs and the LSCRC with low expression of CD39+γδ Tregs detected by flow cytometry and identified differential proteins by LC-MS based quantitative proteomic analysis with tandem mass tag (TMT)

2022-02-17 | PXD027323 | Pride

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