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A genetic variant controls interferon-β gene expression in human myeloid cells by preventing C/EBP-β binding on a conserved enhancer

ABSTRACT: A genetic variant controls interferon-β gene expression in human myeloid cells by preventing C/EBP-β binding on a conserved enhancer

PROVIDER: PRJNA565763 | ENA |

REPOSITORIES: ENA

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A genetic variant controls interferon-β gene expression in human myeloid cells by preventing C/EBP-β binding on a conserved enhancer

Project description:Interferon beta is a central cytokine in the antiviral response and the immunogenicity of cancer therapies. In monocytes, its expression is modulated by a 60 kb downstream eQTL. We found that this eQTL disrupts binding of the C/EBP-β transcription factor to an enhancer interacting with the IFNB1 promoter. This enhancer, that we have called FIRE for Far IFNB1 Regulatory Enhancer, is conserved in murine myeloid cells, where its looping to Ifnb1 is increased in a genetic model of Ifnb1 deregulation. Precisely, we show that in murine myeloid cells, the TRIM33 chromatin reader partially co-localizes with CTCF and cohesin on the chromatin, and knocking out Trim33 reinforces a loop between Ifnb1 and FIRE.

2020-10-09 | GSE137514 | GEO

A study of the effect of OxLDL on C/EBP beta binding in human macrophages using chromatin immunoprecipitation for C/EBP beta with high throughput sequencing (ChIP-seq)

Project description:We report the C/EBP beta transcription factor binding landscape in human macrophages and oxLDL-induced foam cells ChIP-seq for C/EBP beta binding was performed in human macrophages and oxLDL induced-foam cells with quadruple biological replicates

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Mst1-mediated phosphorylation of FoxO1 and C/EBP-β Stimulates Cell-protective Mechanisms in Cardiomyocytes

Project description:The molecular mechanisms by which FoxO transcription factors mediate diametrically opposite cellular responses, namely death and survival, remain unknown. Mst1 phosphorylates FoxO1 Ser209/Ser215/Ser218/Thr228/Ser232/Ser243, thereby inducing nuclear translocation of FoxO1 in cardiomyocytes. Mst1 inhibits the FoxO1-mediated transcription of proapoptotic genes but promotes that of prosurvival genes. Mst1 increases FoxO1-C/EBP-β interaction and phosphorylates C/EBP-β at Thr299, thereby promoting transcription of prosurvival genes. Myocardial ischemia/reperfusion (I/R) injury was larger in cardiac-specific FoxO1 knockout (c-FoxO1–/–) mice than in control mice. However, the concurrent presence of C/EBP-β T299E phospho-mimetic mutation reduced infarct size in c-FoxO–/– mice. The C/EBP-β phospho-mimetic mutant exhibited a higher binding to the promoter of prosurvival genes compared to wild-type C/EBP-β. In conclusion, phosphorylation of FoxO1 by Mst1 inhibits the binding of FoxO1 to pro-apoptotic gene promoters but enhances its binding to C/EBP-β, phosphorylation of C/EBP-β, and transcription of prosurvival genes, which stimulate protective mechanisms in the heart.

2022-09-12 | GSE213010 | GEO

Gene Expression analysis of stomachs of a C/EBP beta knockout (KO) mouse model

Project description:In order to identify genes that are potentially regulated by the transkription factor C/EBP beta in the stomach, we have performed a microarray-based profiling of the genome-wide mRNA expression of C/EBP beta KO mouse stomach and compared it to wildtype (WT) littermates.

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A study of the effect of OxLDL on C/EBP beta binding in human macrophages using chromatin immunoprecipitation for C/EBP beta with high throughput sequencing (ChIP-seq)

Project description:We report the C/EBP beta transcription factor binding landscape in human macrophages and oxLDL-induced foam cells

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A genetic variant controls interferon-? gene expression in human myeloid cells by preventing C/EBP-? binding on a conserved enhancer.

Project description: Not available

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A transphyletic approach to analyzing evolutionarily conserved β-catenin modules

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2023-07-08 | PXD035167 | JPOST Repository

Illinois EBP Pilot

Project description:Illinois EBP Pilot

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Interferon-Beta Gene Transfer (Ad.hIFN-β) as Treatment for Refractory Colorectal Carcinoma With Liver Metastases

Project description:This study will be conducted in subjects with refractory colorectal carcinoma with unresectable liver metastases. The purposes of the study are: * to evaluate the safety and any harmful effects of an intravenous injection of Ad.hIFN-β; * help determine whether the virus carrying the interferon-beta gene will enter the bloodstream and liver tumor cells and cause the cancer cells to die.

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ChIP-Seq analysis of transcription factors CREB and C/EBP beta in vasopressin-responsive mouse renal collecting duct mpkCCD cells

Project description:Vasopressin, a peptide hormone, controls renal water excretion, largely through regulation of water channel aquaporin-2 (AQP2) in the renal collecting duct. There are two regulatory mechanisms of AQP2: 1) short-term regulation by membrane trafficking of AQP2; and 2) long-term regulation involving vasopressin-induced changes of protein abundance of AQP2 through regulation of gene transcription and protein half-life. Vasopressin binds a G protein-coupled receptor (V2R) activating a cyclic AMP/protein kinase A (PKA) signaling pathway. Sequentially, after activation of cAMP/PKA signaling, many of transcription factors involve gene transcription process. cAMP-response element binding protein (CREB) and cAMP-responsive transcription factor C/EBP beta are potential candidates for vaopressin-mediated regulation of Aqp2 gene transcription proviously reported. In the present study, genome-wide binding sites for two b-ZIP transcription factors CREB and C/EBP beta were identified in vasopressin-responsive mouse collecting duct mpkCCD cells using ChIP-Seq.

2018-03-26 | GSE98076 | GEO

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