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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Nur77-deficiency in bone marrow-derived macrophages modulates inflammatory responses, extracellular matrix homeostasis, phagocytosis and tolerance

ABSTRACT: The nuclear orphan receptor Nur77 (NR4A1, TR3, or NGFI-B) has been shown to exhibit an anti-inflammatory function in macrophages. To further elucidate the role of Nur77 in macrophage physiology, we compared the transcriptome of bone marrow-derived macrophages (BMM) from wild-type (WT) and Nur77-knockout (KO) mice both before and after stimulation with IL4 or LPS. Comparison of gene expression in bone marrow-derived macrophages, isolated from 3 wild-type (control) and 3 Nur77-/- mice (case), left untreated or stimulated in triplicate for 8 hours with LPS or IL-4

ORGANISM(S): Mus musculus

SUBMITTER: Perry Moerland

PROVIDER: E-GEOD-68167 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Nur77-deficiency in bone marrow-derived macrophages modulates inflammatory responses, extracellular matrix homeostasis, phagocytosis and tolerance

Project description:The nuclear orphan receptor Nur77 (NR4A1, TR3, or NGFI-B) has been shown to exhibit an anti-inflammatory function in macrophages. To further elucidate the role of Nur77 in macrophage physiology, we compared the transcriptome of bone marrow-derived macrophages (BMM) from wild-type (WT) and Nur77-knockout (KO) mice both before and after stimulation with IL4 or LPS.

2016-03-01 | GSE68167 | GEO

Nuclear receptor Nur77 limits the macrophage inflammatory response by reprogramming mitochondrial metabolism (ChIP-seq)

Project description:Activation of macrophages by inflammatory stimuli leads to reprogramming of mitochondrial metabolism to support the production of pro-inflammatory cytokines. Hallmarks of this metabolic rewiring are downregulation of α-ketoglutarate formation via isocitrate dehydrogenase (IDH) and accumulation of glutamine-derived succinate, which enhances the inflammatory response via the activity of succinate dehydrogenase (SDH). Here, we identify the nuclear receptor Nur77 (Nr4a1) as a key regulator of the pro-inflammatory metabolic switch in macrophages. Nur77-deficient macrophages fail to downregulate IDH expression and accumulate higher levels of succinate and other downstream TCA cycle metabolites in response to an inflammatory stimulus. Consequently, these macrophages produce more nitric oxide and pro-inflammatory cytokines in an SDH-dependent manner. In vivo, bone marrow Nur77 deficiency exacerbates atherosclerosis development and leads to increased systemic succinate levels. In conclusion, Nur77 supports an anti-inflammatory metabolic state in macrophages that protects against chronic inflammatory diseases such as atherosclerosis.

2018-08-21 | GSE102393 | GEO

Nuclear receptor Nur77 limits the macrophage inflammatory response by reprogramming mitochondrial metabolism (RNA-seq)

2018-08-21 | GSE102359 | GEO

Conservation and divergence in Toll-like receptor 4-regulated gene expression in primary human versus mouse macrophages

Project description:This SuperSeries is composed of the following subset Series: GSE19482: Transcriptional responses of human monocyte-derived macrophages (HMDM) to lipopolysaccharide (LPS) GSE19490: Transcriptional responses of mouse BMM and TEPM to lipopolysaccharide (LPS) GSE19765: Transcriptional responses of human monocyte-derived macrophages (HMDM) to lipopolysaccharide (LPS) - Illumina arrays GSE19766: Transcriptional responses of mouse bone marrow-derived macrophages (BMM) to lipopolysaccharide (LPS) - Illumina arrays Refer to individual Series

2012-03-28 | E-GEOD-19492 | biostudies-arrayexpress

Nur77 overexpression in mouse skeletal muscle

Project description:We isolated total RNA from gastrocnemius muscle of wildtype and muscle-specific Nur77 overexpressing transgenic mice to identify Nur77-mediated changes in gene expression. Findings confirmed changes in genes involved in carbohydrate metabolism and muscle development. 2 replicate Illumina Single Color Mouse WG-6_V2_0 chips were used. 6 wildtype and 6 transgenic mice overexpressing Nur77 in skeletal muscle were used. RNA was isolated by Trizol and further purified through RNEasy column. RNA from 2 mice were pooled, for a total of 6 samples -- 3 wildtype and 3 transgenic. The same samples were split into two technical replicate chips. Each chip contains 3 wildtype and 3 transgenic samples.

2015-02-04 | E-GEOD-65585 | biostudies-arrayexpress

Nur77 overexpression in mouse skeletal muscle

2015-02-04 | GSE65585 | GEO

RNA-Seq of murine CD4 positive T cells isolated from Nur77-deficient mice and their Nur77-competent counterparts

Project description:Endogenous changes in the nuclear encoded genes were analysed using RNA-Seq in order to compare the genetic profile of murine CD4 positive T cells isolated from Nur77-deficient mice and their Nur77-competent counterparts.

2018-07-30 | GSE114912 | GEO

Transcriptional responses of mouse bone marrow-derived macrophages (BMM) to lipopolysaccharide (LPS) - Illumina arrays

Project description:These microarrays were performed for use in a genome-wide scan for LPS-regulated genes in mouse macrophages, in order to construct a list of LPS-regulated genes for detailed interrogation on custom microarrays (see GSE19490 for custom array analysis). Mouse macrophages (bone marrow-derived macrophages, BMM) were stimulated with the TLR4 agonist, lipopolysaccharide, over a time course (0, 0.5, 2, 6, 24h) and analysed in biological duplicate by commercial Illumina microarray.

2012-03-28 | E-GEOD-19766 | biostudies-arrayexpress

Knock out Nur77 - Gene regulation studies in different organs

Project description:Nur77 is an orphan member of the nuclear receptor superfamily that is expressed in various types of cells and mediates diverse biological processes. The knock out Nur77 has a mutation in exon 2. Ligands of the nuclear receptor are unknown. Keywords: Dual colour hybridisation on cDNA microarrays, Nur77, Knock out

2007-04-01 | GSE7016 | GEO

Effect of Nur77 on gene expression in white adipose tissue of fasted mice.

Project description:The aim was to study the effects of Nur77 on the white adipose tissue transcriptome after fasting. For this purpose we performed gene expression profiling of white adipose tissue from Nur77-/- mice and wildtype (Nur77+/+) littermates submitted to prolonged fasting using microarray analysis on >27k elements cDNA microarrays.

2012-11-09 | E-MEXP-3771 | biostudies-arrayexpress

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