IRF8 defines the epigenetic landscape in postnatal microglia, thereby directing their transcriptome programs - additional datasets
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ABSTRACT:
PROVIDER: PRJNA1107149 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28873000_1.fastq.gz | Fastqsanger.gz | |||
| SRR28873000_2.fastq.gz | Fastqsanger.gz | |||
| SRR28875800_1.fastq.gz | Fastqsanger.gz | |||
| SRR28875800_2.fastq.gz | Fastqsanger.gz | |||
| SRR28873001_1.fastq.gz | Fastqsanger.gz |
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Project description:IRF8 defines the epigenetic landscape in postnatal microglia, thereby directing their transcriptome programs
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2023-06-01 | GSE231406 | GEO
Project description:To understand the differentiation program in monocyte/macrophage differentiation, we performed ChIP-seq for IRF8 and H3K4me1 together with gene expression profiling during IRF8-induced monocyte differentiation. Both promoter-proximal and -distal binding of IRF8 associated with induction of the genes especially those related to monocytes/macrophages and immunity. DNA motif analysis for cis-regulatory elements of indirect IRF8 target genes predicted KLF4, essential for Ly6C+ monocyte development, to be a downstream transcription factor regulating the indirect target gene expression. Introduction of KLF4 into an Irf8-/- myeloid progenitor cell line induced a subset of IRF8 target genes and partially induced monocyte/macrophage differentiation. Together, this study revealed the genome-wide behavior of IRF8 and the IRF8-KLF4 axis during monocyte differentiation. Gene expressions in monocyte-like cells differentiated by IRF8 or KLF4 were measured at day 4 after retroviral transductions to myeloid progenitor cell line, Tot2. Two independent experiments were performed.
2013-01-24 | E-GEOD-38810 | biostudies-arrayexpress
Project description:The transcription factor (TF) interferon regulatory factor 8 (IRF8) controls both developmental and inflammatory stimulus-inducible genes in macrophages, but the mechanisms underlying these two different functions are largely unknown. One possibility is that these different roles are linked to the ability of IRF8 to bind alternative DNA sequences. We found that IRF8 is recruited to distinct sets of DNA consensus sequences before and after lipopolysaccharide (LPS) stimulation. In resting cells, IRF8 was mainly bound to composite sites together with the master regulator of myeloid development PU.1. Basal IRF8M-bM-^@M-^SPU.1 binding maintained the expression of a broad panel of genes essential for macrophage functions (such as microbial recognition and response to purines) and contributed to basal expression of many LPS-inducible genes. After LPS stimulation, increased expression of IRF8, other IRFs, and AP-1 family TFs enabled IRF8 binding to thousands of additional regions containing low-affinity multimerized IRF sites and composite IRFM-bM-^@M-^SAP-1 sites, which were not premarked by PU.1 and did not contribute to the basal IRF8 cistrome. While constitutively expressed IRF8-dependent genes contained only sites mediating basal IRF8/PU.1 recruitment, inducible IRF8-dependent genes contained variable combinations of constitutive and inducible sites. Overall, these data show at the genome scale how the same TF can be linked to constitutive and inducible gene regulation via distinct combinations of alternative DNA-binding sites. Chromatin immuno-precipitations of transcription factors IRF8, IRF1, PU.1, STAT1, STAT2 and of H3 lysine 27 acetylated followed by multiparallel sequencing, performed in bone marrow-derived macrophages from wild type (WT) and BXH2/TyJ mice. Cells were treated with lipopolysaccharide (LPS) for 2 or 4 hours, or interferon b (IFNb) for 30 or 60 minutes, 2 or 4 hours, or left unstimulated.
2015-01-30 | E-GEOD-56121 | biostudies-arrayexpress
Project description:Transcriptional profiling of IRF8-regulated genes in mouse CD11b-positive primary cells. CD11b-positive cells were isolated from spleens of age-matched wt and IRF8 KO mice, the compared for their gene expression profiles. The objective is to identify genes that are regulated by IRF8 in CD11b-positive primary cells. Two-condition experiments. Wt vs IRF8 KO cells. Biological replicates: 2 replicates for the comparison.
2011-10-19 | E-GEOD-31464 | biostudies-arrayexpress
Project description:IThe transcription factor (TF) interferon regulatory factor 8 (IRF8) controls both developmental and inflammatory stimulus-inducible genes in macrophages, but the mechanisms underlying these two different functions are largely unknown. One possibility is that these different roles are linked to the ability of IRF8 to bind alternative DNA sequences. We found that IRF8 is recruited to distinct sets of DNA consensus sequences before and after lipopolysaccharide (LPS) stimulation. In resting cells, IRF8 was mainly bound to composite sites together with the master regulator of myeloid development PU.1. Basal IRF8M-bM-^@M-^SPU.1 binding maintained the expression of a broad panel of genes essential for macrophage functions (such as microbial recognition and response to purines) and contributed to basal expression of many LPS-inducible genes. After LPS stimulation, increased expression of IRF8, other IRFs, and AP-1 family TFs enabled IRF8 binding to thousands of additional regions containing low-affinity multimerized IRF sites and composite IRFM-bM-^@M-^SAP-1 sites, which were not premarked by PU.1 and did not contribute to the basal IRF8 cistrome. While constitutively expressed IRF8-dependent genes contained only sites mediating basal IRF8/PU.1 recruitment, inducible IRF8-dependent genes contained variable combinations of constitutive and inducible sites. Overall, these data show at the genome scale how the same TF can be linked to constitutive and inducible gene regulation via distinct combinations of alternative DNA-binding sites. Bone marrow cells isolated from C57BL/6 or BXH2/TyJ mice were plated in 10 cm plates in 5ml of BM-medium (high glucose DMEM supplemented with 20% low endotoxin fetal bovine serum, 30% L929-conditioned medium, 1% glutamine, 1%, Pen/Strep, 0.5% Sodium Pyruvate, 0.1% M-NM-2-mercaptoethanol). Cultures were fed with 2.5 ml of fresh medium every two days. Macrophages were subjected to different treatment (see individual samples for details). Total RNA was extracted from 5x106 cells using RNAeasy kit (Qiagen). Libraries were prepared from 1-2 M-BM-5g of RNA, after oligo-dT selection, using the TruSeq RNA sample preparation kit (Illumina).
2015-01-30 | E-GEOD-56122 | biostudies-arrayexpress
Project description:The transcription factor (TF) interferon regulatory factor 8 (IRF8) controls both developmental and inflammatory stimulus-inducible genes in macrophages, but the mechanisms underlying these two different functions are largely unknown. One possibility is that these different roles are linked to the ability of IRF8 to bind alternative DNA sequences. We found that IRF8 is recruited to distinct sets of DNA consensus sequences before and after lipopolysaccharide (LPS) stimulation. In resting cells, IRF8 was mainly bound to composite sites together with the master regulator of myeloid development PU.1. Basal IRF8–PU.1 binding maintained the expression of a broad panel of genes essential for macrophage functions (such as microbial recognition and response to purines) and contributed to basal expression of many LPS-inducible genes. After LPS stimulation, increased expression of IRF8, other IRFs, and AP-1 family TFs enabled IRF8 binding to thousands of additional regions containing low-affinity multimerized IRF sites and composite IRF–AP-1 sites, which were not premarked by PU.1 and did not contribute to the basal IRF8 cistrome. While constitutively expressed IRF8-dependent genes contained only sites mediating basal IRF8/PU.1 recruitment, inducible IRF8-dependent genes contained variable combinations of constitutive and inducible sites. Overall, these data show at the genome scale how the same TF can be linked to constitutive and inducible gene regulation via distinct combinations of alternative DNA-binding sites.
2015-01-30 | GSE56121 | GEO
Project description:IThe transcription factor (TF) interferon regulatory factor 8 (IRF8) controls both developmental and inflammatory stimulus-inducible genes in macrophages, but the mechanisms underlying these two different functions are largely unknown. One possibility is that these different roles are linked to the ability of IRF8 to bind alternative DNA sequences. We found that IRF8 is recruited to distinct sets of DNA consensus sequences before and after lipopolysaccharide (LPS) stimulation. In resting cells, IRF8 was mainly bound to composite sites together with the master regulator of myeloid development PU.1. Basal IRF8–PU.1 binding maintained the expression of a broad panel of genes essential for macrophage functions (such as microbial recognition and response to purines) and contributed to basal expression of many LPS-inducible genes. After LPS stimulation, increased expression of IRF8, other IRFs, and AP-1 family TFs enabled IRF8 binding to thousands of additional regions containing low-affinity multimerized IRF sites and composite IRF–AP-1 sites, which were not premarked by PU.1 and did not contribute to the basal IRF8 cistrome. While constitutively expressed IRF8-dependent genes contained only sites mediating basal IRF8/PU.1 recruitment, inducible IRF8-dependent genes contained variable combinations of constitutive and inducible sites. Overall, these data show at the genome scale how the same TF can be linked to constitutive and inducible gene regulation via distinct combinations of alternative DNA-binding sites.
2015-01-30 | GSE56122 | GEO