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Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells [ChIP data]

ABSTRACT: Chromatin status of murine blood Ly6C+ and Ly6C- monocytes indicates that both population share K4me3 marks (promoters) while Ly6C- monocytes establish de novo enhancers (K4me1, K4me2) during differentiation

ORGANISM(S): Mus musculus

PROVIDER: GSE95409 | GEO | 2017/05/15

SECONDARY ACCESSION(S): PRJNA377060

REPOSITORIES: GEO

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Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells [RNA sequence]

Project description:We show that monocyte development is accompanied by stepwise RNA expression changes and that Ly6C+ monocytes upon transfer develop into Ly6C- monocytes indicated by a comparable expression profile to host Ly6C- monocytes

2017-05-15 | GSE95411 | GEO

Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells

Project description:Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells

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Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells [Single Cell RNA sequence]

Project description:Single cell RNA sequencing of murine circulating blood monocytes under steady state conditions. 2 plates of cx3cr1-cre:rosa26YFP monocytes and 4 plates (3 plates total monocytes and 1 plate Ly6Cint monocytes) were pre-enriched by CD115-biotin MACS and afterwards FACS sorted.

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Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells

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

2017-05-15 | GSE95702 | GEO

Expression data from mouse circulating Ly6C-low subset of monocytes (patrolling monocytes)

Project description:Expression data from mouse circulating Ly6C-low subset of monocytes (patrolling monocytes)

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Expression arrays of inflammatory Ly6C+ monocytes in mice primary or secondary challenged with Listeria monocytogenes

Project description:In this study we investigated the mechanisms involved in memory T-cell mediated protection using mice vaccinated with the intracellular bacterium Listeria monocytogenes. Our working hypothesis was that rapid activation of cells of the innate immune system, in particular inflammatory Ly6C+ monocytes, were essential in effective protection, in a memory T cell-dependent manner. Thus we generated a comprehensive comparison of the genetic program of activated Ly6C+ monocytes during a primary or a secondary infection with Listeria monocytogenes, at 8 hours post challenge infection. Abstract of corresponding publication: Cells of the innate immune system are essential for host defenses against primary microbial pathogen infections, yet their involvement in effective memory responses of vaccinated individuals has been poorly investigated. Here we show that memory T cells instruct innate cells to become potent effector cells in a systemic and a mucosal model of infection. Memory T cells controlled phagocyte, dendritic cell and NK or NK T cell mobilization and induction of a strong program of differentiation, which included their expression of effector cytokines and microbicidal pathways, all of which were delayed in non-vaccinated hosts. Disruption of IFN-gamma-signaling in Ly6C+ monocytes, dendritic cells and macrophages impaired these processes and the control of pathogen growth. These results reveal how memory T cells, through rapid secretion of IFN-gamma, orchestrate extensive modifications of host innate immune responses that are essential for effective protection of vaccinated hosts. Overall design: Inflammatory monocytes were purified (see below for isolation method) from 4 groups of 3 individual mice each (triplicate): (i) uninfected mice, (ii) primary infected, (iii) secondary infected, (iv) secondary infected and T-cell depleted 1 day before. Isolation of cells was done on 3 different days for true biological replicates.

2015-06-04 | E-GEOD-58014 | biostudies-arrayexpress

Genomic characterization of murine monocytes reveals C/EBPb dependence of Ly6C-cells [ATAC data]

Project description:Analysis of open chromatin by ATAC sequencing in murine blood monocyte subsets

2017-05-15 | GSE95408 | GEO

Expression arrays of inflammatory Ly6C+ monocytes in mice primary or secondary challenged with Listeria monocytogenes

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Global genome expression analysis of lamina propria derived WT and Nlrp6-/- Ly6C-hi inflammatory monocytes

Project description:Nlrp6-/- lamina propria Ly6C-hi monocytes in response to AOM/DSS have deficient TNFÎ± production, but increased production of other pro-inflammatory cytokines as compared to WT NLRP6 is a member of the Nod-like receptor family, whose members are involved in the recognition of microbes and/or tissue injury. NLRP6 was previously demonstrated to regulate the production of IL-18 and is important for protecting mice against chemically-induced intestinal injury and colitis-associated colon cancer. However, the cellular mechanisms by which NLRP6 reduces susceptibility to colonic inflammation remain unclear. Here, we determined that NLRP6 expression is specifically upregulated in Ly6Chi inflammatory monocytes that infiltrate into the colon during dextran sulfate sodium (DSS)-induced inflammation. Adoptive transfer of WT Ly6Chi inflammatory monocytes into Nlrp6-/- mice was sufficient to protect them from mortality, significantly reducing intestinal permeability and damage. NLRP6-deficient inflammatory monocytes were specifically defective in TNFÎ± production, which was important for reducing DSS-induced mortality and dependent on autocrine IL-18 signaling by inflammatory monocytes. Our data reveal a previously unappreciated role for NLRP6 in inflammatory monocytes, which are recruited during intestinal injury to promote barrier function and limit bacteria-driven inflammation. This study also highlights the importance of early cytokine responses, particularly NLRP6-dependent and IL-18-dependent TNFÎ± production in preventing chronic dysregulated inflammation. Ly6Chi monocytes were sorted from lamina propria of WT or Nlrp6-/- mice at day 10 of AOM/2%DSS. RNA was extracted and hybridized to the mouse 2.1 ST array.

2016-03-27 | E-GEOD-79631 | biostudies-arrayexpress

AffyExon1 genearray expression profile of adult mouse microglia and splenic Ly6C monocytes

Project description:Gene profiling of CNS-derived microglia vs splenic CD11b+Ly6C+ monocyte subsets deom adult mice Gene array identified 1572 genes that were enriched in microglia vs. 611 monocyte enriched genes with a greater than 5-fold difference (P<0.001). Gene profiling of CD11b+CD45Low microglia isolated from the CNS and CD11b+Ly6C+ monocyte subsets isolated from the spleen of naM-CM-/ve adult mice.

2013-07-08 | E-GEOD-48579 | biostudies-arrayexpress

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