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Identification of the factors from IL-33-primed CD11c- cells of Flt3L-BMDCs on day 5

ABSTRACT: IL-33 induced immunogenic FCGR3+CD103+cDC1s via IL-33-primed CD11c- cells To find IL-33-induced factors from IL-33-primed CD11c- cells We performed RNA sequencing of IL-33-treated WT or ST2-KO CD11c- cells from Flt3L-BMDCs on day 5.

ORGANISM(S): Mus musculus

PROVIDER: GSE226586 | GEO | 2023/05/30

REPOSITORIES: GEO

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Comparison between CD103+ cDC1s from IL-33-treated Flt3L-BMDCs and GM-CSF-treated Flt3L-BMDCs

Project description:To assess genotypic differences between IL-33-induced CD103+ cDC1s and GM-CSF-induced CD103+ cDC1s IL-33 or GM-CSF was treated at 5 ng/ml on the day 5 of Flt3L-BMDC generation and then the cells were incubated for an additional 5 days Then, we performed RNA sequencing of CD103+ cDC1s isolated from IL-33 or GM-CSF-treated Flt3L-BMDCs

2023-05-30 | GSE226585 | GEO

The clonal and molecular aetiology of Flt3L-mediated ‘emergency’ dendritic cell development

Project description:Flt3 ligand (Flt3L) promotes an increased generation of type 1 conventional dendritic cells (cDC1s), resulting in enhanced immunity against infections and cancer. Here, we employ cellular barcoding to understand how Flt3L regulates single haematopoietic stem and progenitor cell (HSPC) fate. Our results demonstrate that although Flt3L stimulation can recruit some additional cDC1-generating HSPCs, the major contributing factor to higher cDC1 numbers is through enhanced clonal expansion. This selective cDC1 expansion occurs primarily via multi-/oligo-potent clones, without compromising their clonal output to other lineages. We then develop Divi-Seq to simultaneously profile division history, surface phenotype and the transcriptional state of single HSPCs during the early phase of the response. We discover that Flt3L-responsive HSPCs maintain a proliferative ‘early progenitor’-like state, which leads to a selective emergence of CD11c+cKit+ transitional precursors with high cellular output to cDC1s. These findings inform the mechanistic action of Flt3L in natural immunity and immunotherapy.

2020-04-03 | GSE147977 | GEO

Gene expression in WT, Flt3 KO, and Flt3L KO cDC1s and cDC2s

Project description:The goal of this study was to determine whether there are any gene expression changes in cDC1s and cDC2s from WT, Flt3 KO, or Flt3L KO mice. Specifically whether developing in the absence of Flt3 signaling had any effects on the gene expression of the cDCs

2018-02-20 | GSE110789 | GEO

Gene expression profiles of mice BMDCs treated with Nitidine Chloride or vehicle following LPS stimulation

Project description:Nitidine Chloride(NC) were found to enhance IL-10 production in LPS-stimulated Bone-marrow dendritic cells(BMDCs ) ,while at the same time inhibit pro-inflammatory cytokines production, such as TNF- α and IL-6. BMDCs were treated with NC or vehicle following LPS stimulation to find out the influence of NC on BMDCs that regulate cytokines expression. This study indicated that NC regulate numerous gene expression, thus influence IL-10 and pro-inflammatory cytokines production in LPS-treated BMDCs.

2017-08-05 | GSE102135 | GEO

Lamtor1-interacting proteins in Lamtor1-KO BMDCs

Project description:Lamtor1-KO BMDCs isolated from Lamtor1flox/flox X CD11c-Cre mice were lysed by Lysis Buffer A and immunoprecipitated by anti-Lamtor1 antibody (D11H6).

2021-05-24 | PXD025611 | JPOST Repository

Gene expression profile of MHCII+ cell subsets from bone marrow culture with FLT3L or GM-CSF

Project description:BM culture comprises of various cell types including dendritic cells and macrophage-like cells. To understand the biology of BM-derived DCs, CD11c+MHCII+ cell subsets from BM cultures with FLT3L or GM-CSF were analyzed and are shown to have distinct transcriptional profiles.

2023-03-05 | GSE225321 | GEO

Expression data from BMDCs treated with BI2536 or vehicle control and stimulated with LPS or poly(I:C)

Project description:We used microarrays to detail the global programme of gene expression underlying Polo-like kinase inhibition with BI 2536 compound in mouse bone marrow-derived dendritic cells (BMDCs) stimulated with Toll-like receptor agonists LPS and poly(I:C). CD11c+ BMDCs were treated for 1 hour with BI 2536 (1µM) or vehicle control (DMSO) prior to stimulation with LPS or poly(I:C) for 4 h. Total RNA was extracted and prepared for hybridization on Affymetrix microarrays.

2011-04-12 | E-GEOD-28520 | biostudies-arrayexpress

small RNAseq in donor BMDCs and BMDCs that received exosomes

Project description:small RNAseq was preformed on Wt bone marrow-derived dendritic cells (BMDC) and miR-155 and miR-146a double knockout (DKO) BMDCs that received Wt exosomes to investigate the differences in transferred miRNA Small RNA profiles were generated from Wt donor BMDCs and DKO BMDCs given Wt exosomes 3 replicates in each group

2016-07-03 | E-GEOD-67946 | biostudies-arrayexpress

Gene expression in WT, Flt3 KO, and Flt3L KO cDC1s and cDC2s

Project description:Gene expression in WT, Flt3 KO, and Flt3L KO cDC1s and cDC2s

| PRJNA434564 | ENA

Expression data from CD4+ and CD11c+ cells from DO11.10 RAG2-/- mice

Project description:Abatacept is a recombinant CTLA-4 moleculed fused to a mutated human IgG molecule, which is clinically used in rheumatoid arthritis by inhibiting CD28-costimulation. This study aimed to inverstigate the ability of abatacept -mediated costimulation blockade to induce antigen-specific tolerance during primary immune responses. This is important as some studies have suggested that costimulation blockade can lead to CD4+ T cell anergy which could be beneficial for early therapy of autoimmune diseases such as rheumatoid arthritis. In addition we also investigated the effect that abatacept has on CD11c+ antigen presenting cells. This is important as costimulation blocakde can affect the biderectional interaction between CD4+ T cells and CD11c+ cells influencing the immunological outcome. We used microarrays to identify if abatacept treatment leads to antigen specific anergy using transgenic animals and models of priming and oral tolerance that established a synchronised monoclonal response. In addition this magnified the effect on the CD11c+ antigen presenting cells. This study included 5 experimental groups. DO11.10 RAG2-/- mice have CD4+ T cells specific for the ovalbumin (OVA) peptide OVA323-339. These mice were immunised with CFA/OVA s.c. (primed group) or tolerised by feeding with OVA (50mg/kg) in the drinking water. CD4+ cells were isolated 10 days post immunisation from draining lymph nodes (LNs) of unimmunised (pooled LNs and Spleen), orally tolerised (mesenteric LNs), primed (axillary LNs), primed treated with control IgG (axillary LNs) and primed treated with abatacept (axillary LNs). For CD11c+ cells cells were isolated by pooled secondary lymphoid organs (LNs and spleen).

2014-10-07 | E-GEOD-62089 | biostudies-arrayexpress

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