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Expression data from Flt3L-derived bone marrow dendritic cells from WT or Clec9agfp/gfp mice treated or not with dead cells

ABSTRACT: DNGR-1 (CLEC9A) is expressed in CD8-like dendritic cells (DCs) and detects a ligand exposed on necrotic cells. We have characterized the transcripts that are induced in cultures of Flt3L-derived bone-marrow-derived WT or DNGR1-deficient DCs upon incubation with dead cells. Microarray analysis of the transcriptome of DNGR-1-deficient and WT DCs cultured with dead cells failed to reveal any DNGR-1-dependence in the transcriptional response to dead cells.

ORGANISM(S): Mus musculus

PROVIDER: GSE36435 | GEO | 2012/05/01

SECONDARY ACCESSION(S): PRJNA153175

REPOSITORIES: GEO

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Expression data from Flt3L-derived bone marrow dendritic cells from WT or Clec9agfp/gfp mice treated or not with dead cells

Project description:DNGR-1 (CLEC9A) is expressed in CD8-like dendritic cells (DCs) and detects a ligand exposed on necrotic cells. We have characterized the transcripts that are induced in cultures of Flt3L-derived bone-marrow-derived WT or DNGR1-deficient DCs upon incubation with dead cells. Microarray analysis of the transcriptome of DNGR-1-deficient and WT DCs cultured with dead cells failed to reveal any DNGR-1-dependence in the transcriptional response to dead cells. Flt3L-BMDC from WT or DNGR-1-deficient (Clec9a gfp/gfp) mice were left untreated or were cultured for 5 hours with UV-treated dead cells at a 1:2 ratio. CD24hi CD11blow B220- CD8Î±+-like DC were purified by cell sorting and RNA was extracted. There were 3 replicates for each of the four experimental conditions.

2012-04-30 | E-GEOD-36435 | biostudies-arrayexpress

Effect of Flt3L and DNGR-1 on the biology of tumor-infiltrating type 1 dendritic cells

Project description:DNGR-1 is a dead cell-sensing receptor specifically expressed in type 1 conventional dendritic cells (cDC1s), but whether it plays a role in antitumor immunity remains unexplored. In our work we have explored the transcriptional profile of tumor-infiltrating cDC1s competent or deficient in DNGR-1,

2021-05-19 | GSE145534 | GEO

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

scRNA-seq of CD45+ cells isolated from lungs of mice carrying KPneo tumors that received FLT3L and αCD40 (DC-therapy) or rat IgG2a isotype control

Project description:Dendritic cells are key player to initiate anti-tumoral response. In this study we aimed to characterize the function of type 1 DCs during priming of CD8 T cell responses against endogenous neoantigens encoded by a KrasG12D/WT; Tp53 (KP) lung cancer model. To enhance the immunostimulatory properties of cDC1, we delivered a combination of Flt3L and aCD40 antibodies. We found that this therapy is sufficient to induce proliferation of neoantigen specific CD8 T cells and restrain growth of lung tumor nodules. scRNA-seq transcriptional profiling of the lung immune infiltrate of tumor-challenged animals with and without DC-therapy was performed to understand the molecular changes induced in DCs subsets and CD8 T cell subsets.

2024-02-21 | E-MTAB-12508 | biostudies-arrayexpress

DEAD

Project description:DEAD

| PRJEB12645 | ENA

Flt3L in Treating Patients With Metastatic Colorectal Cancer

Project description:RATIONALE: Flt3L may stimulate a person’s immune system and help kill tumor cells. PURPOSE: Phase I trial to study the effectiveness of flt3L given to patients before undergoing surgery to remove metastases from colorectal cancer.

| 2002961 | ecrin-mdr-crc

TCR profiling of whole MC38 tumors, treated with PBS + IgG , Cis + PBS + aPD-1, Cis + DCP-IL-12/FLT3L + IgG or Cis + DCP-IL-12/FLT3L + ɑPD-1.

Project description:Dendritic cells (DCs) are specialized myeloid cells with the ability to uptake, process, and present antigens to T lymphocytes. They also generate cytokine and chemokine gradients that regulate immune cell trafficking, activation, and function. Monocyte-derived DCs (moDCs) pulsed with tumor antigens have been used as a platform for therapeutic vaccination in cancer. However, in spite of significant development and testing, antigen-loaded moDCs have delivered mixed clinical results. Here we present a DC therapy that uses a population of mouse or human DC progenitors (DCPs) engineered to produce two immunostimulatory cytokines, IL-12 and FLT3L. In the absence of antigen loading, cytokine-armored DCPs efficiently differentiated into conventional type I DCs (cDC1) and inhibited tumor growth in melanoma and autochthonous liver cancer models. Tumor response to DCP therapy involved synergy between IL-12 and FLT3L and was associated with early NK cell activation and massive effector T cell infiltration, robust M1-like macrophage programming, and ischemic tumor necrosis. Mechanistically, anti-tumor immunity was dependent on endogenous cDC1 expansion and interferon-γ (IFNγ) production and signaling, but did not require CD8+ T cell cytotoxicity. In one application, cytokine-armored DCPs synergized with antigen-specific CAR-T cells to eradicate intracranial gliomas in mice.

2023-09-19 | GSE228161 | GEO

RNF41 regulation of the dendritic cell receptor Clec9A

Project description:The dendritic cell receptor Clec9A facilitates processing of dead cell-derived antigens for cross-presentation and the induction of effective CD8+ T cell immune responses. This study investigates the role of E3 ubiquitin ligase RNF41 in Clec9A-mediated ubiquitination, and Clec9A-interactions.

2020-11-27 | PXD018926 | Pride

Single cell expression profiling of whole B16F10 melanoma tumors, treated with PBS or DCP-IL-12/FLT3L.

2023-09-19 | GSE228014 | GEO

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

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