Gene expression profiling in dendritic cell progenitors and dendritic cells
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ABSTRACT:
PROVIDER: PRJNA1000793 | ENA |
REPOSITORIES: ENA
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Project description:To compare the gene expression profiles of Macrophage & Dendritic cell Progenitors (MDPs), Common Dendritic cell Progenitors (CDPs), committed dendritic cell precursors (pre-DCs), and Ly6Chi monocytes from mouse bone marrow Four samples (MDPs, CDPs, pre-DCs, and monocytes) were collected in triplicate
2012-04-25 | E-GEOD-37566 | biostudies-arrayexpress
Project description:To compare the gene expression profiles of Macrophage & Dendritic cell Progenitors (MDPs), Common Dendritic cell Progenitors (CDPs), committed dendritic cell precursors (pre-DCs), and Ly6Chi monocytes from mouse bone marrow
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Project description:The development of dendritic cells (DCs) is regulated by complex transcriptional networks. DCs originate from the multipotent progenitors (MPPs) in the bone marrow, which could further give rise to common lymphoid progenitors (CLPs) and common dendritic cell progenitors (CDPs). Whereas CDPs, which could be further divided into CD115+ and CD115- populations, give rise to both conventional (cDC) and plasmacytoid DCs (pDCs), CLP is an addtional source of pDCs. Transcriptome profiling of wild type and Trim33-/- MPPs, CD115- CDPs, and CLPs revealed a critical role of TRIM33 in the development of DCs.
2024-06-01 | GSE194246 | GEO
Project description:ATAC-seq of dendritic cell progenitors
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Project description:Transcriptional profiling of mouse comparing in vitro-derived DC progenitors from control and Gata2 conditional knockout mice. Two-condition experiment, Control DCs vs. G2 Knockout DCs. Biological replicates: 4 control, 3 Gata2 knockout, independently grown and harvested. One replicate per array. Dendritic cells (DCs) are critical immune response regulators; however, the mechanism of DC differentiation is not fully understood. Heterozygous germline GATA2 mutations induce GATA2 deficiency syndrome, characterized by monocytopenia, a predisposition to myelodysplasia/acute myeloid leukemia, and a profoundly reduced DC population, which is associated with increased susceptibility to viral infections, impaired phagocytosis, and decreased cytokine production. To define the role of GATA2 in DC differentiation and function, we studied Gata2 conditional knockout and haploinsufficient mice. Gata2 conditional deficiency significantly reduced the DC count, whereas Gata2 haploinsufficiency did not affect this population. GATA2 was required for the in vitro generation of DCs from Linâ??Sca-1+Kit+ cells, common myeloid-restricted progenitors, and common dendritic cell precursors, but not common lymphoid-restricted progenitors or granulocyte-macrophage progenitors, suggesting that GATA2 functions in the myeloid pathway of DC differentiation. Moreover, expression profiling demonstrated reduced expression of myeloid-related genes, including mafb, and increased expression of T-lymphocyte-related genes, including Gata3 and Tcf7, in Gata2-deficient DC progenitors. In addition, GATA2 was found to bind an enhancer element 190-kb downstream region of Gata3, and a reporter assay exhibited significantly reduced luciferase activity after adding this enhancer region to the Gata3 promoter, which was recovered by GATA sequence deletion within Gata3 +190. These results suggest that GATA2 plays an important role in cell fate specification toward the myeloid versus T lymphocyte lineage by regulating lineage-specific transcription factors in DC progenitors, thereby contributing to DC differentiation.
2016-05-31 | E-GEOD-82044 | biostudies-arrayexpress
Project description:Histone ChIP-seq of dendritic cell progenitors
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Project description:RNA-seq profiling of wild type and Trim33-/- dendritic cell-related progenitors
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Project description:Multipotent progenitors (MPP) and common dendritic cell progenitors (CDP) were obtained from mouse bone marrow, followed by in vitro culture with a specific cytokine cocktail and FACS sorting (Felker et al., 2010; Seré et al., 2012). Cells were treated with 10 ng/ml recombinant human TGF-β1 (R&D Systems, Minneapolis, USA) for 2, 4, 8, 12 and 24 h as described (Felker et al., 2010) or left untreated.
2014-04-15 | GSE46109 | GEO
Project description:Dendritic cells (DCs) in lymphoid tissue comprise conventional DCs (cDCs) and plasmacytoid DCs (pDCs) that develop from common DC progenitors (CDPs). CDPs are Flt3+c-kitintM-CSFR+ and reside in bone marrow. Here we describe a two-step culture system that recapitulates DC development from c-kithiFlt3-/lo multipotent progenitors (MPPs) into CDPs and further into cDC and pDC subsets. MPPs and CDPs are amplified in vitro with Flt3 ligand, stem cell factor, hyper-IL-6 and insulin- like growth factor-1. The four-factor cocktail readily induces self-renewal of MPPs and their progression into CDPs and has no self-renewal activity on CDPs. The amplified CDPs respond to all known DC poietins and generate all lymphoid tissue DCs in vivo and in vitro. Additionally, in vitro CDPs recapitulate the cell surface marker and gene expression profile of in vivo CDPs and possess a DC-primed transcription profile. Transforming growth factor-β1 (TGF-β1) impacts on CDPs and directs their differentiation towards cDCs. Genome-wide gene expression profiling of TGF-β1-induced genes identified transcription factors, such as interferon regulatory factor-4 (IRF-4) and RelB, that are implicated as instructive factors for cDC subset specification. TGF-β1 also induced the transcription factor inhibitor of differentiation/DNA binding 2 (Id2) that suppresses pDC development. Thus, TGF-β1 directs CDP differentiation into cDC by inducing both cDC instructive factors and pDC inhibitory factors. 20 samples in total. Multipotent progenitor - MPP_1 - MPP_2 Common dendritic cell progenitor - CDP_1 - CDP_2 Plasmacytoid dendritic cell - pDC_1 - pDC_2 Conventional dendritic cell - cDC_1 - cDC_2 In vivo common dendritic cell progenitor - In vivo CDP_1 - In vivo CDP_2 Untreated common dendritic cell progenitor (CDP) - CDP_0h_1 - CDP_0h_2 TGF-beta1 treated (4 hours) CDP - CDP_4h_1 - CDP_4h_2 TGF-beta1 treated (8 hours) CDP - CDP_8h_1 - CDP_8h_2 TGF-beta1 treated (12 hours) CDP - CDP_12h_1 - CDP_12h_2 TGF-beta1 treated (24 hours) CDP - CDP_24h_1 - CDP_24h_2
2010-10-04 | E-GEOD-22432 | biostudies-arrayexpress