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RNA-seq of Mus musculus BM-DCs upon stimulation by lung fibroblast conditioned medium or purified PGE2

ABSTRACT: RNA-seq of Mus musculus BM-DCs upon stimulation by lung fibroblast conditioned medium or purified PGE2

PROVIDER: PRJEB53895 | ENA |

REPOSITORIES: ENA

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RNA-seq of Mus musculus BM-DCs upon stimulation by lung fibroblast conditioned medium or purified PGE2

Project description:To comprehensively understand how dendritic cells (DCs) are reprogrammed by lung fibroblasts- and their derived COX-2/PGE2, we employed lung fibroblasts isolated from WT or Ptgs2-/- mice, and collect their conditioned medium (CM) to stimulate the ex vivo cultured bone marrow (BM)-derived DCs (BM-DCs), with the PGE2 treatment as a control. After the treatment, BM-DCs were harvested for RNA extraction and the transcriptional profiles were analyzed by RNA sequencing (RNA-seq).

2022-07-19 | E-MTAB-11873 | biostudies-arrayexpress

RNA sequencing of murine bone marrow cell-derived cDC1 treated with PGE2

Project description:RNA sequencing was used to characterize PGE2-mediated changes in the gene expression profile of conventional type 1 dendritic cells (cDC1). Our analysis shows that treatment of cDC1 with PGE2 or conditioned medium from PGE2-producing tumors induces transcriptional changes in resting cDC1. cDC1 activated with a TLR3 ligand after PGE2 pre-treatment show alterations in the expression of activation induced genes.

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RNA-seq of BM neutrophils after treated with IL1b/IL6/PGE2

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2022-12-12 | E-MTAB-12367 | biostudies-arrayexpress

Gene expression of murine DCs from bone marrow and spleen

Project description:Next to driving hematopoiesis, the bone marrow (BM) also serves as a secondary lymphoid organ, as it can drive T cell priming by resident dendritic cells (DC). When analyzing these DCs in murine BM, we uncovered that they are localized around sinusoids, can (cross)-present antigens, become activated upon intravenous LPS-injection, and for the majority belong to the cDC2 subtype which is associated with Th2/Th17 immunity. Gene-expression profiling revealed that BM-resident DCs are enriched for several c-type lectins, including Dectin-1, which can bind beta-glucans expressed on fungi and yeast. Indeed, DCs in BM were much more efficient in phagocytosis of both yeast-derived zymosan-particles and Aspergillus than their splenic counterparts, which was highly dependent on Dectin-1. DCs in human BM could also phagocytose zymosan, which was dependent on β1-integrins. Moreover, zymosan-stimulated BM-resident DCs enhanced the differentiation of hematopoietic stem and progenitor cells towards neutrophils, while also boosting the maintenance of these progenitors. Our findings signify an important role for BM DCs as translators between infection and hematopoiesis, in particular in anti-fungal immunity. The ability of BM-resident DCs to boost granulopoiesis is relevant from a clinical perspective, and contributes to our understanding of the increased susceptibility for fungal infections following BM damage.

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Analysis by Whole Transcriptome Sequencing of the Effects of LLC1 conditioned medium, LLC1 conditioned plus Calcitriol, non-conditioned medium, and non-conditioned medium plus Calcitriol on mRNA Expression in Primary Human Skeletal Muscle Cells

Project description:Primary human skeletal muscle cells (Lonza) were treated with LLC1 conditioned medium, LLC1 conditioned medium plus Calcitriol, LLC1 non-conditioned medium or LLC1 non-conditioned medium plus Calcitriol for a period of 24 hours prior to isolation of RNA.

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RNA from mouse lung conditioned medium

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RNA from mouse lung conditioned medium

Project description:RNA from mouse lung conditioned medium

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Comparison of the RNA expression profiles of CD14+ monocytes from human peripheral blood with derived dendritic cells (DCs) and myeloid-derived suppressor cells (MDSCs) obtained by exposure with GM-CSF/IL4 and GM-CSF/IL4/PGE2, respectively, during 6 days

Project description:The expression profiles of RNA of human CD14+ monocytes were compared with derived dendritic cells (DCs) and myeloid-derived suppressor cells (MDSCs) following GM-CSF/IL4 and GM-CSF/IL4/PGE2 incubation for 6 days using the Agilent Human GE v3 8x60K array (Agilent Technologies, CA, USA). The samples were hybridized in the array following the manufacturer’s instructions.

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Mouse high grade astrocytoma cells (GL261) treated with neural stem/precursor cell (NPC) conditioned medium or non-conditioned medium (control)

Project description:Primary astrocytomas of high histopathological grade (HG-astrocytomas) are largely restricted to older patients and are almost invariably fatal despite multimodal therapy. Here, we show that the young brain has an endogenous defense mechanisms against HG-astrocytomas. Neural precursor cells (NPCs) migrate to HG-astrocytomas, reduce glioma expansion and prolong survival by releasing a group of fatty-acid ethanolamides that have agonistic activity on the vanilloid receptor (transient receptor potential vanilloid subfamily member-1; TRPV1). TRPV1 expression is much higher in HG-astrocytomas than in the tumor-free brain and TRPV1 stimulation triggers tumor cell-death via the activating transcription factor-3 (ATF3) controlled branch of the ER-stress pathway. The anti-tumourigenic response of NPCs is lost with aging. NPC-mediated tumor suppression can be mimicked in the old brain by systemic administration of the synthetic vanilloid Arvanil, indicating that TRPV1 agonists hold potential as new HG-astrocytoma therapeutics. The goal of this microarray study was understand how neural stem / precursor cell (NPC) induced high grade astrocytoma cell-death is controlled by changes in gene expression. We investigated the gene-expression pattern in mouse high grade astrocytoma GL261 cells after incubation with NPC non-conditioned medium (controls) or NPC-conditioned medium by microarrays and found that endoplasmic reticulum stress genes like the activating transcription factor-3 (ATF3) were robustly up-regulated in NPC-conditioned medium treated mouse high grade astrocytoma cells, compared to controls. Comparison of two experimental groups (conditioned medium treated versus non-conditioned medium treated) in three dye swap experiments (6 arrays used in total).

2012-04-30 | E-GEOD-37671 | biostudies-arrayexpress

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