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RNA Sequencing Analysis of Mouse Bone Marrow Derived Dendritic Cells Transcriptomes During Maturation

ABSTRACT: Purpose:The purpose of this study is to detect activated or silenced genes during LPS-induced dendritic cell maturation. Gene expression differences between two samples could be found using transcriptome profiling (RNA-seq) analysis. Methods:Mouse dendritic cells were generated from bone marrow cells in RPMI-1640 medium with recombinant mouse GM-CSF and IL-4, mature DCs were obtained after LPS induced maturation. Immature DCs and mature DCs were sorted respectively based on maturation marker CD86 and Iab(MHCII) using flowcytrometer. DC mRNA profiles were generated by deep sequencing,using Illumina Results: We mapped about 10 million sequence reads per sample to the mouse genome, identified 1,300 upregulated genes and 1,475 dow regulated genes during dendritic cell maturation.

ORGANISM(S): Mus musculus

PROVIDER: GSE60307 | GEO | 2015/03/04

SECONDARY ACCESSION(S): PRJNA257999

REPOSITORIES: GEO

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RNA Sequencing Analysis of Mouse Bone Marrow Derived Dendritic Cells Transcriptomes During Maturation

Project description:Purpose:The purpose of this study is to detect activated or silenced genes during LPS-induced dendritic cell maturation. Gene expression differences between two samples could be found using transcriptome profiling (RNA-seq) analysis. Methods:Mouse dendritic cells were generated from bone marrow cells in RPMI-1640 medium with recombinant mouse GM-CSF and IL-4, mature DCs were obtained after LPS induced maturation. Immature DCs and mature DCs were sorted respectively based on maturation marker CD86 and Iab(MHCII) using flowcytrometer. DC mRNA profiles were generated by deep sequencing,using Illumina Results: We mapped about 10 million sequence reads per sample to the mouse genome, identified 1,300 upregulated genes and 1,475 dow regulated genes during dendritic cell maturation. DC mRNA profiles immature and mature moouse BMDCs were generated by deep sequencing

2015-03-04 | E-GEOD-60307 | biostudies-arrayexpress

Next Generation Sequencing Facilitates Quantitative Analysis of dendritic cell Transcriptomes during LPS response

Project description:Purpose:The purpose of this study is to detect activated or silenced genes during LPS-induced dendritic cell. Gene expression differences between two samples could be found using transcriptome profiling (RNA-seq) analysis. Methods:Mouse dendritic cells were generated from bone marrow cells in RPMI-1640 medium with recombinant mouse GM-CSF and IL-4, immature DCs were obtained before or after LPS stimulation. Immature DCs were sorted respectively based on marker CD86 and Iab(MHCII) using flowcytrometer. DC mRNA profiles were generated by deep sequencing,using Illumina. Results: We mapped about 10 million sequence reads per sample to the mouse genome, identified hundreds of genes with significant mRNA variation during LPS stimulation. DC mRNA profiles immature BMDCs were generated by deep sequencing

2015-09-11 | E-GEOD-69256 | biostudies-arrayexpress

Next Generation Sequencing Facilitates Quantitative Analysis of dendritic cell Transcriptomes during LPS response

2015-09-11 | GSE69256 | GEO

Expression data on human MO-to-DC and MO-to-MAC differentiation

Project description:Comparison of the RNA expression profiles of CD14+ monocytes from human peripheral blood with derived dendritic cells (DCs) and macrophages (MACs) obtained by exposure with GM-CSF/IL-4 and GM-CSF, respectively, and with mature DCs and MACs after lipopolysaccharide (LPS) exposure The expression profiles of RNA of human CD14+ monocytes were compared with derived immature dendritic cells (iDCs) and macrophages (iMACs) following GM-CSF/IL-4 and GM-CSF incubation, and then activation/maturation with lypopolysaccharyde (LPS) using the Affymetrix PrimeView Human Gene Expression array (Affymetrix, Santa Clara, CA). This platform allows the interrogation of >36,000 transcrits and variants per sample. The samples were hybridized in the array following the manufacturerâ??s instructions. Total RNA isolated by standard procedures from CD14+ cells (total monocytes, MOs) corresponding to three sets of samples of monocytes (MOs), derived immature DCs and MACs (iDCS and iMACS) and activated/mature DCs and MACs following incubation with LPS (mDCS and mMACs)

2015-12-12 | E-GEOD-75938 | biostudies-arrayexpress

CD40 in thymic DC maturation and Treg cell development

Project description:The aim is to determine which genes are distinctively expressed in each of the subsets of DCs Four subsets of dendritic cells in mouse thymus were sorted based on their expression of Sirpa and their maturation status: Sirpa+ immature DCs, Sirpa+ mature DCs, Sirpa- immature DCs, and Sirpa- mature DCs

2017-12-14 | GSE107571 | GEO

Comparison of the DNA methylation profiles of CD14+ monocytes from human peripheral blood with DCs and MACs obtained by exposure with GM-CSF/IL-4 and GM-CSF, respectively, and with mature DCs and MACs after LPS exposure

Project description:Comparison of the DNA methylation profiles of CD14+ monocytes from human peripheral blood with derived dendritic cells (DCs) and macrophages (MACs) obtained by exposure with GM-CSF/IL-4 and GM-CSF, respectively, and with mature DCs and MACs after lipopolysaccharide (LPS) exposure The methylation profiles of bisulfite-modified DNA of human CD14+ monocytes were compared with derived immature dendritic cells (iDCs) and macrophages (iMACs) following GM-CSF/IL-4 and GM-CSF incubation, and then activation/maturation with lypopolysaccharyde (LPS) using the Infinium HumanMethylation450 BeadChips (Illumina, Inc., San Diego, CA,). This platform allows the interrogation of >485,000 methylation sites per sample at single-nucleotide resolution, and comprises an average of 17 CpG sites per gene in the 99% of RefSeq genes. 96% of CpG islands are covered, with additional coverage in CpG island shores and the regions flanking them. The samples were hybridized in the array following the manufacturerâs instructions. Total DNA isolated by standard procedures from CD14+ cells (total monocytes, MOs) corresponding to three sets of samples of monocytes (MOs), derived immature DCs and MACs (iDCS and iMACS) and activated/mature DCs and MACs following incubation with LPS (mDCS and mMACs)

2015-12-11 | E-GEOD-71837 | biostudies-arrayexpress

miR-155 KO in human dendritic cells

Project description:In response to inflammatory stimulation, dendritic cells (DCs) have a remarkable pattern of differentiation (maturation) that exhibits specific mechanisms to control immunity. Here, we show that in response to Lipopolysaccharides (LPS), several microRNAs (miRNAs) are regulated in human monocyte-derived dendritic cells. Among these miRNAs, miR-155 is highly up-regulated during maturation. Using LNA silencing combined to microarray technology, we have identified the Toll-like receptor / interleukin-1 (TLR/IL-1) inflammatory pathway as a general target of miR-155. We further demonstrate that miR-155 directly controls the level of important signal transduction molecules. Our observations suggest, therefore, that in mature human DCs, miR-155 is part of a negative feedback loop, which down-modulates inflammatory cytokine production in response to microbial stimuli. We devised a strategy to functionally inhibit the mature form of miR-155 with the aim of identifying the signaling pathways controlled by miR-155 during DC maturation. A LNA-modified oligonucleotide, specifically designed for miR-155 knockdown (anti-miR-155 LNA) was introduced in moDCs by nucleofection prior LPS stimulation. 24h after transfection, a reduction in miR-155 levels of 8- and 32-fold was observed by qPCR in immature and mature moDCs respectively. A comparative microarray analysis (Affymetrix U133 2.0 chip) was performed among miR-155 silenced (anti-miR-155 LNA) and control transfected (scramble LNA) moDCs, exposed or not to LPS. Thus, four samples were totally analyzed. As expected from the limited expression of miR-155 in non-activated DCs, little variation in mRNA expression (177 probe sets differentially expressed employing a cut-off of 1.5) was detected upon miR-155 silencing. Conversely, in LPS-activated cells many mRNAs (1324 probe sets, 770 up-regulated and 554 down-regulated) were affected by miR-155 inhibition.

2009-03-04 | E-GEOD-13296 | biostudies-arrayexpress

Expression data on human MO-to-DC and MO-to-MAC differentiation

2015-12-12 | GSE75938 | GEO

Cdc42 controls DC-maturation - Cdc42-dependent actin dynamics controls maturation and secretory activity of dendritic cells

Project description:Cell division cycle 42 (Cdc42) is a member of the Rho GTPase family and has pivotal functions in actin organization, cell migration and proliferation. Cdc42 has been shown to regulate antigen (Ag)-uptake in immature dendritic cells (DC) and controls their migration from tissues to lymph nodes. Previous reports demonstrated that Cdc42 is inactivated upon DC-maturation to avoid continued Ag-acquisition. To further study the molecular mechanisms of DC-control by Cdc42, we used bone marrow-derived DCs from Cdc42-deficient mice. We show that Cdc42-deficient DCs are phenotypically mature without additional maturation stimuli, as they upregulate CD86 from intracellular storages to the cell surface. They also accumulate invariant chain (Ii)-MHC class II complexes at the cell surface, which cannot efficiently present peptide Ag for priming of Ag-specific CD4 T cells. Lack of Cdc42 in immature DCs does not allow MHC class II maturation, as lysosomal Cathepsins are lost into the supernatant and Ii-MHC class II complexes cannot mature. Therefore Cdc42-deficient DCs are "pseudomature" and lose most functional hallmarks of antigen-presenting cells. Our results propose that Cdc42 keeps DCs in an immature state, while downregulation of Cdc42-activity during maturation facilitates generation of CD86+MHCII+ mature DCs.

2015-10-12 | PXD001934 | Pride

Mature dendritic cells under hypoxic condition

Project description:Dendritic cells (DCs) are professional antigen-presenting cells whose activity is intrinsically linked to the microenvironment. Hypoxia is a condition of low oxygen tension occurring in inflammatory tissues that creates a special microenvironment conditioning cell physiology. We studied the effects of hypoxia on the differentiation of human monocytes into DCs and maturation into mature DCs. Mature DCs were differentiated in vitro from human monocytes under normoxic or hypoxic conditions and the gene expression profile was determined. The expression profile of mature dendritic cells under normoxia vs hypoxia was studied. Three healthy donors were used as biologial replicates.

2010-12-31 | E-GEOD-22282 | biostudies-arrayexpress

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