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MicroRNA expression signature of monocyte-derived dendritic cells (DCs) from peripheral blood mononuclear cells (PBMCs)

ABSTRACT: In order to detect the microRNA expression profile of in vitro generated dendritic cells , purified monocytes from PBMCs were used as dendritic cell (DCs) precursors and were cultured in medium with cocktail for differentiation and maturation to immature dendritic cells (iDCs) and mature dendritic cells (mDCs). microRNA samples were isolated from precursor, iDCs and mDCs and used for microarray-based microRNAs expression profiles.

ORGANISM(S): Homo sapiens

PROVIDER: GSE15036 | GEO | 2013/01/28

SECONDARY ACCESSION(S): PRJNA123209

REPOSITORIES: GEO

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microRNA expression signature of monocyte-derived dendritic cells (DCs) from peripheral blood mononuclear cells (PBMCs)

Project description:In order to detect the microRNA expression profile of in vitro generated dendritic cells , purified monocytes from PBMCs were used as dendritic cell (DCs) precursors and were cultured in medium with cocktail for differentiation and maturation to immature dendritic cells (iDCs) and mature dendritic cells (mDCs). microRNA samples were isolated from precursor, iDCs and mDCs and used for microarray-based microRNAs expression profiles. To generate enough amount of immature DC (iDCs) and mature DCs (mDCs), monocytes were differentiated with GM-CSF and rhIL-4 for 2 days and maturated in the presence of TNF-α, IL-1β, IL-6 and PGE2 for another 2 days. With the anticipation to insight developmental-stage-specific microRNAs with potential functions related to monocyte derived DCs, global microRNAs expression profiling was set using microarray technology.microRNA expression profiles were performed in triplicate independent experiments starting for 3 groups of precursor, iDC and mDC generated from different blood donors.

2013-01-28 | E-GEOD-15036 | biostudies-arrayexpress

Gene expression profiling of monocyte-derived dendritic cells (DCs) from peripheral blood mononuclear cells (PBMCs)

2013-01-28 | GSE15075 | GEO

Gene expression profiling of monocyte-derived dendritic cells (DCs) from peripheral blood mononuclear cells (PBMCs)

Project description:In order to detect the gene expression profile of in vitro generated dendritic cells , purified monocytes from PBMCs were used as dendritic cell (DCs) precursors and were cultured in medium with cocktail for differentiation and maturation to immature dendritic cells (iDCs) and mature dendritic cells (mDCs). Total RNA samples were isolated from precursor, iDCs and mDCs and used for microarray-based gene expression profiles. To generate enough amount of immature DC (iDCs) and mature DCs (mDCs), monocytes were differentiated with GM-CSF and rhIL-4 for 2 days and maturated in the presence of TNF-α, IL-1β, IL-6 and PGE2 for another 2 days. With the anticipation to insight developmental-stage-specific genes with potential functions related to monocyte derived DCs, global gene expression profiling was set using microarray technology.gene expression profiles were performed in triplicate independent experiments starting for 3 groups of precursor, iDC and mDC generated from different blood donors.

2013-01-28 | E-GEOD-15075 | biostudies-arrayexpress

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

Inhibition of p38 MAPK in DC progenitor cells endows DCs with superior immunogenicity

Project description:Analysis of the p38 MAPK pathway in regulation of dendritic cells (DCs) differentiation at the gene expression level. Bone marrow cells were cultured with mGM-CSF (20 ng/ml) in the presence of 1.5 mM of SB202190 or 0.1% DMSO. At day 7, semi-adherent cells were collected as immature DCs (iDCs). iDCs were matured by TNF-a (10 ng/ml) and IL-1b (10 ng/ml) for 48 hours. Results showed that p38 MAPK activity in DC progenitor cells acts as an antigen presentation attenuator, and disabling this critical brake during DC differentiation endows DCs with enhanced immunogenicity, which may be useful for the induction of antitumor immune responses. Total RNA was obtained from 2-day-cultured bone marrow cells, iDCs and mature DCs.

2014-05-22 | E-GEOD-57879 | biostudies-arrayexpress

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

Inhibition of p38 MAPK in DC progenitor cells endows DCs with superior immunogenicity

2014-05-22 | GSE57879 | GEO

Molecular signatures of maturing dendritic cells: implications for testing the quality dendritic cell therapies

Project description:Abstract Background: Dendritic cells (DCs) are often produced by granulocyte-macrophage colony-stimulating factor (GMCSF) and interleukin-4 (IL-4) stimulation of monocytes. To improve the effectiveness of DC adoptive immune cancer therapy, many different agents have been used to mature DCs. We analyzed the kinetics of DC maturation by lipopolysaccharide (LPS) and interferon-g (IFN-g) induction in order to characterize the usefulness of mature DCs (mDCs) for immune therapy and to identify biomarkers for assessing the quality of mDCs. Methods: Peripheral blood mononuclear cells were collected from 6 healthy subjects by apheresis, monocytes were isolated by elutriation, and immature DCs (iDCs) were produced by 3 days of culture with GM-CSF and IL-4. The iDCs were sampled after 4, 8 and 24 hours in culture with LPS and IFN-g and were then assessed by flow cytometry, ELISA, and global gene and microRNA (miRNA) expression analysis. Results: After 24 hours of LPS and IFN-g stimulation, DC surface expression of CD80, CD83, CD86, and HLA Class II antigens were up-regulated. Th1 attractant genes such as CXCL9, CXCL10, CXCL11 and CCL5 were up-regulated during maturation but not Treg attractants such as CCL22 and CXCL12. The expression of classical mDC biomarker genes CD83, CCR7, CCL5, CCL8, SOD2, MT2A, OASL, GBP1 and HES4 were up-regulated throughout maturation while MTIB, MTIE, MTIG, MTIH, GADD45A and LAMP3 were only up-regulated late in maturation. The expression of miR-155 was up-regulated 8-fold in mDCs. Conclusion: DCs, matured with LPS and IFN-g, were characterized by increased levels of Th1 attractants as opposed to Treg attractants and may be particularly effective for adoptive immune cancer therapy.

2018-03-08 | GSE111581 | GEO

EVH1 domain interactors of VASP in mature and immature dendritic cells

Project description:Mass spectrometry study of interactor binding to the EVH1 domain of VASP in mature and immature dendritic cells. We performed mass spectrometry study using a specially designed inhibitor that recognizes this characterized motif with high affinity and analyzed the digested peptides by LC-MS. For both, iDCs and mDCs, two independent experiments were carried out (N=2). As control for the specificity of the identified interactions an additional two independent experiments (N=2) were carried out for both, iDCs and mDCs, where a specific inhibitor of the EVH1 domain was added to outcompete bona fide EVH1 domain interactions.

2022-10-20 | PXD030882 | Pride

Interleukin-27 is a potent inhibitor of cis HIV-1 replication in Monocyte-derived Dendritic Cells via a Type I Interferon-independent pathway

Project description:IL-27 treated DCs were shown to be highly potent inhibitors of cis HIV-1, particularly of CCR5 tropic strains. Microarray studies of IL-27 treated DCs showed no up-regulation of Type I (IFN) gene expression. Neutralization of the Type-I IFN receptor had no impact on the HIV inhibition. Lastly, IL-27 mediated inhibition was shown to act post-viral entry and prior to completion of reverse transcription. These results show for the first time that IL-27 is a potent inhibitor of cis HIV-1 infection in DCs by a Type I IFN independent mechanism. Gene expression microarrays from 3 samples of immature dendritic cells (iDCs) were compared with 3 samples of iDCs treated with IL-27

2013-03-29 | E-GEOD-44732 | biostudies-arrayexpress

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