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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Analysis of classical and migratory DC from the skin draining LNs of Flt3L treated mice and comparison to LPS treated DC from skin draining LN and peritoneal macrophages

ABSTRACT: Analysis of the differential transcriptome of DC derived from tissue vs. LN origin. The overall hypothesis is these data would reveal how migratory DC may be differently programmed from classical DC and might also suggest difference within migratory DC subsets relating to function. RNA obtained from migratory DC subsets and classical CD8a DC isolated by flow cytometry sorting from skin draining LNs of Flt3L treated mice or LPS treated mice

ORGANISM(S): Mus musculus

SUBMITTER: Niroshana Anandasabapathy

PROVIDER: E-GEOD-53588 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Analysis of classical and migratory DC from the skin draining LNs of Flt3L treated mice and comparison to LPS treated DC from skin draining LN and peritoneal macrophages

Project description:Analysis of the differential transcriptome of DC derived from tissue vs. LN origin. The overall hypothesis is these data would reveal how migratory DC may be differently programmed from classical DC and might also suggest difference within migratory DC subsets relating to function.

2014-08-01 | GSE53588 | GEO

Genome-wide expression study of the CD11b+ subsets of dermal myeloid cells and their migratory counterparts in the draining lymph node

Project description:Numerous CD11b+ myeloid cells are present within the dermis. They are very heterogeneous and can be divided in dermal DCs, tissue monocytes and tissue macrophages. At steady state, only CD11b+ DC migrate from the dermis to the skin draining lymph nodes whereas upon DNFB-induced inflammation, CD11b+ DC as well as dermal monocytes migrated to the lymph nodes. The objective of this study was to use gene expression profiling to rigorously identify the different subsets of dermal CD11b+ myeloid cells at steady state and upon inflammation and to characterize their functional potential. This study includes data from DC, monocytes and macrophages purified by flow cytometry sorting from the blood (monocytes only), dermis and the cutaneous lymph nodes (migDC and mig mono) of WT C57BL6 mice, under steady-state or upon DNFB-mediated inflammation. Three independent replicates were made for each cell type, from three independent pools of mice, and were hybridized on 3 separate batches of gene chips Affimetrix 1.0ST.

2013-11-04 | E-GEOD-49358 | biostudies-arrayexpress

Genomic Fingerprints of DC Subsets in the Human Vaginal Mucosa, Skin, and Blood

Project description:Dendritic cells (DC) localize throughout the body, where they sense and capture invading pathogens to induce protective immune responses. Hence, harnessing the biology of tissue-resident DC is crucial for the rational design of vaccines against pathogens. Herein, we characterized the transcriptomes of four antigen presenting cell (APC) subsets from the human vagina (vLC, vCD14- DC, vCD14+ DC, vMM-NM-&) and compared them to those of three skin DC (sDC) subsets and blood myeloid DC. We find that APC genomic fingerprints are significantly influenced by the tissue of origin as well as by individual APC subsets. Nonetheless, CD14+ APC from both vagina and skin are geared towards innate immunity and pro-inflammatory responses, whereas CD14- DC, particularly sLC, vLC, and vCD14- DC, display both Th2-inducing and regulatory phenotypes. We also identified vAPC subset-specific cellular and functional biomarkers that will guide the design of mucosal vaccines against sexually transmitted pathogens. Vaginal and skin tissues were obtained from female patients who underwent pelvic or cosmetic surgeries under protocols approved by the Institutional Review Board (IRB) of Baylor Research Institute (BRI). Patients were not infected with HIV, HCV or TB and did not display inflammation in the tissues. No other diagnosis information was available. Blood from healthy female volunteers was obtained under a protocol approved by the IRB of BRI. 87 total samples. 6 Blood mDC; 16 Dermal CD1c+CD14-; 10 Epidermal LC; 12 Vaginal CD1c+CD14-; 13 Vaginal CD1c+CD14+; 7 Vaginal HLADR- w/ 2 replicates (Vaginal HLADR-_VM610 and Vaginal HLADR-_VM611); 9Vaginal LC; 14 Vaginal Macrophage.

2014-12-17 | E-GEOD-54480 | biostudies-arrayexpress

Microarray analysis of WT and L-Myc-deficient DC subsets

Project description:Analysis of L-Myc-dependent genes in pDCs and classical DC subsets with and without stimulation. Splenocytes were harvested from C57BL/6 wild-type (WT) or 10 generation C57BL/6 backcrossed Mycl1-gfp/gfp (LmycKO) mice and DC subsets sorted to >95% purity on the FACSAriaII.

2013-12-14 | E-GEOD-53312 | biostudies-arrayexpress

Microarray analysis of WT and L-Myc-deficient DC subsets

Project description:Analysis of L-Myc-dependent genes in pDCs and classical DC subsets with and without stimulation.

2013-12-14 | GSE53312 | GEO

Function of human CD141+ DC and CD1c+ DC in a humanized mouse model in vivo

Project description:Human immune cell subsets develop in immunodeficient mice following reconstitution with human CD34+ haematopoietic stem cells. These “humanized” mice are useful models to study human immunology and human-tropic infections, autoimmunity and cancer. However, some human immune cell subsets are unable to fully develop or acquire full functional capacity due to a lack of cross-reactivity of many growth factors and cytokines between species. “Classical” (c) DC arise from a separate precursor to monocytes and initiate and direct T cell responses. In mice they can be further categorized into cDC1, which mediate Th1 and CD8+ T cell responses, and cDC2, which mediate Th2 and Th17 responses. The gene expression profiles and phenotype human CD141+ DC and CD1c+ DC subsets align with mouse cDC1 and cDC2 respectively but there are also key interspecies differences. Human CD141+ DC and CD1c+ DC develop in humanized mice but the extent to which they resemble their human blood counterparts is not yet known. We therefore analyzed the gene expression profiles of CD141+ DC and CD1c+ DC in humanized mice and demonstrated that they closely resemble those in human blood, making this an attractive model in which to study human DC in vitro or on vivo. We further used this model to explore changes in DC subsets after activation with TLR3 and TLR7/8 ligands, poly I:C and R848 in vivo. A core panel of genes consistent with DC maturation status were upregulated by both subsets. R848 specifically upregulated genes associated with Th17 responses by CD1c+ DC, whilst poly I:C upregulated IFN-λ genes specifically by CD141+ DC. Thus CD141+ DC and CD1c+ DC share a similar activation profiles in vivo but also have induce unique signatures that support specialized roles in CD8+ T cell priming and Th17 responses respectively. '

2017-09-22 | GSE99666 | GEO

Microarray analysis of WT and Notch2-deficient classical DC subsets

Project description:Defense against attaching and effacing (A/E) bacteria requires the sequential generation of IL-23 and IL-22 to induce protective mucosal responses. While the critical source of IL-22 has been identified as CD4+ and Nkp46+ innate lymphoid cells (ILCs), the precise source of IL-23 is unclear. Here, we use genetic techniques to deplete specific classical dendritic cell (cDC) subsets and analyze immunity to the A/E pathogen Citrobacter rodentium. We find that Zbtb46+ cDCs, and specifically Notch2-dependent intestinal CD11b+ cDCs, but not Batf3-dependent CD103+ cDCs, are required for IL-23 production and immunity against C. rodentium. Notch2 controls cDC differentiation at a terminal step mediated by lymphotoxin signaling. Importantly, these results provide the first demonstration of a non-redundant function of CD11b+ cDCs in vivo. Analysis of Notch2-dependent genes in CD11b+ and DEC205+ splenic classical DC subsets. Splenocytes were harvested from littermate WT Notch2 f/f C57Bl/6 or Notch2 CD11c-cre C57Bl/6 mice and DC subsets sorted to >95% purity on the FACSAriaII.

2013-06-01 | E-GEOD-45681 | biostudies-arrayexpress

Differential Peak Calling of ChIP-Seq Signals with Replicates with THOR

Project description:Dendritic cells (DC) are professional antigen presenting cells that develop from hematopoietic stem cells in bone marrow by successive steps of lineage commitment and differentiation. Different DC subsets were identified based on phenotype, localisation and function: (i) classical DC (cDC) and plasmacytoid DC (pDC) are found in lymphoid organs and (ii) migratory tissue DC are spread throughout peripheral organs, including Langerhans cells, the cutaneous contingent of DC. We have developed a two-step culture system that recapitulates DC development in vitro (Felker et al., J. Immunol. 185, 5326-5335, 2010). In this system multipotent hematopoietic progenitors (MPP) progress into DC-restricted common DC progenitors (CDP) and further into the two major DC subsets cDC and pDC. We employed chromatin immunoprecipitation (ChIP) with deep sequencing (ChIP-seq) to determine the dynamics of H3K27ac occupancy in MPP, CMP, cDC and pDC. Histone modification H3K27ac and RNA-Seq in MPP, CDP, cDC and pDC

2016-08-03 | E-GEOD-73143 | biostudies-arrayexpress

Genomic Fingerprints of DC Subsets in the Human Vaginal Mucosa, Skin, and Blood

Project description:Dendritic cells (DC) localize throughout the body, where they sense and capture invading pathogens to induce protective immune responses. Hence, harnessing the biology of tissue-resident DC is crucial for the rational design of vaccines against pathogens. Herein, we characterized the transcriptomes of four antigen presenting cell (APC) subsets from the human vagina (vLC, vCD14- DC, vCD14+ DC, vMΦ) and compared them to those of three skin DC (sDC) subsets and blood myeloid DC. We find that APC genomic fingerprints are significantly influenced by the tissue of origin as well as by individual APC subsets. Nonetheless, CD14+ APC from both vagina and skin are geared towards innate immunity and pro-inflammatory responses, whereas CD14- DC, particularly sLC, vLC, and vCD14- DC, display both Th2-inducing and regulatory phenotypes. We also identified vAPC subset-specific cellular and functional biomarkers that will guide the design of mucosal vaccines against sexually transmitted pathogens. Vaginal and skin tissues were obtained from female patients who underwent pelvic or cosmetic surgeries under protocols approved by the Institutional Review Board (IRB) of Baylor Research Institute (BRI). Patients were not infected with HIV, HCV or TB and did not display inflammation in the tissues. No other diagnosis information was available. Blood from healthy female volunteers was obtained under a protocol approved by the IRB of BRI.

2014-12-17 | GSE54480 | GEO

Mouse lung CD103+ and CD11b-high dendritic cell (DC) subsets

Project description:Mouse lung CD11c+ dendritic cells are composed of 2 major DC subsets, the CD103+CD11b-low/intermediate DC (CD103+ DC) and the CD11b-highCD103- DC (CD11b-high DC). These 2 subsets are functionally distinct. Comparison of their functions showed CD103+ DC Microarray analysis was performed to compare the gene expression profiles of the 2 lung DC subsets in naïve mice.

2010-03-15 | GSE17322 | GEO

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