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Microarray analysis of CD14+ CD163low cells in human intestinal lamina propria

ABSTRACT: Mouse intestinal innate immune cells have been identified as inducing Th17 cell differentiation. However, few studies have investigated innate immune cells that are involved in CD (Crohn's disiease) pathogenesis in humans. The present study aimed to identify a human intestinal lamina propria cell subset that induces Th17 cells, and to clarify its role in CD pathogenesis. Intestinal mucosa samples were obtained from patients who underwent resection of colorectal cancer or CD. Lamina propria cells (LPCs) were obtained by enzymatic digestion, and were analyzed for expression of HLA-DR, lineage markers (Lin), CD14, and CD163 using flow cytometry. Among HLA-DRhigh Lin- cells, we identified a CD14+ CD163low cell subset that was selectively present in intestinal LPCs. We identified CD14+ CD163low cells as having a potent capacity to induce Th17 cell differentiation in human intestinal lamina propria. The Th17-inducing activity of these cells was enhanced in CD patients.

ORGANISM(S): Homo sapiens

PROVIDER: GSE49066 | GEO | 2013/08/24

SECONDARY ACCESSION(S): PRJNA212804

REPOSITORIES: GEO

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Microarray analysis of CD14+ CD163low cells in human intestinal lamina propria

Project description:Mouse intestinal innate immune cells have been identified as inducing Th17 cell differentiation. However, few studies have investigated innate immune cells that are involved in CD (Crohn's disiease) pathogenesis in humans. The present study aimed to identify a human intestinal lamina propria cell subset that induces Th17 cells, and to clarify its role in CD pathogenesis. Intestinal mucosa samples were obtained from patients who underwent resection of colorectal cancer or CD. Lamina propria cells (LPCs) were obtained by enzymatic digestion, and were analyzed for expression of HLA-DR, lineage markers (Lin), CD14, and CD163 using flow cytometry. Among HLA-DRhigh Lin- cells, we identified a CD14+ CD163low cell subset that was selectively present in intestinal LPCs. We identified CD14+ CD163low cells as having a potent capacity to induce Th17 cell differentiation in human intestinal lamina propria. The Th17-inducing activity of these cells was enhanced in CD patients. The Cy3-labeled cDNAs were hybridized on Agilent-039494 SurePrint G3 Human GE v2 8x60K Microarray (G4845A) in one color experiments, resulting in four individual microarrays.

2013-08-24 | E-GEOD-49066 | biostudies-arrayexpress

Isobaric labeling-based quantitative proteomics of cells purified from the intestine of Crohn’s disease patients reveals immune cell-epithelial cell crosstalk of potential importance in disease pathogenesis

Project description:Crohn's disease (CD) is a chronic condition characterized by recurrent flares of inflammation of the gastrointestinal tract. Despite decades of research, the etiology of CD is poorly understood and is characterized by dysregulated immune activation that progressively destroys the gastrointestinal tissue. At the center of the pathology is the intestinal mucosa, where the epithelium and the lamina propria are main cellular compartments. While the epithelium contains predominantly epithelial cells, the lamina propria is enriched in immune cells and contains supporting stroma. Thus, the cells constituting these compartments can be classified as epithelial cells, immune cells and stromal cells. Gaining insight into how these cell types interact with each other is important to further our understanding of CD pathogenesis. Here, using isobaric labeling-based quantitative proteomics, we perform an exploratory study to analyze in-depth proteome changes in epithelial cells, immune cells and stromal cells purified by cell sorting from the intestinal mucosa of CD patients and controls. Our workflow preserving the link between the different cell types in individuals opens the possibility to explore cellular crosstalk and to further refine data on cell-cell interactions in the development of CD.

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Microarray analysis of CD14+ CD163high CD160high cells in human intestinal lamina propria

Project description:Several innate immune cell subsets have recently been identified to maintain gut homeostasis in both human and mice. Among these subsets, CX3CR1high CD11b+ CD11c+ cells contribute to intestinal tolerance through various mechanisms in mice. However, whether tolerogenic innate myeloid cells are present in the human intestine is not clearly defined. In this manuscript, we identified an intestinal myeloid cell subset possessing tolerogenic ability. HLA-DRhigh CD14+ CD163high cells in the human colon were divided into two subsets based on CD160 expression: CD163high CD160high and CD163high CD160low cells. Both cell subsets exhibited high levels of IL-10 production and high phagocytic activities. CD163high CD160high cells suppressed effector CD4+ T cell proliferation by a Foxp3+ Treg cell induction-independent mechanism. We further observed that the number and suppressive activity of these cells were profoundly decreased in patients with ulcerative colitis (UC). In addition, CD163high CD160high cells in the UC patients showed inflammatory phenotype, such as increased expression of IL6, CD80, and CD86, accompanied with decreased IL10RB expression. Our results highlight that a tolerogenic CD163high CD160high cell subset might be implicated in the prevention of UC development. Gene expression analysis of pooled lamina propria cells (LPCs) (n=12) and human blood CD14+ monocytes (n=7) were performed using Whole Human Genome Microarray Kit, 4x44K (G4112F) as one-color experiments.

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Transcriptional response of small-intestinal lamina propria CD4+ T cells to bacterial colonization

Project description:We analyzed the transcriptional profile of small-intestinal lamina propria (SI-LP) CD4+ T cells isolated from germ-free and mice monocolonized with Bifidobacterium adolescentis, SFB, and Nexabiotic (a 23-strain, Th17-inducing, probiotic mix).

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Expression data from small intestinal Lin-c-Kit+Sca-1- cells and Lin-c-Kit-Sca-1- cells.

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2012-09-15 | E-GEOD-40882 | biostudies-arrayexpress

Homo sapiens

Project description:Microarray analysis of CD14+ CD163low cells in human intestinal lamina propria

| PRJNA212804 | ENA

RNA-seq bulk of CCR6+Th-cell subsets in Crohn’s Disease, peripheral blood and intestinal lamina propria

Project description:This RNA seq experiment was designed to identify a gene signature of a CCR5-expressing subset of human intestinal Th17-cells. T helper-cells from peripheral blood of healthy donors and from the lamina propria of Crohn’s Disease patients were FACS-purified according to the expression of the chemokine receptors CCR6, CCR5 and CXCR3. Four CCR6+Th- subsets were isolated according to CXCR3 and CCR5 expression: two CXCR3- Th17 subsets (CCR5-: “cTh17” or CCR5+: “pTh17”) and two subsets of CXCR3+ Th1/17-cells (CCR5+ or CCR5-)

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Comparison of splenic and small intestine lamina propria dendritic cells

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Microarray analysis of CD14+ CD163high CD160high cells in human intestinal lamina propria and CX3CR1high CD11b+ CD11c+ cells in murine intestinal lamina propria

Project description:Microarray analysis of CD14+ CD163high CD160high cells in human intestinal lamina propria and CX3CR1high CD11b+ CD11c+ cells in murine intestinal lamina propria

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Project description:Microarray analysis of CD14+ CD163high CD160high cells in human intestinal lamina propria

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