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

ABSTRACT: 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.

ORGANISM(S): Homo sapiens

PROVIDER: GSE79627 | GEO | 2016/07/17

SECONDARY ACCESSION(S): PRJNA316475

REPOSITORIES: GEO

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Microarray analysis of CX3CR1high CD11b+ CD11c+ cells in murine 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 murine CX3CR1high cells (n=10) and murine blood Ly6c+ CD11b+ monocytes (n=6) were performed using Whole Mouse Genome Microarray Kit, 4x44K V2 (G4846A) as dye-swapped experiments.

2016-07-17 | E-GEOD-79628 | biostudies-arrayexpress

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.

2016-07-17 | E-GEOD-79627 | biostudies-arrayexpress

Microarray analysis of CX3CR1high CD11b+ CD11c+ cells in murine intestinal lamina propria

2016-07-17 | GSE79628 | GEO

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

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

2013-08-24 | GSE49066 | GEO

Differential pathogenic Th17 profile in mesenteric lymph nodes of Crohn's disease and ulcerative colitis patients

Project description:The drug targets IL23 and IL12 regulate pathogenicity and plasticity of intestinal Th17 cells in Crohn’s disease (CD) and ulcerative colitis (UC), the two most common inflammatory bowel diseases (IBD). However, studies examining Th17 dysregulation in mesenteric lymph nodes (mLNs) of these patients are rare. We showed that in mLNs, CD could be distinguished from UC by increased frequencies of CCR6+CXCR3-RORg+Tbet-CD4+ (Th17) memory T cells enriched in CD62Llow effector memory T cells (TEM), and their differentially expressed molecular profile. Th17 TEM cells (expressing IL17A, IL17F, RORC and STAT3) displayed a higher pathogenic/cytotoxic (IL23R, IL18RAP, and GZMB, CD160, PRF1) gene signature in CD relative to UC, while non-pathogenic/regulatory genes (IL9, FOXP3, CTLA4) were more elevated in UC. In both CD and UC, IL12 but not IL23, augmented IFNg expression in Th17 TEM and switched their molecular profile towards an ex-Th17 (Th1*)-biased transcriptomic signature (increased IFNG, and decreased TCF7, IL17A), suggesting that Th17 plasticity occurs in mLNs before their recruitment to inflamed colon. We propose that differences observed between Th17 cell frequencies and their molecular profile in CD and UC might have implications in understanding disease pathogenesis, and thus, therapeutic management of patients with IBD.

2019-05-17 | GSE131359 | GEO

Structural Remodeling of the Human Colonic Mesenchyme in Inflammatory Bowel Disease [1]

Project description:Intestinal health is sustained by cooperation between diverse cell types, including epithelial cells, immune cells and stromal cells. Colonic stromal cells provide critical structural support but also regulate mucosal immunity, tolerance and inflammatory responses. Although mucosal stromal cells display substantial variability and plasticity, a paucity of unique genetic markers has precluded the identification of distinct stromal populations and functions. We used single-cell RNA-sequencing to uncover heterogeneity and subtype-specific markers of individual colonic stromal cells in health and ulcerative colitis (UC). Marker-free transcriptional clustering revealed four distinct stromal populations in healthy colon, corresponding to myofibroblasts and three previously unknown distinct subsets of fibroblasts. These fibroblast subsets were substantially remodeled in UC compared to healthy colon: inflamed UC colon was depleted for a healthy fibroblast subpopulation associated with epithelial cell homeostasis, and enriched for a novel disease-associated subtype expressing pro-inflammatory genes. Thus, we have discovered new, molecularly distinct colonic stromal cell subtypes that are altered in human disease.

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Structural Remodeling of the Human Colonic Mesenchyme in Inflammatory Bowel Disease [2]

2018-09-26 | GSE95446 | GEO

Fetal-derived activated CD83+ γδ T cells expand in preterm infants with sepsis.

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