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Microarray analyses of ESAM positive cells in the CD34(+) CD38(-) fraction of collagenase-treated bones

ABSTRACT: We previously identified endothelial cell-selective adhesion molecule (ESAM) as a novel functional marker of hematopoietic stem cells (HSCs) in mice. To examine ESAM expression in human, we analyzed diverse HSC sources using flow cytometry. From mononuclear cells of collagenase-treated human hip bones, we obtained two ESAM positive populations in CD34(+) CD38(-) fraction, referred to as ESAM(High) and ESAM(Bright). Then we conducted microarray analyses comparing gene expression signatures between these two populations.

ORGANISM(S): Homo sapiens

PROVIDER: GSE63877 | GEO | 2014/12/05

SECONDARY ACCESSION(S): PRJNA269303

REPOSITORIES: GEO

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Microarray analyses of ESAM positive cells in the CD34(+) CD38(-) fraction of collagenase-treated bones

Project description:We previously identified endothelial cell-selective adhesion molecule (ESAM) as a novel functional marker of hematopoietic stem cells (HSCs) in mice. To examine ESAM expression in human, we analyzed diverse HSC sources using flow cytometry. From mononuclear cells of collagenase-treated human hip bones, we obtained two ESAM positive populations in CD34(+) CD38(-) fraction, referred to as ESAM(High) and ESAM(Bright). Then we conducted microarray analyses comparing gene expression signatures between these two populations. Trabecular tissues of the femora were treated with collagenase IV and DNase. Mononuclear cells were collected, and CD34(+) CD38(-) ESAM(High) or ESAM(Bright) cells were sorted.

2014-12-05 | E-GEOD-63877 | biostudies-arrayexpress

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Homo sapiens

Project description:Microarray analyses of ESAM positive cells in the CD34(+) CD38(-) fraction of collagenase-treated bones

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Gene expression profiling of fetal liver-derived hematopoietic stem cells in conventional ESAM-knockout mice.

Project description:Endothelial cell-selective adhesion molecule (ESAM) is a life-long maker for hematopoietic stem cells (HSCs). Although we previously elucidated the functional importance of ESAM on HSCs in stress-induced hematopoiesis in adults, it remained unknown how ESAM affects hematopoietic development during fetal life. To address this issue, we analyzed fetuses of conventional ESAM-knockout mice.

2019-12-10 | GSE116896 | GEO

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Microarray analysis of WT ESAM+ and ESAM- cDC 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 differentially expressed genes in ESAM+ and ESAM- CD11b+ and DEC205+ splenic classical DC subsets. Splenocytes were harvested from WT C57Bl/6 or WT Cx3cr1-gfp mice and cDC subsets sorted to >95% purity on the FACSAriaII.

2013-06-01 | E-GEOD-45679 | biostudies-arrayexpress

Skeletal Stem Cell Diversity in Mouse Long Bones

Project description:We have used SmartSeq2 to sequence single phenotypic skeletal stem cell (SSCs) populations purified via FACS from adult mouse long bones. Two putative SSC populations were isolated based on their previously reported surface marker profiles. An osteochondrogenic SSC (ocSSC, CD45-CD31-Tie2-Ter119-CD51+6C3-Thy1-CD105-) and a perivascular SSC (pvSSC, CD45-CD31-Pdgfra+Sca1+CD24+) were investigated.

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The affect of specific ablation of Runx3 from Esam splenic dendritic cells

Project description:Esam/CD4+ dendritic cells are part of the innate immunity essential for priming and activating of CD4+ T cells

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Gene expression analysis of primitive erythroid progenitors from 5-FU-treated WT and ESAM-KO mice.

Project description:To determine the molecular mechanisms involved in the compromised erythropoiesis of ESAM-KO mice, Lin- FCgRII/III-/Lo CD41Lo c-Kit+ Sca1- endoglin+ CD150+ cells, which contain mostly BFU-E and CFU-E, were sorted from 5-FU-treated WT and ESAM-KO mice, and were subjected to microarray analyses.

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The affect of specific ablation of Runx3 from Esam splenic dendritic cells

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2014-06-22 | E-GEOD-48590 | biostudies-arrayexpress

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