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Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress. [RNA-Seq]

ABSTRACT: Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress. [RNA-Seq]

PROVIDER: PRJNA492808 | ENA |

REPOSITORIES: ENA

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Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress.

Project description:Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress.

| PRJNA492805 | ENA

Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress. [scRNA-Seq]

Project description:Although hematopoietic stem and progenitor cells (HSPCs) become activated in the cell-cycle status after chemotherapy to supply hematopoietic loss, the detailed mechanisms of activation remain unknown. Here we show that Sca1+ macrophages play a key role for bone marrow (BM) recovery through granulocyte-macrophage colony-stimulating factor (GM-CSF) secretion. By analyzing gene expression profiles of HSPCs lodged in 5-fluolouracil (5-FU)-treated mice, we found GM-CSF as a key proliferative signal. Sca1+ macrophages in BM after 5-FU treatment expressed high levels of GM-CSF. GM-CSF-knockout mice treated with 5-FU were lethal because of severe BM suppression. Up-regulation of Csf2 in Sca1+ macrophages by 5-FU was suppressed in MyD88-knockout mice, suggesting that TLR signaling via damage-associated molecular patterns caused by cell death is critical for up-regulation of Csf2. In 5-FU treated BM, majority of Sca1+ macrophages and transplanted HSPCs locate perivascular areas. These findings together indicate that Sca1+ macrophages induce HSPCs to proliferate through GM-CSF signaling in the stressed BM environments.

2021-01-20 | GSE120112 | GEO

Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress. [RNA-Seq]

2021-01-20 | GSE120111 | GEO

Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress. [scRNA-Seq]

Project description:Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress. [scRNA-Seq]

| PRJNA492809 | ENA

Sca1+ macrophages activate hematopoietic stem/progenitor cells upon bone marrow stress.

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-01-20 | GSE120113 | GEO

Sca1-CD45 sorted bone marrow

Project description:Sca1-CD45 sorted bone marrow Keywords: other

2005-09-01 | GSE3241 | GEO

Transcription profiling of mouse Sca1-CD45 sorted bone marrow

Project description:Sca1-CD45 sorted bone marrow Experiment Overall Design: this experiment include 4 samples and 22 replicates

2008-06-12 | E-GEOD-3241 | biostudies-arrayexpress

Combinatorial Gata2 and Sca1 expression defines hematopoietic stem cells in the bone marrow niche.

Project description: Not available

| S-EPMC1413708 | biostudies-literature

E-Cigarette Exposure Decreases Bone Marrow Hematopoietic Progenitor Cells.

Project description: Not available

| S-EPMC7464997 | biostudies-literature

Gene expression profiling of CD45+/Sca1+ cells isolated from the bone marrow and the muscle

Project description:The BM-derived CD45+/Sca1+ cells are haematopoietic stem/progenitor cells that have the ability to circulate and migrate and engraft to the muscle tissue, and therefore they are of particular interest. Notably, these cells retain their haematopoietic potential, as revealed both by in vitro and in vivo assays; but they also acquire myogenic potential, as shown by their ability to participate in muscle regeneration. Whether, this latter remarkable ability is the result of the reprogramming of the BM-CD45+/Sca1+ cells and the activation of a myogenic molecular program within these cells, remains controversial. This study aims to clarify this aspect of the process, investigating the role of the muscle microenviroment and key myogenic transcription factors. Keywords: CD45+/Sca1+ cells, BM, muscle CD45+/Sca1+ cells isolated from the BM or the muscle were processed fresh and their RNA was extracted. Moreover, CD45+/Sca1+ cells isolated from the muscle of BM transplanted or untransplanted mice after injury with Cardiotoxin were processed fresh and their RNA was extracted.

2010-04-05 | E-GEOD-9296 | biostudies-arrayexpress

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