Characterization of murine non-hematopoietic Gli1+ bone marrow cells in homeostasis
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PROVIDER: PRJNA657885 | ENA |
REPOSITORIES: ENA
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Project description:We performed fate tracing of Gli1+ cells in homeostasis. Sorted cells were subjected to scRNAseq and integrated with non-hematopoietic cells from mice with myelofibrosis induced by either ThPO- or JAK2V617F-overexpression. Gli1+tdTom+ cells largely overlap with pro-fibrotic adipogenic and osteogenic MSCs, which show a strong upregulation of ECM related transcripts. Additionally, a subgroup of Gli1+tdTom+ cells shows similarity with bone marrow SCPs.
2020-11-03 | GSE156440 | GEO
Project description:Gli1+ cells as a driver and key target in bone marrow fibrosis
| PRJEB19811 | ENA
Project description:Thiele2013 - Bone marrow hematopoietic cells
The model of bone marrow hematopoietic cells metabolism is derived from the community-driven global reconstruction of human metabolism (version 2.02, MODEL1109130000
).
This model is described in the article:
A community-driven global reconstruction of human metabolism.
Thiele I, et al
.
Nature Biotechnology
Abstract:
Multiple models of human metabolism have been reconstructed, but each represents only a subset of our knowledge. Here we describe Recon 2, a community-driven,
consensus 'metabolic reconstruction', which is the most comprehensive representation of human metabolism that is applicable to computational modeling. Compared
with its predecessors, the reconstruction has improved topological and functional features, including ~2x more reactions and ~1.7x more unique metabolites. Using
Recon 2 we predicted changes in metabolite biomarkers for 49 inborn errors of metabolism with 77% accuracy when compared to experimental data. Mapping metabolomic
data and drug information onto Recon 2 demonstrates its potential for integrating and analyzing diverse data types. Using protein expression data, we automatically
generated a compendium of 65 cell type-specific models, providing a basis for manual curation or investigation of cell-specific metabolic properties. Recon 2 will
facilitate many future biomedical studies and is freely available at http://humanmetabolism.org/.
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2005-01-01 | MODEL1310110030 | BioModels
Project description:Macrophages are central in regulating iron homeostasis. Transcription repressor Bach1 regulates by heme. Here we investigated the relationship between heme-regulated Bach1 and bone marrow derived macrophage. We found that Bach1 KO macrophage showed that up-regulated genes were the process that iron-heme homeostasis and maintenance related gene compared with WT. Our results suggest that Bach1 expression is important to the heme homeostasis and maintenance in the bone marrow derived macrophage.
2019-03-30 | GSE79717 | GEO
Project description: Not available
| S-EPMC4076584 | biostudies-literature
Project description:Skeletal growth promoted by endochondral ossification is tightly coordinated by self-renewal and differentiation of chondrogenic progenitors. Emerging evidence has shown that multiple skeletal stem cells (SSCs) participate in cartilage formation. However, as yet, no study has reported the existence of common long-lasting chondrogenic progenitors in various types of cartilage. Here, we identified Gli1+ chondrogenic progenitors (Gli1+ CPs), which were distinct from SSCs, were responsible for the lifelong generation of chondrocytes in the growth plate, vertebrae, ribs, and other cartilage. The absence of Gli1+ CPs led to cartilage defects and dwarfishness phenotype in mice. Furthermore, we found that the BMP signal played an important role in self-renewal and maintenance of Gli1+ CPs. The deletion of Bmpr1α caused the exhaustion of Gli1+ CPs, consequently disrupting columnar cartilage. Collectively, our data demonstrate that Gli1+ CPs are common long-term chondrogenic progenitors in multiple types of cartilage and are essential to maintain cartilage homeostasis.
2024-02-18 | GSE249831 | GEO
Project description:We isolated non-hematopoietic cells from fibrotic and non-fibrotic mouse bone marrow and perfomed scRNAseq on them. We identified 8 different stromal populations. Our analysis revealed two distinct mesenchymal stromal cells (MSC) subsets as pro-fibrotic cells. MSCs were functionally reprogrammed in a stagedependent manner with loss of their progenitor status and initiation of differentiation in the prefibrotic stage and acquisition of a pro-fibrotic and inflammatory phenotype in the fibrotic stage. In parallel, IL-33-expressing myelinating Schwann cell progenitors expanded, likely as a repair mechanism for the previously described neuropathy in MPN.
2020-11-03 | GSE141736 | GEO
Project description:Macrophages are central in regulating iron homeostasis. Transcription repressor Bach2 regulates by heme. Here we investigated the relationship between heme-regulated Bach2 and macrophage in bone marrow. We identified RFP-positive and negative macrophage were in bone marrow. We found that RFP-positive macrophage related with iron-heme homeostasis maintenance and RPF-negative population related with immune response. In RFP positive macrophage, we also found the lysosomal heme transporter hrg-1 was Bach2 direct target gene. Our results suggest that the function of the bone marrow macrophage alters according to expression of Bach2.
2018-09-26 | GSE79697 | GEO
Project description:Neutrophil homeostasis is maintained, in part, by the regulated release of neutrophils from the bone marrow. Constitutive expression of the chemokine CXCL12 by bone marrow stromal cells provides a key retention signal for neutrophils in the bone marrow through activation of its receptor CXCR4. Herein, we show that the ELR chemokines CXCL1 and CXCL2 are constitutively expressed by bone marrow endothelial cells and osteoblasts, and CXCL2 expression is induced in endothelial cells during granulocyte colony-stimulating factor (G-CSF)-induced neutrophil mobilization. Neutrophils lacking CXCR2, the receptor for CXCL1 and CXCL2, are preferentially retained in the bone marrow, reproducing a myelokathexis phenotype. Transient disruption of CXCR4 failed to mobilize CXCR2 neutrophils. However, doubly deficient neutrophils (CXCR2-/- CXCR4-/-) displayed constitutive mobilization, showing that CXCR4 plays a dominant role. Collectively, these data suggest that CXCR2 signaling is a second chemokine axis that interacts antagonistically with CXCR4 to regulate neutrophil release from the bone marrow. We used gene expression microarrays to determine the changes in osteoblasts and bone marrow endothelial cells after G-CSF treatment. 3 untreated and G-CSF-treated osteoblast samples and 4 untreated and G-CSF-treated endothelial samples.
2010-07-14 | E-GEOD-22925 | biostudies-arrayexpress
Project description:RATIONALE: Radiation therapy uses high-energy x-rays to damage cancer cells. Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Combining chemotherapy with bone marrow transplantation may allow the doctor to give higher doses of chemotherapy drugs and kill more tumor cells.
PURPOSE: Phase II trial to study the effectiveness of bone marrow transplantation in treating patients who have hematologic cancer.
| 2004880 | ecrin-mdr-crc