Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA273965 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Granulocyte-Macrophage colony stimulating factor (GM-CSF) devlops heterogenous myeloid cell populations from bone marrow progenitor cells. In vitro generated bone marrow derived cells are excellent sources for obtaining dendritic cells or macrophages, but it is still not clear about the exact mixed population characteristics of GM-CSF grown cells. We revealed here that GM-CSF grown bone marrow cell derived attaching cells were composed of dendritic cells (GM-BMDC) as well as macrophages (GM-BMM). We compared the transcriptome profiles of these cell populations as well as M-CSF grown bone marrow derived macrophages (M-BMM). We used microarrays to detail the global profile of gene expressions between three populations of CSF-grown bone marrow derived cells: GM-CSF derived dendritic cells (GM-BMDC), GM-CSF derived macrophages (GM-BMM) and M-CSF derived macrophages (M-BMM).
2015-01-30 | GSE65425 | GEO
Project description:Granulocyte-Macrophage colony stimulating factor (GM-CSF) devlops heterogenous myeloid cell populations from bone marrow progenitor cells. In vitro generated bone marrow derived cells are excellent sources for obtaining dendritic cells or macrophages, but it is still not clear about the exact mixed population characteristics of GM-CSF grown cells. We revealed here that GM-CSF grown bone marrow cell derived attaching cells were composed of dendritic cells (GM-BMDC) as well as macrophages (GM-BMM). We compared the transcriptome profiles of these cell populations as well as M-CSF grown bone marrow derived macrophages (M-BMM). We used microarrays to detail the global profile of gene expressions between three populations of CSF-grown bone marrow derived cells: GM-CSF derived dendritic cells (GM-BMDC), GM-CSF derived macrophages (GM-BMM) and M-CSF derived macrophages (M-BMM). Bone marrow cells were differentiated for 7 days with 25 ng/ml GM-CSF or 20% L cell conditioned media as a M-CSF supplier. GM-BMDCs were sorted from MHCIIhighF4/80low population and GM-BMMs were sorted in the MHCIIlowF4/80high population. M-BMMs were sorted from CD11b+F4/80+ population.
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Project description:Severe congenital neutropenia (SCN) is a rare disorder characterized by a maturation arrest of myeloid progenitor cells in the bone marrow and severe reduction in the amount of circulating neutrophils. Loss-of-function mutations in the CSF3R (the gene encoding the granulocyte colony-stimulating factor (G-CSF) receptor) have been reported in a handful of cases. We describe two novel pedigrees with moderate neutropenia. G-CSFR immunostaining was greatly reduced on patient neutrophils. G-CSF did not prolong neutrophil survival or enhanced reactive oxygen species generation, and STAT-3 phosphorylation was absent, while neutrophils did respond to granulocyte-macrophage colony-stimulating factor (GM-CSF). Despite a lack of G-CSF signaling, morphology and cellular proteomics were normal. We suggest the major role of G-CSF is not in myeloid differentiation, but in generation of sufficient number of committed progenitor cells for neutrophil release and their survival during inflammation, which corresponds with G-CSFR expression in myeloid cell fractions from bone marrow of healthy individuals.
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Project description:To analyse the Irf4-dependent transcriptional changes of mouse bone marrow-derived macrophages (BMM) in response to IL-4, we have employed whole genome microarray expression profiling. For this purpose, bone marrow cells were isolated from 8 to 12 weeks old Irf4-deficient or heterozygous mice and cultured in the presence of the macrophage colony-stimulating factor (M-CSF) . After seven days of culture, IL-4 was added for 4 and 18 hours. Keywords: Mouse strain comparision; Gene expression profiling
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