نتایج جستجو برای: m csf
تعداد نتایج: 564727 فیلتر نتایج به سال:
The immunopathogenesis of autoimmune insulin-dependent diabetes in NOD mice entails defects in the development of macrophages (M phi s) from hematopoietic precursors. The present study analyzes the cellular and molecular basis underlying our previous finding that the Mø growth factor colony-stimulating factor 1 (CSF-1) promotes a reduced level of promonocyte proliferation and M phi development ...
The Protein kinase C (PKC) -associated signal pathway plays crucial roles in regulation of cell growth, differentiation and apoptosis. The present study focuses on conventional PKC (cPKC) expression and its regulation in primary cultures of bone marrow cells induced to undergo macrophage/granulocyte differentiation by macrophage colony-stimulating factor (M-CSF) or granular colony-stimulating f...
Macrophages (MΦ) play an essential role in innate immune responses and can either display a pro-inflammatory, classically activated phenotype (M1) or undergo an alternative activation program (M2) promoting immune regulation. M-CSF is used to differentiate monocytes into MΦ and IFN-γ or IL-4+IL-13 to further polarize these cells towards M1 or M2, respectively. Recently, differentiation using on...
BACKGROUND AND OBJECTIVE Since limited data concerning quantitative and qualitative differences of CD34+ cells collected after different mobilization schedules are available, we investigated phenotype, proliferative capacity and primitive progenitor cell content of CD34+ cells mobilized with four different regimens. DESIGN AND METHODS The number, phenotype, and progenitor cell content of CD34...
We have assessed the effects of erythropoietin (ape) and colony-stimulating factor (CSF) on mouse bone marrow cells in vitro. When pure human urinary epo, at a dose that maximally stimulated erythroid burst formation. was added to cultures along with increasing amounts of CSF. two types of competitive effect were evident. Epo caused suppression of the number of granulocyte-macrophage (G-M) colo...
Macrophage colony-stimulating factor (recombinant human M-CSF) given as a single intravenous injection to Lewis rats induces a dose-dependent peripheral monocytosis, neutrophilia, and lymphopenia. The monocytosis peaks at 28 to 32 hours with a seven- to eightfold increase in the number of circulating monocytes and promonocytes. The peripheral monocytosis is accompanied by a slight increase in m...
The effects of macrophage colony-stimulating factor (M-CSF) on CD4 receptor expression, susceptibility to human immunodeficiency virus type 1 (HIV) infection, and anti-HIV activity of dextran sulfate and soluble-CD4 were studied in cultured, human primary macrophages. M-CSF stimulated macrophage cells to express the CD4 receptor, and this resulted in an increase of both the number of CD4+ cells...
Wound healing is a complicated process requiring the collaborative efforts of different cell lineages. Our recent studies have found that one subset of hematopoietic cells can be induced to dedifferentiate into multipotent stem cells by means of a proliferating fibroblast releasable factor, M-CSF. Understanding the importance of stem cells on skin wound healing, here we evaluate the biological ...
The mechanism of action of macrophage colony-stimulating factor (M-CSF) in osteoclast development was examined in a co-culture system of mouse osteoblastic cells and spleen cells. In this co-culture, osteoclast-like multinucleated cells (MNCs) were formed within 6 d in response to 10 nM 1 alpha,25(OH)2D3 added only for the final 2 d of culture. Simultaneously adding hydroxyurea for the final 2 ...
The interferon-inducible (Ifi)204 gene was isolated as a macrophage-colony stimulating factor (M-CSF)-responsive gene using a gene trap approach in the myeloid interleukin-3 (IL-3)-dependent FD-Fms cell line, which differentiates in macrophages in response to M-CSF. Here, we show that Ifi204 was transcriptionally activated in response to M-CSF, and FD-Fms cells decreased their growth and commit...
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