نتایج جستجو برای: bone marrow stromal cells
تعداد نتایج: 1637457 فیلتر نتایج به سال:
A dynamic interplay between prostate cancer cells and reactive bone stroma modulates growth of metastases within bone. We used microarray analysis to screen for changes in gene expression in bone marrow stromal cells cocultured with prostate cancer cells and found reduced expression of endoglin, a transmembrane glycoprotein that functions as an auxiliary coreceptor for members of the transformi...
Polycyclic aromatic hydrocarbons (PAHs) are known immunotoxins and carcinogens. Our laboratory and others have demonstrated that metabolism of these compounds by CYP1B1 is required for carcinogenicity and immunotoxicity to occur. Previously, our laboratory reported significantly decreased bone marrow cellularity in mice following 7,12-dimethlybenz[a]anthracene (DMBA) administration. In addition...
introduction: bone marrow contains a population of stem cells capable of differentiating to osteoblast and forming the bone nodule by dexamethasone. material and methods: the stromal cells of bone marrow obtained from 4 to 6 weeks old spruge-dawely male rats were grown in primary culture for 7 days and subcultured for 18 days. the cells were cultured in either dmem medium containing 15% fetal c...
The molecular mechanisms controlling the differentiation of bone marrow stromal stem cells into osteoblasts remain largely unknown. In this study, we investigated whether bone marrow stromal antigen 2 (BST2) influences differentiation toward the osteoblasts lineage. BST2 mRNA expression in human alveolar-derived bone marrow stromal cells (hAD-BMSCs) increased during differentiation into osteobl...
Stem cell-based cellular therapy is a promising tool for the treatment of pathological conditions with underlying severe tissue damage or malfunction like in chronic cardiovascular, musculoskeletal, inflammatory conditions. One biggest technical challenges use natural stem cells, however, prevention their premature senescence during therapeutical manipulations. Culturing cells under hypoxic bel...
objective: non:union: is defined as a minimum of a 9-month period of time since an injury with no visibly progressive signs of healing for 3 months. recent studies show that application of mesenchymal stromal cells (mscs) in the laboratory setting is effective for bone regeneration. animal studies have shown that mscs can be used to treat non:union:s. for the first time in an iranian population...
Immune-mediated bone marrow failure syndromes (BMFS) are characterized by ineffective marrow haemopoiesis and subsequent peripheral cytopenias. Ineffective haemopoiesis is the result of a complex marrow deregulation including genetic, epigenetic, and immune-mediated alterations in haemopoietic stem/progenitor cells, as well as abnormal haemopoietic-to-stromal cell interactions, with abnormal re...
An exogenous supply of growth factors and bioreplaceable scaffolds may help bone regeneration. The aim of this study was to examine the effects of TGF-β1 and VEGF-A transgenes on the osteogenic potential of bone marrow stromal cells. Rat bone marrow stromal cells were transfected with plasmids encoding mouse TGF-β1 and/or VEGF-A complementary DNAs and cultured for up to 28 days. Furthermore, co...
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