نتایج جستجو برای: leukemic stem cell
تعداد نتایج: 1811685 فیلتر نتایج به سال:
Differentiation of mouse and human myeloid leukemic cells in vitro can be induced by some members of the granulocytemacrophage family of colony-stimulating factors. In the mouse, the most active molecule (G-CSF) is able to suppress leukemic stem cell self-generation in an irreversible, asymmetric process, suggesting that the factor permanently modifies newly synthesized one or more daughter chr...
We performed the first genome-wide expression analysis directly comparing the expression profile of highly enriched normal human hematopoietic stem cells (HSC) and leukemic stem cells (LSC) from patients with acute myeloid leukemia (AML). Comparing the expression signature of normal HSC to that of LSC, we identified 3,005 differentially expressed genes. Using 2 independent analyses, we identifi...
Emerging data suggest that VEGF receptors are expressed by endothelial cells as well as hematopoietic stem cells. Therefore, we hypothesized that functional VEGF receptors may also be expressed in malignant counterparts of hematopoietic stem cells such as leukemias. We demonstrate that certain leukemias not only produce VEGF but also express functional VEGFR-2 in vivo and in vitro, resulting in...
Cytogenetic studies of chronic myelogenous leukemia (CML) have shown that the majority of hemopoietic cells originate from pluripotential stem cells affected in this disease. Evidence that lymphocytes are also progeny of these stem cells, however, has been indirect. Philadelphia-chromosome-positive leukemic blasts from a 4 10/12-yr-old boy with CML in blast crisis had features characteristic of...
purpose: to report the outcomes of conjunctival-limbal autograft (clau) in patients with unilateral total limbal stem cell deficiency (lscd) emphasizing surgical problems, complications, and their management. methods: in this prospective interventional case series, clau combined with amniotic membrane transplantation as a graft was performed on 26 patients with unilateral total lscd due to chem...
The level of transcription factor activity critically regulates cell fate decisions such as hematopoietic stem cell self-renewal and differentiation. The balance between hematopoietic stem cell self-renewal and differentiation needs to be tightly controlled, as a shift toward differentiation might exhaust the stem cell pool, while a shift toward self-renewal might mark the onset of leukemic tra...
evidence acquisition the fifty two significant articles discussing the stem cell in chronic myeloid leukemia from 1996 to 2012 were selected according to the authors’ experience. results studies have shown that primitive cml cells are less responsive to tyrosine kinase inhibitors (tkis) and are a reservoir for the relapse of multi drug resistant (mdr). conclusions following that, minimal residu...
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