نتایج جستجو برای: hl 60 cell
تعداد نتایج: 1947016 فیلتر نتایج به سال:
Normal human monocytes and macrophages. as well as leukemic promyelocytes. generate potent procoagulant activity (PCA) resembling thromboplastin. In the present study only mild PCA was detected in a leukemic promyelocytic cell line (HL-60) and in promyelocytic cells induced to differentiate into neutrophils by dimethylsulfoxide (DMSO). After exposure to 1 2-O-tetradecanoylphorbol1 3-acetate (TP...
The human cell lines HL-60 (acute promyelocytic leukemia) and U-937 (histiocytic monoblast-like lymphoma) differentiate to functionally mature cells by incubation with retinoic acid (RA). This differentiation is potentiated by agents known to increase intracellular cyclic adenosine 3':5'-monophosphate (cAMP) levels. The present study shows that these cells can be primed for differentiation by t...
We investigated the in vitro effects of acteoside on the proliferation, cell cycle regulation and differentiation of HL-60 human promyelocytic leukemia cells. Acteoside inhibited the proliferation of HL-60 cells in a concentration- and time-dependent manner with an IC50, approximately 30 microM. DNA flow cytometric analysis indicated that acteoside blocked cell cycle progression at the G1 phase...
Introduction & Objective: Acute promyelocytic leukemia (APL) is a kind of acute leukemia characterized by a balanced t (15, 17) translocation which fails to develop into mature cells and proliferate in an unregulated fashion. In the recent years, in addition to combinatoral chemotherapy to treat unmature cancerous cells, differentiation therapy by differentiating agents as a novel procedure ...
Granulocytic maturation of HL-60 promyelocytic leukemia cells induced by dimethylsulfoxide has been shown to produce a decrease in cellular protein phosphotyrosine residues and increases in both tyrosine kinase and protein phosphotyrosine phosphatase activities (D. A. Frank and A. C. Sartorelli, Biochem. Biophys. Res. Commun., 140: 440-447, 1986). These changes have been shown to not be restric...
A new oleanane-type saponin oleiferasaponin C6 (OSC6) was isolated and identified from Camellia oleifera seeds through NMR, HR-ESI-MS, and GC-MS spectroscopic methods. This new oleanane-type saponin exhibits potent cytotoxic activities on five human cancer cell lines (BEL-7402, BGC-823, MCF-7, HL-60 and KB), especially in HL-60 and BEL-7402 cell lines. The action mechanism of the anti-cancer ac...
Micheliolide (MCL) derivatives with etherification or esterification of the hydroxyl group at the C4 position were synthesized and evaluated for their activities against different acute myelogenous leukemia (AML) cell lines. These derivatives demonstrated comparable activities against AML cell lines HL-60 and doxorubicin resistant cell line HL-60/A. As to multi-drug resistant AML progenitor cel...
The cell surface antigenic phenotype of HL-60, a human acute promyelocytic leukemia cell line, has been analyzed before and after maturation induction with dimethylsulfoxide (DMSO) using a panel of markers including a "library" of monoclonal antibodies and "conventional" antisera in conjunction with the fluorescene-activated cell sorter. HL-60 cells express granulocyte and "leukocyte" different...
Changes of glycosphingolipids (GSLs) in the bipotential cell differentiation of human promyelocytic leukemia cell line HL-60 cells were investigated by high-performance thinlayer chromatography (HPTLC). with special reference to morphological and functional changes, such as phagocytosis and nitroblue tetrazolium (NBT) reduction. Nine molecular species of neutral GSLs and 1 3 or more species of ...
Interleukin-5 (IL-5) promotes the growth and differentiation of human eosinophils and may regulate the selective eosinophilia and eosinophil activation seen in certain diseases. Radiolabeled recombinant human IL-5 (hIL-5) was used to characterize the IL-5 receptor present on normal human eosinophils and on the myeloid leukemia line HL-60, which can be induced to differentiate into eosinophilic ...
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