نتایج جستجو برای: hl 60 cell
تعداد نتایج: 1947016 فیلتر نتایج به سال:
The cellular accumulation of vitamin C, a substance critical to human physiology, is mediated by transporters located at the cell membrane, and is regulated in a cell-specific manner. Neoplastic cells may have special needs for vitamin C. Therefore, we investigated the transport of vitamin C in a human myeloid leukemia cell line (HL-60). The HL-60 cells lacked the capacity to transport the redu...
The aim of this study is to search critical renin-angiotensin system (RAS) elements in myeloid leukemic cell lines. Human acute myeloid leukemia (AML) cell lines, KG-1 and HL-60, were cultured. We searched for the gene expression of the major RAS components in KG-1 and HL-60 cell lines by quantitative real-time polymerase chain reaction analysis (qRT-PCR). Angiotensin-converting enzyme I (ACE I...
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...
INTRODUCTION: Acute promyelocytic leukemia (APL) is a malignant disorder of the white blood cells. Arsenic trioxide (As(2)O(3)) has been used as a therapeutic agent to treat APL and other tumors. Studies suggest that ascorbic acid (AA) supplementation may improve the clinical outcome of As(2)O(3) for APL patients. Our aim was to use human leukemia (HL-60) APL-cells as an in vitro test model to ...
We examined the differentiation activity of retinoyl beta-D-glucuronide, a biologically active physiological metabolite of vitamin A, using the human promyelocytic leukemic cell line HL-60, which can be induced to differentiate with retinoic acid. Retinoyl beta-D-glucuronide (1 microM) inhibited HL-60 cell proliferation by 55-75%, inhibited tritiated thymidine incorporation into DNA by 63-80%, ...
Retinoic acid is known to induce differentiation of human myeloid leukemia cells in vitro. Recently, all-trans retinoic acid has been used to induce remissions in patients with acute promyelocytic leukemia, probably through differentiation of the leukemia cells. Myeloblastin (mbn) is a protease that has been identified in the human leukemia cell line HL-60. Downregulation of this protease can i...
Induction of differentiation of the human promyelocytic leukemia cell line, HL-60, by dimethyl sulfoxide was analyzed for a requirement for cell replication. The ability of HL-60 cells to undergo terminal granulocytic differentiation as judged by nitroblue tetrazolium reduction, phagocytosis, and morphological criteria was not impaired by a total block in cellular proliferation. Retinoic acid, ...
Both peripheral blood monocytes and neutrophils are known to be capable of lysing a variety of extracellular tumor and non-tumor cell targets. The HL-60 human promyelocytic leukemia cell line has served as a useful model of human granulocyte and macrophage differentiation in studies from many laboratories. We have previously reported that phorbol diesters, which induce differentiation along the...
This work compares effect of histondeacetylase inhibitor, valproic acid (VA), on proliferation, differentiation and apoptosis induction in two human leukemic cell lines: HL-60 (human promyleocytic leukemia, p53 negative) and MOLT-4 (human T-lymphocyte leukemia, p53 wild type). Incubation with VA caused decrease in percentage of cells in S phase of cell cycle. The decrease was more intensive in ...
We and others have demonstrated expression of the aldo-keto reductase AKR1C3 in myeloid leukemia cell lines and that inhibitors of the enzyme, including nonsteroidal anti-inflammatory drugs (NSAIDs), promote HL-60 differentiation in response to all-trans retinoic acid (ATRA) and 1alpha,25-dihydroxyvitamin D3 (D3). Here, we demonstrate that overexpression of AKR1C3 reciprocally desensitizes HL-6...
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