نتایج جستجو برای: k562 cell line
تعداد نتایج: 1970287 فیلتر نتایج به سال:
We studied the anti-tumor effect of control human lymphocytes and interleukin-2 (IL-2) activated lymphocytes (lymphokine activated killer cells, LAK-cells), on two different cell lines: SW742 human colon adenocarcinoma and K562 human myeloid leukaemia cell line. Our results indicate that IL-2 augment the anti-tumor activity of human lymphocytes and these LAK-cells lyse the tumor cells very effi...
Euphorbiaceae is a family of plant spread in all parts of the world except very cold regions. The genus Euphorbia consists of over eighty-two species grown wildly in Iran. Some of Euphorbia species are used in the treatment cancer and tumors in different countries. The genus Euphorbia has been the source of a large number of biological active compounds. In this study petroleum ether, ether, eth...
Tescalcin (TESC) has been shown to be essential in mammalian cells as a regulator of intracellular Ca2+. Ca2+ is second messenger functioning many metabolic pathways well cell differentiation, size and the cycle. K562 over-expressing TESC change their morphology adopt adherent properties. Considering differences may have reflected changes cytoskeleton, we focused on expression levels keratins, ...
Materials and methods Malignant autologous epithelial cells of 10 colorectal carcinoma patients were separated by cell culture procedures. Peripheral blood mononuclear cells (PBMCs) were stimulated with their mitomycin treated autologous tumour cells or allogeneic SW742 colorectal carcinoma cell line. The expression of CD3, CD56, NKG2D and NKp44 were detected with flowcytometry and reverse tran...
background: in the previous study, we have shown that the presence of a allele at position -588 in aγ-globin gene was highly frequent and closely associated with fetal hemoglobin elevation among β-thalassemia intermedia patients. therefore, we decided to investigate whether this allele (a allele at -588) could result in an increase in aγ-globin gene expression to ameliorate the severity of the ...
BACKGROUND Attachment of leukemic cells to vascular endothelial cells induces the vascular endothelial cells to release endothelial cell-derived interleukin 8 (endothelial IL-8), which then induces leukemic cells to undergo apoptosis. NB4, a human promyelocytic leukemic cell line that expresses high levels of cell-surface CD13/aminopeptidase N, does not undergo endothelial IL-8-induced apoptosi...
We have investigated the hormonal responsiveness of K562 cells using a serum-substituted in vitro clonogenic assay. Dexamethasone inhibited colony formation by the K562 cells. and the inhibitory effect could be reversed by progesterone (10 M). Fluoxymesterone caused a prominent enhancement of K562 colony growth. whereas estriol had no effect. Stimulation by triiodothyronine was maximal at iO M....
Background: The aim of this study was to evaluate the effect of extracted cell walls from Lactobacillus casei and Lactobacillus paracasei as probiotic bacteria (isolated from common carp intestine) on K562 and the role of cell concentration on the results of MTT [3-(4,5-Dimethylthiazol-2-yl)2,5- Diphenyl tetrazolium Bromide] test.Methods: For this purpose, bacteria were cultured in specific med...
The beta 2 integrin lymphocyte function-associated antigen 1 (LFA-1) mediates activation-dependent adhesion of lymphocytes. To investigate whether lymphocyte-specific elements are essential for LFA-1 function, we expressed LFA-1 in the erythroleukemic cell line K562, which expresses only the integrin very late antigen 5. We observed that LFA-1-expressing K562 cannot bind to intercellular adhesi...
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