نتایج جستجو برای: beta particle k562 cell
تعداد نتایج: 1971489 فیلتر نتایج به سال:
Taking into account the special role of oxidative stress that increases during cancer chemotherapy, effect antioxidant emoxipine on peripheral blood mononuclears was studied under conditions simulate cytotoxic effects antimetabolites a number modified cytidine nucleosides in relation to tumor cell line K562. Lymphoid cells were also source for subsequent modelling immune response cancer. It fou...
Activity guided fractionations led to the isolation of two antitumor compounds 5 alpha,8 alpha-epidioxy-24(R)-methylcholesta-6,22-dien-3 beta-D-glucopyranoside and 5,6-epoxy-24(R)-methylcholesta-7,22-dien-3 beta-ol from the methanol extract of Cordyceps sinensis. Two previously known compounds, ergosteryl-3-O-beta-D-glucopyranoside and 22-dihydroergosteryl-3-O-beta-D-glucopyranoside were also i...
The effects of three inhibitors of inosine monophosphate (IMP) dehydrogenase on a human erythroleukemic cell line, K562, were studied. Following incubation with these inhibitors, K562 cells underwent differentiation and accumulated hemoglobins. The induction of hemoglobin accumulation was dose dependent; maximum induction was observed at 100, 25, and 3 microM, respectively, for ribavirin, tiazo...
PLC-beta 1 (PLCβ1) inhibits in human K562 cells erythroid differentiation induced by mithramycin (MTH) by targeting miR-210 expression. Inhibition of miR-210 affects the erythroid differentiation pathway and it occurs to a greater extent in MTH-treated cells. Overexpression of PLCβ1 suppresses the differentiation of K562 elicited by MTH as demonstrated by the absence of γ-globin expression. Inh...
Problem statement: Cellular drug resistance to anticancer agents is major obstacle in cancer chemotherapy and the mechanisms by which these MDR cells possess for protecting themselves to survive prolonged exposure to cytotoxic agents still debating. The study aimed to clarify the role of P-glycoprotein (Pgp) and enhanced drug sequestration in lysosomes to confer the multidrug resistance K562 ce...
Chronic myelogenous leukemia (CML) is characterized by the t(9;22) (q34;q11)-associated Bcr-Abl fusion gene, which is an essential element of clinical diagnosis. As a traditional Chinese medicine, realgar has been widely used for the treatment of various diseases for >1,500 years. Inspired by nano-drug, realgar nanoparticles (NPs) have been prepared with an average particle size of <100 nm in a...

 Purpose: To determine the effect of fresh soy milk and its compounds (coumestrol, daidzein genistein) on apoptosis in human leukemic cells peripheral blood mononuclear (PBMC).
 Methods: The apoptotic (K562, Jurkat, U937) PBMC was determined by flow cytometry. from healthy donors were isolated conducting density gradient centrifugation principle. Lymphoprep cytotoxicity evaluated 3-(...
Human beta-globin disorders are relatively common genetic diseases cause by mutations in the beta-globin gene. Increasing the expression of the gamma-globin gene has great benefits in reducing complications associated with these diseases. The Oct-1 transcription factor is involved in the transcriptional regulation of the gamma-globin gene. The human gamma-globin genes (both Agamma and Ggamma-gl...
Background and Aim: Micro RNAs are a group of small non-coding RNAs which play an important role in multiple processes such as proliferation, differentiation, apoptosis, and cancer. Recent studies indicate that mir-210 is overexpressed into erythroid linage during the differentiation of hematopoietic precursor. The main goal of the present study is to investigate the influence of mir-210 on the...
peripheral blood t lymphocytes and their subsets were studied in 31 patients with beta thalassemia major (age 2-12years) and compared with 14 age-arid sex-matched healthy controls. three monoclonal antibodies (anti-cd3, anti cd-f, unti-cds) were simultaneously applied for detection of th (cd3-, cd4^), tsk (cd3+, cd8+) and th/ts ratio by flow-cytometry respectively. the results of this study sho...
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