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To explore the inhibition of juglone in Qinglongyi on A-549 cells in vitro, MTT assay was used. Laser confocal scanning microscope with AV-PI staining was used to observe apoptotic morphology. Changes of cell cycle are studied by flow cytometry analysis. The result of MTT assay showed that juglone had a marked growth inhibition in A-549 cells and the IC50 is respectively 3.4 times 10-5mol/L, 1.8 times...
To study the effect of qinglongyi polysaccharide on cation concentration in erythrocyte of S180 mice a tumor mouse model was developed, and the mice were treated with high, medium, and low doses of qinglongyi polysaccharide through abdominal injection for 7 d. Erythrocytes were collected and erythrocyte suspensions were prepared. Change of Ca2+ concentration in the erythrocytes of S180 mice was measured...
To study the effect of saponins of asparagus on apoptosis and the variations of Caspase-8, 9, 3 activity in the process of asparagus induced apoptosis in HepG-2. Cell was administrated with different concentrations of asparagus at different time, the apoptosis rate was determined by FCM with AV-PI staining, the morphology was observed by electron microscopy, caspase-8,9,3 activities was measured by...
To study the effect of Saponins of asparagus on HepG2 apoptosis, reactive oxygen species (ROS) and mitochondrial membrane potential (Deltapsim) levels. Saponins of asparagus with different concentration was treated with HepG2 at different time, MTT assay was used to detect inhibitory rate, fluorescence staining was used to observe apoptosis morphology, flow cytometry was used to detect apoptosis rate...
The newly-developed blood immunological reaction pathway diagram experiment system has been used in a series of studies on the role of erythrocytes in regulating the immunological reactions of lymphocytes, and it has been found that when the tumor antigen S180 is activated, erythrocytes can increase the expression of CD25 on the surfaces of the surrounding hemolymphocytes, which indicates the immunological...
To explore how to calculate the effect of solanine on the Michaelis constant and the maximum reaction rate of NAT, high performance liquid chromatography (HPLC) was used, with 2-AF as substrate, and the rate at which 2-AF is acetylated into 2-AAF in intact HepG2 cells or in the cytoplasm of HepG2 cells as the reaction rate. The double reciprocal plot was made, with 1/S (reciprocal of the concentration...
To investigate the pro-apoptosis effect of isothiocyanates(ITCS) on human gastric adenoma cells SGC- 7901 and its mechanism. METHODS: SGC-7901 was treated with different concentrations of ITCS. MTT assay was used to evaluate the influence of ITCS on cell proliferation. Flow cytometry was used to test reactive oxygen species (ROS) levels, intracellular mitochondrial transmembrane potential (Deltapsim),...
This study analyzed the effect of Asparagus polysaccharides on the migration time of erythrocytes in tumor- bearing organisms. A mouse tumor model was developed in which mice were intraperitoneally injected with high, medium, and low dosages of Asparagus polysaccharides for 7 d. The erythrocytes were collected and prepared into suspensions, and the migration time of cells were measured using high...
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