Zhiyu Tang

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TRAIL can selectively induce rapid apoptosis of various types of tumor cells. We induced the expression of TRAIL in Jurkat cells, and measured the adhesion of cells to human umbilical vein endothelial cells (HUVECs) and laminin (LN) in a parallel plate flow chamber system and by using a colorimetric method. The apoptosis percentage, cycle distribution,(More)
The possibility of a newly synthesized L-arginine derivative, polyaspartoyl-L-arginine (PDR), as a novel anti-thrombotic agent and its mode of action were investigated. The anti-platelet effects of PDR in rats ex vivo, anti-thrombotic effects in three thrombosis models in rats and its effect on some autacoids (nitric oxide [NO], thromboxane [TXA2] and(More)
TFAR19 is a novel apoptosis-related gene and can accelerate cell apoptosis in the presence of apoptosis inducements. Here, we studied the effects of TFAR19 on some biophysical properties of mouse erythroleukemia (MEL) cells and their molecular and structural basis. After transfected with TFAR19 and apoptosis, inducement, MEL revealed a high cell membrane(More)
After injecting VP16, MEL cells and MEL-TF19 cells into the body of mice, with those injected with the same dose of saline as the control group, we observed the mice for their blood pictures, histological changes of the liver and spleen, and the hemorhelogical indexes within 4 weeks. The results indicated that after injecting MEL cells, the mice entered(More)
Nitric oxide (NO) and prostacyclin (PGI(2)) are two of the most important vasodilators produced by endothelial cells, the regulation of NO on PGI(2) production has not been fully clear yet. Polyaspartoyl.L-arginine (PDR) is an L-arginine residue-rich compound with inhibitory effects of platelet aggregation and thrombosis. This study investigated its effects(More)
The deformability and membrane fluidity of the precursor cells for mice at different growth stages were studied; and it was found that the deformability and membrane fluidity were increased with the growth of the precursor cells. It is demonstrated that the normoblast was just placed in a turning point in the growth stage of the precursor cells. The changes(More)
Polyaspartoyl l-arginine (PDR) is an anti-thrombotic agent and its anti-thrombotic effect is related with endothelial cells. This study is to investigate the effect of PDR on the endothelial cells. In cell injury assay 1.7-170 microg/ml of PDR significantly increased the viability of rat aorta endothelial cells (RAECs) injured by H(2)O(2), this effect was(More)
Polyaspartoyl.l-arginine (PDR) is an inhibitor of platelet aggregation ex vivo but in vitro. This study attempts to elucidate the target cell of PDR action and its action mechanism. PDR (1.7-170 microg/ml) significantly inhibited platelet aggregation in vitro in the presence of rat aortic endothelial cells (RAEC), NO synthase inhibitor N-nitro-l-arginine(More)
Ryanodine receptors (RyRs) are a family of Ca2+ channel proteins that mediate the massive release of Ca2+ from the endoplasmic reticulum into the cytoplasma. In the present study, we manipulated the incorporation of RyR1 into RBC membrane and investigated its influences on the intracellular Ca2+ ([Ca2+](in)) level and the biomechanical properties in RBCs.(More)
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