نتایج جستجو برای: pai
تعداد نتایج: 6649 فیلتر نتایج به سال:
The consistent positive correlation between triglyceride and plasminogen activator inhibitor-1 (PAI-1) levels in plasma and the fact that very low density lipoprotein (VLDL) induces secretion of PAI-1 from cultured human umbilical vein endothelial cells (HUVECs) and human hepatoblastoma cells have raised the question of whether fibrate treatment, the main effect of which is a profound lowering ...
TGF-β1 and its target gene encoding plasminogen activator inhibitor-1 (PAI-1) are major regulators of capillary outgrowth, vessel maturation and angiogenic network stability. The increasing realization of the complexity of PAI-1 action in the vascular system requires analysis of specific signaling events that impact its expression in a physiologically-relevant cell system. PAI-1 was required fo...
Several studies have found an association between high plasminogen activator inhibitor-1 (PAI-1) levels and myocardial infarction. Whether this is causal or a consequence of atherosclerosis or tissue damage, remains unclear. Homozygous carriers of the 4G allele of the 4G/5G polymorphism in the PAI-1 gene have higher PAI-1 levels compared to carriers of the 5G allele in healthy persons in some s...
The interactions between exogenously added tissue-type plasminogen activator (t-PA) and the active form of type 1 plasminogen activator inhibitor (PAI-1) produced by and present in cultured human umbilical vein endothelial cells (HUVECs) were investigated. Immunoblotting analysis of the conditioned media obtained from monolayers of HUVECs treated with increasing concentrations of t-PA (less tha...
The Chemo N0 trial is a prospective randomised multicentre breast cancer therapy trial in which 689 node-negative primary breast cancer patients were enrolled in 14 study centres in Germany and Slovenia between 1993 and 1998 [18]. Principal investigator was Prof. Dr. Fritz Jänicke, formerly at the Technical University of Munich, who is now at the University of Hamburg. In this trial (fig. 1), u...
This study investigates the role of the gamma-carboxyglutamic acid (gla) containing domain of activated protein C in interactions with both platelet-derived and purified type 1 plasminogen activator inhibitor (PAI-1). The activity of human platelet PAI-1 was neutralized to the same extent by bovine activated protein C and bovine des-1-41-light chain-activated protein C. Both forms of activated ...
Plasma plasminogen activator inhibitor type 1 (PAI-1) increases in diabetes, and this might contribute to decreased fibrinolysis and accelerated atherosclerosis. Increased PAI-1 levels in the vessel wall could decrease local fibrinolysis and elevate thrombus formation and the unfavorable evolution of atherosclerotic plaques. High glucose increases PAI-1 synthesis in arterial wall cells in cultu...
Increased circulating and tissue levels of plasminogen activator inhibitor 1 (PAI-1) are often present in severe inflammatory states associated with neutrophil activation and accumulation and correlate with poor clinical outcome from many of these conditions. The mechanisms by which PAI-1 contributes to inflammation have not been fully delineated. In the present experiments, we found that addit...
Plasminogen activator inhibitor type-1 (PAI-1) is a physiologic modulator of the fibrinolytic system. Its activity in plasma increases in diverse thrombotic states. The large synthetic capacity of the liver make it a source of potentially large amounts of PAI-1. Because thrombin activity increases in association with thrombotic disorders and because specific binding sites for thrombin have been...
The effects of native and acetylated low density lipoproteins (LDLs and acetyl-LDLs, respectively) on the release of plasminogen activator inhibitor type 1 (PAI-1) by cultured human umbilical vein endothelial cells (ECs) were evaluated. LDL and acetyl-LDL incubated with ECs for 16-18 hours increased the PAI-1 antigen levels in conditioned medium. At a concentration of 100 micrograms/mL, LDL and...
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