نتایج جستجو برای: tpa سرم
تعداد نتایج: 17184 فیلتر نتایج به سال:
Tissue plasminogen activator (tPA) use in the treatment of ischemic stroke: tPA is a serine protease that catalyzes the breakdown of blood clots. Because of its thrombolytic properties, tPA is used to treat specific types of stroke, including ischemia, but is contraindicated for treatment of hemorrhagic stroke or head trauma. Although a life saving and powerful ‘clot buster’, tPA has a short th...
The best-known function of the serine protease tissue-type plasminogen activator (tPA) is as a thrombolytic enzyme. However, it is also found in structures of the brain that are highly vulnerable to hypoxia-induced cell death, where its association with neuronal survival is poorly understood. Here, we have demonstrated that hippocampal areas of the mouse brain lacking tPA activity are more vuln...
Murine 8S-lipoxygenase (8S-LOX) is a 12-O-tetradecanoylphorbol-13-acetate (TPA)-inducible lipoxygenase. That is, it is not detected in normal mouse skin, however, a significant increase in expression is detected in the skin of TPA promotion-sensitive strains of mice after TPA treatment. In this study, we found TPA-induced 8S-LOX mRNA expression is a result of increased transcription in SSIN pri...
BACKGROUND AND PURPOSE It has repeatedly been reported that the thrombolytic tissue plasminogen activator (tPA) may aggravate ischemic injury after stroke. The underlying mechanisms, however, remain unknown. We hypothesized that tPA induces an inhibition of endothelial NO synthase (eNOS) after focal ischemia that is responsible for ischemic damage and may be restored by 3-hydroxy-3-methylglutar...
BACKGROUND AND PURPOSE Despite the availability of results from multiple newer clinical trials and changing healthcare costs, the cost-effectiveness of recombinant tissue-type plasminogen activator (r-tPA) for treatment of acute ischemic stroke within 0 to 3 hours of symptom onset was last evaluated in 1998 for the United States Using current evidence, we evaluate the long-term cost-effectivene...
In previous studies we have shown that, after stimulation by a receptor ligand such as thrombin, tissue-type plasminogen activator (tPA) and von Willebrand factor (vWf) will be acutely released from human umbilical vein endothelial cells (HUVEC). However, the mechanisms involved in the secretion of these two proteins differ in some respects, suggesting that the two proteins may be stored in dif...
The main components of plasminogen activation include plasminogen, tissue plasminogen activator (tPA), urokinase plasminogen activator (uPA), urokinase plasminogen activator receptor (uPAR), and plasminogen activator inhibitors-1 and -2 (PAI-1, PAI-2 ). uPA and its receptor uPAR are known to be important in cell migration/adhesion. In these studies, we show that uPAR was anchored in focal conta...
GABA(A) receptors containing α2/3 subunits are current targets in the battle to develop new pain medications, as they are expressed in the spinal cord where increasing inhibitory drive should result in analgesia. However, this approach is prone to a range of side effects including sedation, cognitive impairment, and abuse as a consequence of the widespread influence of GABA. The ability to make...
The effects of the tumor-promoting phorbol ester 12-O-tetradecanoylphorbol-13-acetate (TPA) on the morphology and growth properties of C3H/10T1/2 clone 8 cells were examined. The morphology of these cells was changed within 30 min following treatment with 0.1 microgram of TPA per ml; they became smaller and refractile with long beady processes. Such changes were observed in both logarithmic and...
The main theoretical and experimental backgrounds of two-photon absorption (TPA) and TPA-induced free carriers in silicon are presented in detail. In particular, the mostly recent experimental achievements in applications of TPA and TPAinduced free carriers are discussed, such as optical limiting, optical pulse shaping, all-optical switching and modulation, alloptical logic gates, all-optical w...
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