نتایج جستجو برای: tpa test
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BACKGROUND AND PURPOSE We sought to identify the most powerful binary measures of the treatment effect of tissue plasminogen activator (tPA) in the National Institute of Neurological Disorders and Stroke (NINDS) rTPA Stroke Trial. METHODS Using the Classification and Regression Tree (CART) algorithm, we evaluated binary cut points and combination of binary cut points with the 4 clinical scale...
Ethanol extracts of gymnema (Gymnema sylvestre) leaves exhibited marked antitumour-promoting activity in an in vivo two-stage carcinogenesis test in mice using 7,12-dimethylbenz[a]anthracene as an initiator and 12-O-tetradecanoylphorbol-13-acetate (TPA) as a promoter. From the active fraction of the ethanol extract of the gymnema leaves, three triterpenoids were isolated and identified. These c...
hemorrhagic side effects of tPA. It is tempting to speculate that administration of FXIII might decrease tPA-induced hemorrhage by restoring FXIIIa that has been inactivated by plasmin, but further studies are necessary to test this hypothesis. Conflict-of-interest disclosure: Oregon Health & Science University and D.H.F. have a significant interest in Gamma Therapeutics, a company that may hav...
stroke is an important cause of disability and death worldwide, with the majority of strokes occurring in older people. thrombolysis with recombinant tissue plasminogen activator (r-tpa) is the approved treatment for acute ischemic stroke. a major concern of physicians, who treat acute ischemic stroke with recombinant tissue plasminogen activator (r-tpa,) is the risk of intracerebral hemorrhage...
Mouse cerebellar cells in culture secrete tissue plasminogen activator (tPA) into the culture medium. Fibrin overlays have shown tPA to be associated with granule neurons in these cultures. This cell associated tPA can be displaced by extensive washing of the cells or by a brief lowering of the pH (less than 4), which leads to a loss of fibrinolytic activity by the cells. Incubation of these fi...
tissue plasminogen activator (tpa) is a serine protease, which is composed of five distinct structural domains with 17 disulfide bonds, representing a model of high-disulfide proteins in human body. one of the most important limitations for high yield heterologous protein production in escherichia coli (e. coli) is the expression of complex proteins with multiple disulfide bridges. in this stud...
Background: Ultrasound (US) has been used in neuroprotection after cerebral ischemia, however the mechanism of action remains unclearly. We have previously shown the protective effect of ultrasound on infarction volume and brain edema in ischemic brain injured at normothermic condition. Ultrasound may also amplify the effect of fibrinolytic medications in thrombolysis process .We have also show...
introduction: at present, most recombinant proteins are produced in prokaryotes especially e coli. yeasts and cho also are used as eukaryotic hosts. leishmania tarentolae, a parasite of lizards, a member of trypanosomatidae family is one of the new systems for expression of heterologous proteins. in this system, some of the parasitic protozoa features are used in expression of mammalian protein...
The effects of 12-O-tetradecanoylphorbol-13-acetate (TPA) on myeloid colony formation were investigated by initial and delayed addition of TPA to the cultures. In the human placental condi tioned medium-stimulated cultures, TPA inhibited normal myeloid colony formation without any change in colony morphology when added at the beginning of culture. However, macrophage-like transformation of myel...
BACKGROUND AND PURPOSE We sought to evaluate the effects of administration of microbubbles (MBs) on the beginning, speed, and degree of middle cerebral artery (MCA) recanalization during systemic thrombolysis and continuous 2-MHz pulsed-wave transcranial Doppler (TCD) monitoring. METHODS We evaluated 111 patients with acute stroke attributable to MCA occlusion treated with intravenous tissue ...
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