نتایج جستجو برای: tpa test
تعداد نتایج: 818193 فیلتر نتایج به سال:
Leukemic cells from patients with acute myeloid leukemia underwent morphological, functional, and histochemical changes within 24-48 hr after treatment with 1.6 x 10-18 M 12-0-tetradecanoylphorbol-13-acetate (TPA). The changes included adhesion to the plastic substrate, a 4-6-fold increase in the number of phagocytic cells, and an increase in the number of alpha-naphthyl-acetate esterase (alpha...
Human monomorphonuclear leukocytes (MMNs) stimulated with 12-O-tetradecanoylphortx)l-13-acetate (TPA) were found to be toxic towards human A549 lung carcinoma cells which have been desensitized against the direct growth-inhibitory effect of TPA. This toxicity was dependent on the TPA concentration and the ratio of MMNs to A549 cells. Using a TPA concentration of 10~7 M and an effectortarget cel...
Torsion gelometry, a fundamental rheological test in which specimens are twisted until they fracture, was applied to several different cheese varieties to determine its suitability for measuring their textural properties. Fresh and aged Brick, Cheddar, Colby, Gouda, Havarti, Mozzarella, and Romano cheeses were subjected to torsion analysis, and the results were compared with those from small am...
In malignant mesothelioma, survival is claimed to be related to age, duration of symptoms, performance status, histological subtype, stage and platelet count. However the exact prognostic value of these factors is still a matter of debate. We studied the two cytokeratin markers, Cyfra 21-1 and Tissue polypeptide antigen (TPA) for their significance in predicting survival retrospectively in 52 p...
The phorbol ester 12-O-tetradecanoylphorbol 13-acetate induces tumour promotion, inflammation, cell proliferation and prostaglandin release. Recent reports suggest that the prostaglandins released by 12-O-tetradecanoylphorbol 13-acetate (TPA) initiate a cascade of events leading to polyamine synthesis and cell proliferation. In experiments designed to test this contention, it was found that add...
PURPOSE Tissue polypeptide antigen (TPA) is present in the proteolytic fragments of cytokeratins 8, 18 and 19 as a component of the cytoskeleton of nonsquamous epithelia. HER-2/neu protein is a transmembrane tyrosine kinase cell surface growth factor receptor that is expressed on normal epithelial and some cancer cells. The urokinase-type plasminogen activator receptor (uPAR) is a GPI-linked si...
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Tissue plasminogen activator (tPA) is the only approved thrombolytic therapy for acute ischemic stroke, yet many patients do not recanalize. Enhancing thrombolytic efficacy of tPA is a major focus of stroke research. Traditionally, a "rat dose" of 10 mg/kg has been used in rodent models. Recent studies suggested that the clinical "human" dose (0.9 mg/kg) may better mimic clinical recanalization...
BACKGROUND AND PURPOSE Thrombolytic therapy with tissue plasminogen activator (tPA) for acute ischemic stroke remains complicated by risks of hemorrhagic transformation. In this study we used a previously established quantitative rat model of tPA-associated hemorrhage to test the hypothesis that matrix metalloproteinases (MMPs) are involved. METHODS Spontaneously hypertensive rats were subjec...
OBJECTIVE To determine the frequency and regional involvement of temporal pole signal abnormality (TPA) in patients with hippocampal sclerosis (HS) using fluid-attenuated inversion-recovery (FLAIR) MR imaging, and to correlate this feature with history. METHOD Coronal FLAIR images of the temporal pole were assessed in 120 patients with HS and in 30 normal subjects, to evaluate gray-white matt...
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