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The leukocyte integrin Mac-1 (CD11b/CD18) and the urokinase receptor (uPAR, CD87) mediate complementary functions in myelomonocytic cells. Both receptors promote degradation of fibrin(ogen) and also confer adhesive properties on cells because Mac-1 and uPAR bind fibrin and vitronectin, respectively. Staining of lung biopsy specimens from patients with acute(More)
Concentrations of S-100 protein in cerebrospinal fluid (CSF) were measured by a recently developed radioimmunoassay (RIA) in 45 patients with subarachnoid haemorrhage (SAH), 44 with verified ruptured aneurysm. In each of 43 patients 2–15 serial CSF samples were analysed, and in the remainder 1 sample was examined. The concentrations of S-100 protein proved(More)
The binding of urokinase-type plasminogen activator (u-PA) to a specific cell surface receptor (uPA-R) has been shown to enhance plasminogen activation, a process involved in extracellular matrix degradation and cell migration during angiogenesis and tumor growth. We investigated the expression of u-PA and uPA-R in renal cell carcinomas (n = 11). By(More)
The receptor for plasmin and the receptor for urokinase-type plasminogen activator were characterized on MCF 7 cells either independently or simultaneously, using fluorescence microscopy and confocal microscopy. The plasmin receptor was visualized, as previously described by Correc et al. (Int. J. Cancer 50, 767, 1992) using biotinylated plasminogen and(More)
The urokinase plasminogen activator receptor (uPAR) is a membrane protein comprised of three extracellular domains. In order to study the importance of this domain organization in the ligand-binding process of the receptor we subjected a recombinant, soluble uPAR (suPAR) to specific proteolytic cleavages leading to liberation of single domains. Treatment of(More)
BACKGROUND Merkel cell carcinoma (MCC) is an uncommon neuroendocrine cutaneous carcinoma. Metastases to the thyroid gland are rare and may present diagnostic difficulties. CASE PRESENTATION A 73-year-old woman presented with a hard mass in the adipose tissue of the right inguinal area. This mass was surgically excised and the histology examination showed(More)
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