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Nieuwenhuizen, W. (author), Voskuilen, M. (author), Hermans, J. (author), Gaubius instituut TNO (author)
The present study was undertaken as a step to delineate further the localization of the calcium-binding sites in fibrinogen and to assess the anticlotting properties of fibrinogen degradation products. To this purpose, fragments Y were prepared by plasmin digestion of human fibrinogen in the presence of added Ca2+, and purified. We found that,...
article 1982
document
Verheijen, J.H. (author), Chang, G.T.G. (author), Kluft, C. (author), Gaubius Instituut TNO (author)
Human plasma contains a fast-acting t-PA inhibitor, which is not identical with ??2-antiplasmin or ??2-macroglobulin. The concentration of this inhibitor in normal plasma is highly variable, much lower than that of known plasma protease inhibitors, and in the range of physiologically occurring plasma concentrations of t-PA (0-2 IU/ml). The...
article 1984
document
van de Kar, N.C.A.J. (author), Kooistra, T. (author), Vermeer, M. (author), Lesslauer, W. (author), Monnens, L.A.H. (author), van Hinsbergh, V.W.M. (author), TNO Preventie en Gezondheid (author)
Infections with verocytotoxin (VT) producing Escherichia coil have been strongly implicated in the epidemic form of hemolytic uremic syndrome (HUS). Endothelial damage plays a central role in the pathogenesis of HUS. In vitro studies have shown that VT can damage endothelial cells after interaction with its cellular receptor...
article 1995
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Gaubius instituut TNO (author), Havekes, L. (author), van Hinsbergh, V. (author), Kempen, H.J. (author), Emeis, J. (author)
The human hepatoma cell line Hep G2 was studied with respect to metabolism of human low-density lipoprotein (LDL). The Hep G2 cells bind, take up and degrade human LDL with a high-affinity saturable and with a low-affinity non-saturable component. The high-affinity binding possesses a K(D) of 25 nM-LDL and a maximal amount of binding of about 70...
article 1983
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Gaubius Instituut TNO (author), Kluft, C. (author), Jie, A.F.H. (author), Sprengers, E.D. (author), Verheijen, J.H. (author)
Inhibition of tissue-type plasminogen activator (t-PA) by pooled plasma could be ascribed for only 60% to the endothelial cell type PA inhibitor. The residual inhibition is ascribed to a so-far undescribed plasma component present at 0.2 nmol/l. This component shows reversible binding to t-PA with an apparent K(i) of 10 pmol/l (does not hinder t...
article 1985
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Instituut voor verouderings- en vaatziekten onderzoek TNO (author), van de Kar, N.C.A.J. (author), Monnens, L.A.H. (author), Karmali, M.A. (author), van Hinsbergh, V.W.M. (author)
The epidemic form of the hemolytic uremic syndrome (HUS), beginning with an acute gastroenteritis, has been associated with a verocytotoxin-producing Escherichia coli infection. The endothelial cell is believed to play an important role in the pathogenesis of HUS. Endothelial cell damage by verocytotoxin-1 (VT-1) in vitro is potentiated by the...
article 1992
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