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Studies on the kinetics of plasminogen activation by tissue plasminogen activator
BBA - Proteins and Proteomics, 1982The steady-state rate of plasminogen activation by tissue plasminogen activator has been determined at various plasminogen concentrations. A plasmin substrate method similar to that presented by Christensen and Müllertz (Biochim. Biophys. Acta 480 (1977) 257-281) was used.
M Rånby
exaly +3 more sources
Lipoprotein(a) inhibition of plasminogen activation by tissue-type plasminogen activator
Thrombosis Research, 1990Here experimental evidence is presented demonstrating that Lp(a) inhibits the activation of Pg by the physiologic activator tissue-type plasminogen activator (t-PA) bound to fibrinogen fragments. The competitive inhibition constant, Kie, of the Lp(a) inhibition is 22 nM, or 8.6 mg/dL which corresponds to normal plasma ...
Salvatore Pizzo +2 more
exaly +3 more sources
New England Journal of Medicine, 1988
TISSUE plasminogen activator (t-PA) is a naturally occurring protein that catalyzes the conversion of the inactive proenzyme plasminogen into the active serine protease plasmin.
John A. Oates +3 more
openaire +2 more sources
TISSUE plasminogen activator (t-PA) is a naturally occurring protein that catalyzes the conversion of the inactive proenzyme plasminogen into the active serine protease plasmin.
John A. Oates +3 more
openaire +2 more sources
Tissue Activator of Plasminogen
Nature, 1964SINCE Astrup and Permin1 reported that animal tissue cells contain an activator of plasminogen, various authors have confirmed their results, and comparisons of the activator content of different human2 and animal tissues3,4 have been published. Most authors have used whole tissue or aqueous tissue extracts and have estimated activity by the fibrin ...
C H, LACK, S Y, ALI
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Activation of Bovine Plasminogen by the Plasminogen Activator in Animal Tissue
Thrombosis and Haemostasis, 1960Summary1. The activation of bovine plasminogen by means of the plasminogen activator from pig heart tissue has been studied on heated fibrin and on casein.2. Small, but varying, amounts of activator can be extracted from crude activator powder during the experiment and interfere therefore with estimations on normal, plasminogen containing fibrin.3. The
T, ABE, T, ASTRUP
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Plasminogen activation by tissue plasminogen activator in the presence of platelets
Thrombosis Research, 1988Platelets were found to provide a surface for activation of plasminogen by the tissue-type plasminogen activator (t-PA) at an optimum concentration and to potentiate the generation of plasmin by the amidolytic method, fibrin lysis time and fibrin plate method.
K, Deguchi, S, Shirakawa
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Tissue-Type Plasminogen Activator
Haemostasis, 2009Tissue-type plasminogen activator (t-PA) is a serine protease with a molecular weight of about 70,000. It activates plasminogen to plasmin by cleavage of the Arg 560-Val 561 peptide bond. Kinetic analysis showed that the activation obeys Michaelis-Menten kinetics and that the presence of fibrin strikingly enhances the activation rate.
H R, Lijnen, D, Collen
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The Plasminogen Activator in Animal Tissue
Acta Physiologica Scandinavica, 1956Summary.1. The plasminogen activator in pig heart tissue and pig lung tissue has been isolated in soluble form and partially purified.2. The tissue activator is a fairly thermostable substance especially at acid reaction.3. The tissue activator represents a type of plasminogen activator different from the activator found in urine or produced in blood ...
T, ASTRUP, I, STERNDORFF
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The potentiating effect of platelet on plasminogen activation by tissue plasminogen activator
Thrombosis Research, 1985A new role for platelets in fibrinolysis is proposed. Platelets (euglobulin from platelet rich plasma and from human platelet extract) may potentiate plasminogen activation by tissue plasminogen activator (tPA). The potentiating activity was detected by both chromogenic substrate and fibrin plate analysis. The fibrinolysis-potentiating substance in the
K, Deguchi +6 more
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