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Biomedical subjects

K Worowski

Publications and source records attributed to K Worowski.

At least 91 records · Page 5Linked to original sources

Synergistic antifibrinolytic action of the potato protease inhibitor and epsilon-aminocaproic acid.

Fibrinolysis inhibition by a mixture of potato inhibitor and E-aminocaproic acid was greater than might be expected from the sum of the antifibrinolytic effects of these inhibitors investigated separately. This inhibition was observed in studies on the plasma euglobulin fraction and in a system containing isolated elements of the fibrinolytic system. The synergistic antifibrinolytic action of the potato protease in hibitor and E-aminocaproic acid is probably due to the fact that these inhibitors have different mechanisms of action and thus there is no competition between them for the effectors in the enzyme molecule.

Aminocaproates↗

Potato inhibitors of intrinsic prothrombin activators.

The potato protease inhibitors inhibit intrinsic prothrombin activators and trypsin activation of prothrombin. The inhibitors 5a and 5b are responsible for the intrinsic prothrombin activator inhibition. This inhibition is progressive. No inhibition by these inhibitors of tissue thromboplastin activation of prothrombin or thrombin activity was observed.

Animals↗

Enzymatic degradation of protein mixtures.

The rate of protein enzymatic degradation in a mixture is slower than that of single proteins. In a mixture of haemoglobin or casein with protamine, the release of tyrosine by trypsin and chymotrypsin A is slower. A slower rate in the release of arginine from protamine occurs only in mixtures with haemoglobin. The inhibition of enzymatic degradation of proteins in a mixture is due to formation of intermolecular associations and to changes in their spacial structure.

Arginine↗