The influence of thrombin on the platelet-aggregating activity of human factor VIII. A study with insolubilized thrombin.

Abstract:

:A study was made of the influence of thrombin on the platelet-aggregating activity of human factor VIII with Ristocetin as cofactor. Purified factor VIII and different amounts of a thrombin-Sepharose 2B complex were mixed and incubated for various periods of time. The factor VIII-related platelet-aggregating activities of the filtrates of the incubation mixtures were determined in a test system using formalin-fixed platelets and Ristocetin as cofactor. The results so obtained indicate that thrombin inactivates the platelet-aggregating activity of factor VIII. The filtrates of the incubation mixtures were also tested by a two-stage test system for the clotting activities. Comparison of the influence of thrombin on the clotting- and the platelet-aggregating activities of factor VIII is presented and discussed.

journal_name

Thromb Haemost

authors

Vukovich T,Koller E,Doleschel W

subject

Has Abstract

pub_date

1979-10-31 00:00:00

pages

832-7

issue

3

eissn

0340-6245

issn

2567-689X

journal_volume

42

pub_type

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