Protease for activating clotting factor VII
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United States of America Patent
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app pub date -
May 2, 2005
filing date -
Apr 24, 1998
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Abstract
A protease for activating the blood clotting factor VII is described, which (a) is inhibited by the presence of aprotinin, (b) is increased in its activity by calcium ions and/or heparin or heparin-related substances, and (c) in SDS-PAGE, on subsequent staining in the non-reduced state, has one or more brands in the molecular weight range from 50 to 75 kDa and kDa in the reduced state has a band at 40 to 55 kDa and one or more bands in the molecular weight range from 10 to 35 kDa. The proenzyme of this protease is also characterized. Further, a process for obtaining this protease and its use in hemorrhage prophylaxis or hemostasis is described. Moreover, a test system for the qualitative and quantitative detection of a protease which activates the blood clotting factor VII is described.
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