Protease for activating clotting factor VII
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United States of America Patent
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Jun 28, 2005
Grant Date -
Aug 14, 2003
app pub date -
Dec 16, 2002
filing date -
Apr 24, 1998
priority date (Note) -
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Abstract
A protease for activating the blood clotting factor VII is described, wherein the protease is inhibited by the presence of aprotinin and is increased in its activity by calcium ions and/or heparin or heparin-related substances, and wherein in SDS-PAGE, on subsequent staining in the non-reduced state, the protease has one or more brands in the molecular weight range from 50 to 75 kDa, and in the reduced state, the protease 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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