Article
Selective disruption of heparin and antithrombin-mediated regulation of human factor IX.
Journal of thrombosis and haemostasis : JTH - 1 Jun 2015
Westmark P R, Tanratana P, Sheehan J P
Abstract excerpt
BACKGROUND: Interaction with antithrombin and heparin regulates distribution, activity, and clearance of factor IXa (FIXa). Hemophilia B prophylaxis targets plasma FIX levels > 1% but neglects extravascular FIX, which colocalizes with antithrombin-heparan sulfate. OBJECTIVE: Combined mutagenesis of FIX was undertaken to selectively disrupt heparin- and antithrombin-mediated regulation of the protease. METHODS:...
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