Variant factor VIII polypeptides and methods of their production and use
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United States of America Patent
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Mar 13, 2018
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app pub date -
Mar 14, 2014
filing date -
Mar 15, 2013
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Abstract
This disclosure relates to variant Factor VIII polypeptides comprising an amino acid substitution at one or more positions within one or both of the thrombin cleavage site and the activation loop. In certain embodiments, the variant Factor VIII polypeptide comprises one or more amino acid substitutions within both the thrombin cleavage site and the activation loop. In further embodiments, the variant factor VIII polypeptide further comprises one or more amino acid substitutions within the A1-A2 domain interface and the A2-A3 domain interface. The present disclosure further relates to methods of producing and/or using such variant Factor VIII polypeptides; nucleic acids encoding the polypeptides; vectors and/or recombinant cells, tissues, or organisms containing such nucleic acids; and kits and pharmaceutical compositions containing such polypeptides and/or nucleic acids.
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