FIELD: biotechnology.
SUBSTANCE: bispecific antibody is proposed, that binds to both the blood coagulation factor IX/activated blood coagulation factor IX and with the blood coagulation factor X, and functionally replaces the function of blood coagulation factor VIII. The nucleic acid is considered, encoding the antibody of the invention, a vector, a cell and a method of producing the antibody, and also a pharmaceutical composition and a kit for use in the method of preventing and/or treating bleeding or diseases associated with or caused by bleeding.
EFFECT: invention may find further application in the treatment of diseases associated with impaired blood clotting.
16 cl, 2 ex, 6 dwg
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