منابع مشابه
Recombinant clotting factor VIII concentrates: Heterogeneity and high-purity evaluation.
Factor VIII is an important glycoprotein involved in hemostasis. Insertion of expression vectors containing either the full-length cDNA sequence of human factor VIII (FLrFVIII) or B-domain deleted (BDDrFVIII) into mammalian cell lines results in the production of recombinant factor VIII (rFVIII) for therapeutic usage. Three commercially available rFVIII concentrates (Advate, Helixate NexGen and...
متن کاملBlood Clotting Factor VIII: From Evolution to Therapy
Recombinant blood clotting factor VIII is one of the most complex proteins for industrial manufacturing due to the low efficiency of its gene transcription, massive intracellular loss of its proprotein during post-translational processing, and the instability of the secreted protein. Improvement in hemophilia A therapy requires a steady increase in the production of factor VIII drugs despite ti...
متن کاملIntravascular clotting after endotoxin in rabbits with impaired intrinsic clotting produced by a factor VIII antibody.
A rabbit model in which intrinsic clotting was selectively impaired by injection of a human factor VIII antibody was used to evaluate the mechanism of endotoxininduced intravascular clotting in cortisonetreated rabbits. Three groups of animals were studied: a control group given factor VIII antibody followed by saline; a second control group given an inert material followed by endotoxin; and an...
متن کاملEffect of oral contraceptives on factor VIII clotting activity and factor VIII related antigen in normal women.
The factor VIII clotting activity (VIIIc1 and factor VIII related antigen (VIIIRAg) were determined repeatedly in 24 pairs of age-matched normal women, one of each pair being on oral contraceptives. No significant differences in either parameter or in the VIIIc/VIIIRAg ration were found between the two groups ,although the mean factor VIII clotting activity and VIIIc/VIIIRAg ratios for women on...
متن کاملFACTOR V AND VIII INHIBITOR IN PATIENTS WITH COMBINED FACTOR V AND VIII DEFICIENCY
Patients with coagulation factor(s) deficiency who use coagulation therapy are susceptible to forming inhibitors against coagulation factor(s). In this survey we detected factor V and VIII inhibitor in ten patients with combined deficiency of factors V and VIII from north east of Iran (Khorassan province). It was revealed in our survey that eight patients had both factor V and factor VIII i...
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ژورنال
عنوان ژورنال: Nature
سال: 1984
ISSN: 0028-0836,1476-4687
DOI: 10.1038/312307a0