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Muntean, W.
Purified complex of factor VIII coagulant moiety and phospholipid: high factor VIII coagulant activity in factor VIII inhibitor plasma.
Wien Klin Wochenschr. 1984; 96(22):829-832
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Leading authors Med Uni Graz: Muntean Eugen
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Abstract:: A complex of factor VIII coagulant moiety and phospholipid was purified by means of immunoadsorbent chromatography of factor VIII concentrate and consecutive dissociation of the immobilized factor VIII complex by human placental phospholipid (Fibraccel). The complex of factor VIII coagulant moiety and phospholipid displayed factor VIII coagulant activity (VIII C) and factor VIII coagulant antigen (VIII C:Ag), but no factor VIII related antigen (VIII R:Ag). When incubated with factor VIII inhibitor plasma, the complex of factor VIII coagulant moiety and phospholipid exerted higher factor VIII coagulant activity than native factor VIII complex, and than purified factor VIII coagulant moiety alone. Our results prove that in activated prothrombin complex concentrates a complex of factor VIII coagulant moiety and phospholipid is the active mechanism exerting procoagulant activity in factor VIII inhibitor plasma.
Find related publications in this database (using NLM MeSH Indexing): Blood Coagulation -; Factor VIII - antagonists and inhibitors; Humans - antagonists and inhibitors; Phospholipases - metabolism; Phospholipids - pharmacology; Placenta - pharmacology