Human medicines European public assessment report (EPAR): Coagadex, human coagulation factor X, Factor X Deficiency, Date of authorisation: 16/03/2016, Revision: 3, Status: Authorised

2019 ◽  
Author(s):  
Keyword(s):  
Coagulation Factor ◽  
Factor X ◽  
Assessment Report ◽  
Factor X Deficiency ◽  
European Public ◽  
European Public Assessment Report

Immunological Studies on the Blood Coagulation Factor X and Its Warfarin-induced Precursor

1974 ◽  
Vol 31 (01) ◽  
pp. 040-051 ◽  
Author(s):  
Gustav Gaudernack ◽  
Åse Gladhaug Berre ◽  
Bjarne Østerud ◽  
Hans Prydz
Keyword(s):  
Coagulation Factor ◽  
Factor X ◽  
Intrinsic Pathway ◽  
Coagulation Activity ◽  
Factor X Deficiency ◽  
Warfarin Treatment ◽  
The Cross ◽  
Monospecific Antisera ◽  
Purified Antigen ◽  
Congenital Factor

SummaryMonospecific antisera against the human coagulation factor X have been raised in rabbits by injections of purified antigen. Such antiserum was used to study the cross-reacting material without factor X activity which is present in the blood of warfarin-treated patients and animals as well as to study the changes in factor X during coagulation. One patient with congenital factor X deficiency was also studied.A complete identity was found between factor X in Macaca mulatta and human blood. During warfarin treatment antigenically cross-reacting material appeared in plasma. This was not adsorbed on BaSO4, and inhibited the coagulation activity of normal factor X.Both this material, normal factor X and the cross-reacting material in plasma from a patient congenitally deficient in factor X gave rise to split products during coagulation by the intrinsic pathway, i. e. all of them served as substrates for the intrinsic activator of factor X.

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