GENETIC VARIANT OF FACTOR-IX WITH DECREASED CAPACITY FOR CA2+ BINDING

被引:22
作者
BERTINA, RM
VELTKAMP, JJ
机构
[1] Haemostasis and Thrombosis Research Unit, Department of Medicine, University Hospital, Leiden
关键词
D O I
10.1111/j.1365-2141.1979.tb01175.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Summary. A genetic variant of factor IX is described that behaves identically to PIVKA IX (the precursor factor IX molecule induced by the absence of vitamin K or presence of vitamin K antagonists, acarboxy factor IX). It shows an increased electrophoretic mobility in the presence of Ca2+, a low affinity for adsorption to A1(OH)3 and a very low specific coagulant activity. This variant of factor IX has been demonstrated in the plasma of a patient with severe haemophilia B and in the plasmas of a number of possible carriers from the probands’ pedigree. Copyright © 1979, Wiley Blackwell. All rights reserved
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页码:623 / 635
页数:13
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