منابع مشابه
Acquired deficiency of coagulation factor VII
Factor VII (FVII) is found in small amounts in plasma and has a very short half-life in circulation. FVII is vitamin K-dependently synthesized in the liver. As such, hepatopathies, vitamin K deficiency, or use of vitamin K antagonists is the cause of acquired deficiency. Other types of acquired FVII deficiencies are rare.1 Here we describe a case of acquired factor VII deficiency associated to ...
متن کاملTissue factor-dependent autoactivation of human blood coagulation factor VII.
We recently showed that single-chain zymogen factor VII is converted to two-chain factor VIIa in an autocatalytic manner following complex formation with either cell-surface or solution-phase relipidated tissue factor apoprotein (Nakagaki, T., Foster, D. C., Berkner, K. L., and Kisiel, W. (1991) Biochemistry 30, 10819-10824). We have now performed a detailed kinetic analysis of the autoactivati...
متن کاملFactor VII verona coagulation disorder: double heterozygosis with an abnormal factor VII and heterozygous factor VII deficiency.
A family with a peculiar defect of factor VII is described. The propositi, a brother and sister, were born of a nonconsanguineous marriage and presented a mild to moderate bleeding tendency since childhood (epistaxis, excessive bleeding after tooth extraction). The coagulation pattern was characterized by a mildly prolonged prothrombin time, normal partial thromboplastin time, and normal Stypve...
متن کاملChronic sleep deprivation markedly reduces coagulation factor VII expression.
Chronic sleep loss, a common feature of human life in industrialized countries, is associated to cardiovascular disorders. Variations in functional parameters of coagulation might contribute to explain this relationship. By exploiting the mouse model and a specifically designed protocol, we demonstrated that seven days of partial sleep deprivation significantly decreases (-30.5%) the thrombin g...
متن کاملFactor VII-activating protease: coagulation, fibrinolysis, and atherothrombosis?
The mechanistic description of a biological process first involves the development of an inventory of constituents that are presumed essential for the expression of the function. Although initially based on pathology, more frequently this inventory is developed by in vitro tests on the biochemistry, cell biology, or molecular genetics of a process. Elaborate schemes describing physiological rea...
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ژورنال
عنوان ژورنال: The Journal of Japan Atherosclerosis Society
سال: 1996
ISSN: 0386-2682,2185-8284
DOI: 10.5551/jat1973.23.9_493