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Pathophysiology of factor V Leiden gene mutation. Factor V Leiden is an autosomal dominant genetic condition that exhibits incomplete penetrance, i.e. not every person who has the mutation develops the disease. The condition results in a factor V variant that cannot be as easily degraded by activated protein C.
The activated protein C resistance (APCR) test is a coagulation test used in the evaluation and diagnosis of activated protein C (APC) resistance, a form of hypercoagulability.
The best known and most common hereditary form is Factor V Leiden, which is responsible for more than 95% of cases. [5] Other genetic causes include Factor V Cambridge (VThr306) and the factor V HR2 haplotype (A4070G mutation). [5] [6] Acquired forms of APC resistance occur in the presence of elevated Factor VIII concentrations.
Factor V Leiden is an inherited blood clotting disorder. It can cause life-threatening clots in the body and complications during pregnancy. What you need to know about factor V Leiden - a blood ...
Coagulation factor V (Factor V), also less commonly known as proaccelerin or labile factor, is a protein involved in coagulation, encoded, in humans, by F5 gene. [5] In contrast to most other coagulation factors, it is not enzymatically active but functions as a cofactor . [ 5 ]
The Leiden Open Variation Database (LOVD) is a free, flexible web-based open source database developed in the Leiden University Medical Center in the Netherlands, designed to collect and display variants in the DNA sequence. [1] [2] The focus of an LOVD is usually the combination between a gene and a genetic (heritable) disease.
Factor V Leiden and mutations of the prothrombin gene are the two most common genetic causes of hypercoagulability. About 5% of the general population have these heterozygous mutations and in the thrombophilic population, 45–63% have these mutations. [6]
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