factor V

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Related to labile factor: Coagulation factor V deficiency
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Noun1.factor V - a coagulation factorfactor V - a coagulation factor      
clotting factor, coagulation factor - any of the factors in the blood whose actions are essential for blood coagulation
References in periodicals archive ?
The first gain-of-function mutation associated with venous thrombosis [the G1691A substitution in the F5 [3] gene, coagulation factor V (proaccelerin, labile factor)] was also found by studying an abnormal plasma phenotype (resistance to activated protein C).
Multiplex genotyping for the [F5.sup.1] [coagulation factor V (proaccelerin, labile factor)] Leiden (1691G>A), F2 [coagulation factor II (thrombin)] 20210G > A, and MTHFR [methylenetetrahy drofolate reductase (NAD(P)H)] 1298A > C and 677C > T thrombophilia mutations distinguishes up to 81 ([3.sup.4]) combinations in solution without physical processing (1).
Single-base variants, such as the F5 [coagulation factor V (proaccelerin, labile factor)] Leiden variant, were genotyped by melting hybridization probes (2), and in 2003 these tests became the first genetic tests cleared by the US Food and Drug Administration.