Indicators
Coagulation Factor XII
Coagulation factor XII (615 aa, ~68 kDa) is encoded by the human F12 gene. This protein is involved in blood coagulation and fibrinolysis.
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Indicators
Coagulation factor XII (615 aa, ~68 kDa) is encoded by the human F12 gene. This protein is involved in blood coagulation and fibrinolysis.
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Antithrombin-III (464 aa, ~53 kDa) is encoded by the human SERPINC1 gene. This protein is involved in the negative regulation of serine proteinase activity during blood coagulation.
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Coagulation factor IX (461 aa, ~52 kDa) is encoded by the human F9 gene. This protein plays a role in the intrinsic pathway of blood coagulation through the mediation of proteolysis that converts factor X into an active protease.
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Coagulation factor V (2224 aa, ~252 kDa) is encoded by the human F5 gene. This protein plays a role in the coagulation cascade.
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Coagulation factor VII (466 aa, ~52 kDa) is encoded by the human F7 gene. This protein is involved in both binding to tissue factor and the initiation of blood coagulation.
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Coagulation factor X (488 aa, ~55 kDa) is encoded by the human F10 gene. This protein is involved in proteolysis and blood coagulation.
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Coagulation factor XI (625 aa, ~70 kDa) is encoded by the human F11 gene. This protein is involved in the proteolytic activation of coagulation factor IX.
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A fibrin breakdown fragment — most useful for ruling out venous thromboembolism when clinical probability is low.
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This gene plays a role in the coagulation cascade.
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A measurement of the clotting time of plasma recalcified in the presence of excess tissue thromboplastin; it is a measure of the extrinsic pathway of coagulation. It is used to determine the clotting tendency of blood, in the measure of warfarin dosage, liver damage and vitamin K status. Factors measured are fibrinogen, prothrombin, and factors V, VII, and X.
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The term "vitamin K" refers to a group of chemically similar fat-soluble compounds called naphthoquinones: vitamin K1 (phytonadione) is found in plants and is the primary source of vitamin K for humans through dietary consumption, vitamin K2 compounds (menaquinones) are made by bacteria in the human gut, and vitamin K3 (menadione) is a water-soluble preparation available for adults only. Vitamin K is necessary for the liver to produce the coagulation factors II, VII, IX, and X, as well as the clotting factors protein C, protein S, and protein Z; vitamin K deficiency can result in deficiencies of these coagulation factors and excess bleeding. An injection of vitamin K is routinely given to newborn infants to prevent vitamin K deficiency bleeding, also known as hemorrhagic disease of the newborn. Vitamin K deficiency is rare in adults but may result from chronic malnutrition or an inability to absorb dietary vitamins.
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von Willebrand factor (2813 aa, ~309 kDa) is encoded by the human VWF gene. This protein is involved in platelet adhesion and blood coagulation.