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Thrombin (Factor IIa) (EC 3.4.21.5, fibrose, thrombase, thrombofort, topical, thrombin-C, tropostasin, activated blood-coagulation factor II, E thrombin, beta-thrombin, gamma-thrombin) is a serine protease, that converts fibrinogen into strands of insoluble fibrin, as well as catalyzing many other coagulation-related reactions.
The coagulation factors are generally enzymes called serine proteases, which act by cleaving downstream proteins. The exceptions are tissue factor, FV, FVIII, FXIII. [28] Tissue factor, FV and FVIII are glycoproteins, and Factor XIII is a transglutaminase. [27] The coagulation factors circulate as inactive zymogens. The coagulation cascade is ...
Proteinase-activated receptor 1 (PAR1) also known as protease-activated receptor 1, coagulation factor II receptor and thrombin receptor is a protein that in humans is encoded by the F2R gene. [5] PAR1 is a G protein-coupled receptor and one of four protease-activated receptors involved in the regulation of thrombotic response.
Blood clotting: fibrinogen concentration is the rate-limiting factor in blood clot formation and along with blood platelets is critical to this formation (see Coagulation). Platelet aggregation: fibrinogen promotes platelet aggregation by cross-linking platelet Glycoprotein IIb/IIIa receptors and thereby promotes blood clot formation through ...
The coagulation cascade then follows to stabilize the clot, as thrombin (factor IIa) converts the soluble fibrinogen into insoluble fibrin strands. These strands are then cross-linked by factor XIII to form a stabilized blood clot.
Von Willebrand disease (VWD) is the most common hereditary blood-clotting disorder in humans. An acquired form can sometimes result from other medical conditions. [1] It arises from a deficiency in the quality or quantity of von Willebrand factor (VWF), a multimeric protein that is required for platelet adhesion. It is known to affect several ...
To raise awareness about a blood test that can detect that very same disorder.In an interview with People, the 35-year-old singer revealed that, months after the loss of Rosie, who was "born ...
Direct thrombin inhibitors (DTIs) are a class of medication that act as anticoagulants (delaying blood clotting) by directly inhibiting the enzyme thrombin (factor IIa). Some are in clinical use, while others are undergoing clinical development.