Blood coagulation system

The blood coagulation system is a physiological network responsible for hemostasis by converting soluble fibrinogen to insoluble fibrin through a tightly regulated cascade of enzymatic reactions[1][3][5][7]. It includes the intrinsic (contact activation), extrinsic (tissue factor), and common pathways, each involving multiple serine proteases (termed coagulation factors, designated by Roman numerals I-XIII), co-factors, glycoproteins, and modulatory proteins. The system’s balance is essential for effective blood clotting to repair vascular injury and for preventing excess clot formation leading to diseases like thrombosis or bleeding disorders[2][3][5]. The blood coagulation system as a whole does not function as a single therapeutic target but is instead a critical physiological process comprised of many individual molecular targets (for example, thrombin, factor Xa, tissue factor, and others), each of which can be a distinct therapeutic target[1][2][3]. If you meant to refer to a specific molecule within the coagulation cascade (such as "thrombin" or "factor Xa"), please specify so detailed, structured data can be provided for that individual target.

Other names

Blood clotting systemCoagulation cascadeHemostatic systemClotting system

Anticoagulation (inhibition of coagulation factors, such as direct or indirect thrombin inhibition, factor Xa inhibition, vitamin K antagonism), Procoagulant therapies (replacement of factors, e.g., recombinant factor VIII/IX), Antifibrinolytics (inhibition of fibrin degradation)