tissue plasminogen activator

protein

Also known as: t-PA

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Last updated

July 17, 2026

Quick Summary

Tissue plasminogen activator (TPA) is a clot-dissolving enzyme naturally produced in blood vessel linings. It is used in a genetically engineered form to prevent heart muscle damage after a heart attack and reduce neurological damage from ischemic stroke. TPA works by activating the fibrinolytic pathway, which helps break down blood clots. Unlike anticoagulants that prevent clot formation, TPA stimulates the dissolution of existing clots. It binds to fibrin and activates plasminogen specifically at the clot site, minimizing the breakdown of other clotting factors. This makes it a valuable treatment for acute coronary thrombosis, allowing for rapid restoration of blood flow to the heart.12

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fibrinolytic drug
Tissue plasminogen activator (t-PA) stimulates fibrinolysis, and it has several important advantages over streptokinase and urokinase in treating coronary thrombosis. It binds readily to fibrin and, after intravenous administration, activates only the plasminogen that is bound to the clot; thus, fibrinolysis occurs in the absence…
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Tissue plasminogen activator (t-PA) stimulates fibrinolysis, and it has several important advantages over streptokinase and urokinase in treating coronary thrombosis. It binds readily to fibrin and, after intravenous administration, activates only the plasminogen that is bound to the clot; thus, fibrinolysis occurs in the absence…
Read More