tissueplasminogen activator

tissue plasminogen activator n. Abbr. TPA or tPA
1. A clot-dissolving enzyme that is produced naturally by cells in the walls of blood vessels and catalyzes the conversion of plasminogen to plasmin.
2. A preparation of this enzyme that is produced by genetic engineering and used to dissolve clots blocking coronary arteries in heart attack and cranial arteries in certain cases of stroke.

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Universalium. 2010.

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