Advances in Clinical and Experimental Medicine
2010, vol. 19, nr 3, May-June, p. 379–387
Publication type: review article
Language: English
The Role of Thrombin-Activatable Fibrinolysis Inhibitor in the Pathophysiology of Hemostasis
Rola inhibitora fibrynolizy aktywowanego trombiną w patofizjologii hemostazy
1 Regional Specialist Hospital in Wrocław, Research and Development Center, Poland
Abstract
The fibrinolytic system is responsible for the enzymatic degradation of fibrin and participates in a wide variety of physiological and pathological processes, such as hemostatic balance, tumor invasion, angiogenesis, tissue remodeling, and reproduction. The balance between clot formation and fibrinolysis is controlled by the molecular components of the hemostatic system, including thrombin-activatable fibrinolysis inhibitor (TAFI). Several studies indicate an important role for plasma TAFI in the regulation of fibrinolysis. It is activated by thrombin during blood clotting and is a link between coagulation and fibrinolysis. Moreover, TAFI plays a pivotal role in inflammation. In this review, recent basic and clinical findings that demonstrate the role of TAFI in regulating the crosstalk between coagulation, fibrinolysis, and inflammation are summarized.
Streszczenie
Układ fibrynolizy jest odpowiedzialny za enzymatyczną degradację fibryny, a także uczestniczy w wielu procesach fizjologicznych i patologicznych, takich jak: hemostaza, migracja komórek nowotworowych, angiogeneza, przebudowa tkanek, rozród. Równowaga między procesem powstawania skrzepu a fibrynolizą jest precyzyjnie kontrolowana przez czynniki układu hemostazy, w tym przez inhibitor fibrynolizy aktywowany trombiną (TAFI). Wykazano, że osoczowe stężenie TAFI ma znaczący wpływ na proces fibrynolizy w stanach patologicznych. Inhibitor TAFI jest aktywowany przez trombinę i jest czynnikiem wiążącym między procesem koagulacyjnym a fibrynolizą. TAFI pełni także ważną rolę w procesie zapalenia. W pracy przedstawiono najnowsze wyniki badań podstawowych i klinicznych na temat roli TAFI w regulacji powiązań między procesami krzepnięcia krwi, fibrynolizy i zapalenia.
Key words
thrombin-activatable fibrinolysis inhibitor, hemostasis
Słowa kluczowe
inhibitor fibrynolizy aktywowany trombiną, hemostaza
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