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Structure and function of plasminogen/plasmin system
Authors:R. B. Aisina  L. I. Mukhametova
Affiliation:1. Department of Chemistry, Moscow State University, Moscow, 119992, Russia
Abstract:
The main physiological function of plasmin is blood clot fibrinolysis and restoration of normal blood flow. To date, however, it became apparent that in addition to thrombolysis, the plasminogen/plasmin system plays an important physiological and pathological role in a number of other essential processes: degradation of the extracellular matrix, embryogenesis, cell migration, tissue remodeling, wound healing, angiogenesis, inflammation, and tumor cell migration. This review focuses on structural features of plasminogen, regulation of its activation by physiological plasminogen activators, inhibitors of plasmin, and plasminogen activators, and the role of plasminogen binding to fibrin, cellular receptors, and extracellular ligands in various functions performed by plasmin thus formed.
Keywords:
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