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Role of the Matrix Metalloproteinase and Plasminogen Activator–Plasmin Systems in Angiogenesis

2001; Lippincott Williams & Wilkins; Volume: 21; Issue: 7 Linguagem: Inglês

10.1161/hq0701.093685

1524-4636

Michael S. Pepper,

Peptidase Inhibition and Analysis

Abstract —Extracellular proteolysis is an absolute requirement for new blood vessel formation (angiogenesis). This review examines the role of the matrix metalloproteinase (MMP) and plasminogen activator (PA)–plasmin systems during angiogenesis. Specifically, a role for gelatinases (MMP-2, MMP-9), membrane-type 1 MMP (MMP-14), the urokinase-type PA receptor, and PA inhibitor 1 has been clearly defined in a number of model systems. The MMP and PA-plasmin systems have also been implicated in experimental vascular tumor formation, and their role during this process will be examined. Antiproteolysis, particularly in the context of angiogenesis, has become a key target in therapeutic strategies aimed at inhibiting tumor growth and other diseases associated with neovascularization.