Matrix metalloproteinases: biologic activity and clinical implications.

Nelson AR, Fingleton B, Rothenberg ML, Matrisian LM
J Clin Oncol. 2000 18 (5): 1135-49

PMID: 10694567 · DOI:10.1200/JCO.2000.18.5.1135

Tumor progression is a complex, multistage process by which a normal cell undergoes genetic changes that result in phenotypic alterations and the acquisition of the ability to spread and colonize distant sites in the body. Although many factors regulate malignant tumor growth and spread, interactions between a tumor and its surrounding microenvironment result in the production of important protein products that are crucial to each step of tumor progression. The matrix metalloproteinases (MMPs) are a family of degradative enzymes with clear links to malignancy. These enzymes are associated with tumor cell invasion of the basement membrane and stroma, blood vessel penetration, and metastasis. They have more recently been implicated in primary and metastatic tumor growth and angiogenesis, and they may even have a role in tumor promotion. This review outlines our current understanding of the MMP family, including the association of particular MMPs with malignant phenotypes and the role of MMPs in specific steps of the metastatic cascade. As scientific understanding of the MMPs has advanced, therapeutic strategies that capitalize on blocking the enzymes have rapidly developed. The preclinical and clinical evolution of the synthetic MMP inhibitors (MMPIs) is also examined, with the discussion encompassing important methodologic issues associated with determining clinical efficacy of MMPIs and other novel therapeutic agents.

MeSH Terms (12)

Animals Antineoplastic Agents Clinical Trials as Topic Disease Models, Animal Disease Progression Enzyme Inhibitors Humans Hydroxamic Acids Matrix Metalloproteinase 1 Matrix Metalloproteinase Inhibitors Neoplasms Organic Chemicals

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