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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Silletti, S. Kessler, T. Cheresh, D. A. Boger, D. L. Goldberg, J. |
| Description | Author Affiliation: Silletti S ( Department of Immunology and Vascular Biology and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037, USA.); |
| Abstract | Matrix metalloproteinase 2 (MMP2) can associate with integrin alpha(v)beta3 on the surface of endothelial cells, thereby promoting vascular invasion. Here, we describe an organic molecule (TSRI265) selected for its ability to bind to integrin alphav(v)beta3 and block alpha(v)beta3 interaction with MMP2. Although disrupting alpha(v)beta3/MMP2 complex formation, TSRI265 has no effect on alpha(v)beta3 binding to its extracellular matrix ligand vitronectin and does not influence MMP2 activation or catalytic activity directly. However, TSRI265 acts as a potent antiangiogenic agent and thereby blocks tumor growth in vivo. These findings suggest that activated MMP2 does not facilitate vascular invasion during angiogenesis unless it forms a complex with alpha(v)beta(3) on the endothelial cell surface. By disrupting endothelial cell invasion without broadly suppressing cell adhesion or MMP function, the use of compounds such as TSRI265 may provide a novel therapeutic approach for diseases associated with uncontrolled angiogenesis. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 1 |
| Volume Number | 98 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2001-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Angiogenesis Inhibitors Pharmacology Antineoplastic Agents Matrix Metalloproteinase 2 Metabolism Oligopeptides Receptors, Vitronectin Chemistry Animals Cell Division Drug Effects Chick Embryo Chorion Blood Supply Collagen Cricetinae Endothelium, Vascular Enzymology Pathology Enzyme Activation Histocytochemistry Immunoblotting Matrix Metalloproteinase Inhibitors Melanoma Drug Therapy Neoplasm Transplantation Neovascularization, Pathologic Protein Binding Antagonists & Inhibitors Tumor Cells, Cultured Vitronectin Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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