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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mori, H. Diaconu, E. Willson, J. Guo, K. Pearlman, E. Liu, D. Sy, M. S. Haqqi, T. Markowitz, S. |
| Description | Author Affiliation: Liu D ( Institute of Pathology, Cancer Research Institute, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA.); |
| Abstract | Hyaluronic acid is a proteoglycan present in the extracellular matrix and is important for the maintenance of tissue architecture. Depolymerization of hyaluronic acid may facilitate tumor invasion. In addition, oligosaccharides of hyaluronic acid have been reported to induce angiogenesis. We report here that a hyaluronidase similar to the one on human sperm is expressed by metastatic human melanoma, colon carcinoma, and glioblastoma cell lines and by tumor biopsies from patients with colorectal carcinomas, but not by tissues from normal colon. Moreover, angiogenesis is induced by hyaluronidase+ tumor cells but not hyaluronidase- tumor cells and can be blocked by an inhibitor of hyaluronidase. Tumor cells thus use hyaluronidase as one of the 'molecular saboteurs' to depolymerize hyaluronic acid to facilitate invasion. As a consequence, breakdown products of hyaluronic acid can further promote tumor establishment by inducing angiogenesis. Hyaluronidase on tumor cells may provide a target for anti-neoplastic drugs. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 15 |
| Volume Number | 93 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1996-10-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Hyaluronoglucosaminidase Biosynthesis Melanoma Blood Supply Enzymology Neovascularization, Pathologic Animals Cell Division Drug Effects Chamomile Colonic Neoplasms Cornea DNA Primers Enzyme Inhibitors Pharmacology Flavonoids Glioblastoma Glioma Antagonists & Inhibitors Pathology Mice Mice, Inbred BALB C Molecular Sequence Data Neoplasm Invasiveness Neoplasm Metastasis Oils, Volatile Plants, Medicinal Polymerase Chain Reaction RNA, Messenger Time Factors Transcription, Genetic Transplantation, Heterologous Tumor Cells, Cultured Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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