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| Proteases as prognostic markers in cancer |
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| Author(s): Duffy MJ |
| Source: CLINICAL CANCER RESEARCH Volume: 2 Issue: 4 Pages: 613-618 Published: APR 1996 |
| Times Cited: 223 References: 73 |
| Abstract: It is the ability to invade and metastasize that ultimately determines the prognosis in cancer, Comprising one of the key groups of molecules involved in invasion and metastasis are proteases such as urokinase plasminogen activator and cathepsins B, D, and L, as well as various metalloproteases. These proteases catalyze degradation of the interstitial matrix and basement membranes, allowing cancer cells to invade locally and metastasize to distant sites, If proteases are directly and causally involved in cancer spread, they have the potential to be new prognostic markers in cancer, One of the best examples of a correlation between high levels of a protease in a primary tumor and poor prognosis is urokinase plasminogen activation in breast cancer. In this malignancy, the urokinase plasminogen activator is a strong and independent prognostic marker and may be a marker for axillary node-negative disease, The urokinase plasminogen activator may also be a prognostic marker in other cancers such as gastric, colorectal, lung, bladder, cervical, and ovarian cancers, In a number of studies, cathepsin D has been shown to be a prognostic factor in breast cancer, However, results with cathepsin D, especially when immunocytochemistry Is used for its detection, are conflicting, Levels of cathepsin B, cathepsin L, and certain metalloproteases may also supply prognostic data in certain cancers, but results with these proteases are still preliminary. |
| Document Type: Article |
| Language: English |
| Reprint Address: Duffy, MJ (reprint author), ST VINCENTS HOSP, DEPT NUCL MED, DUBLIN 4, IRELAND |
| Publisher: AMER ASSOC CANCER RESEARCH, PUBLIC LEDGER BLDG, SUITE 816, 150 S. INDEPENDENCE MALL W., PHILADELPHIA, PA 19106 |
| Subject Category: Oncology |
| IDS Number: UD929 |
| ISSN: 1078-0432 |
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