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dc.contributor.authorRodrigues, L. R.-
dc.contributor.authorTeixeira, J. A.-
dc.contributor.authorSchmitt, Fernando C.-
dc.contributor.authorPaulsson, Marie-
dc.contributor.authorLindmark-Mässon, Helena-
dc.identifier.citation"Cancer Epidemiology Biomarkers & Prevention". ISSN 1055-9965. 16:6 (June 2007) 1087-1097.eng
dc.description.abstractThe use of cancer biomarkers to anticipate the outlines of disease has been an emerging issue, especially as cancer treatment has made such positive steps in the last few years. Progress in the development of consistent malignancy markers is imminent because advances in genomics and bioinformatics have allowed the examination of immense amounts of data. Osteopontin is a phosphorylated glycoprotein secreted by activated macrophages, leukocytes, and activated T lymphocytes, and is present in extracellular fluids, at sites of inflammation, and in the extracellular matrix of mineralized tissues. Several physiologic roles have been attributed to osteopontin, i.e., in inflammation and immune function, in mineralized tissues, in vascular tissue, and in kidney. Osteopontin interacts with a variety of cell surface receptors, including several integrins and CD44. Binding of osteopontin to these cell surface receptors stimulates cell adhesion, migration, and specific signaling functions. Overexpression of osteopontin has been found in a variety of cancers, including breast cancer, lung cancer, colorectal cancer, stomach cancer, ovarian cancer, and melanoma. Moreover, osteopontin is present in elevated levels in the blood and plasma of some patients with metastatic cancers. Therefore, suppression of the action of osteopontin may confer significant therapeutic activity, and several strategies for bringing about this suppression have been identified. This review looks at the recent advances in understanding the possible mechanisms by which osteopontin may contribute functionally to malignancy, particularly in breast cancer. Furthermore, the measurement of osteopontin in the blood or tumors of patients with cancer, as a way of providing valuable prognostic information, will be discussed based on emerging clinical data.eng
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCTeng
dc.publisherAmerican Association for Cancer Researcheng
dc.titleThe role of osteopontin in tumour progression and metastasis in breast cancereng
sdum.journalCancer Epidemiology Biomarkers & Preventionpor
Appears in Collections:CEB - Publicações em Revistas/Séries Internacionais / Publications in International Journals/Series

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