Clinical Significance of Circulating Osteopontin Levels in Patients With Lung Cancer and Correlation With VEGF and MMP-9
Date
2016Language
en
Keyword
Abstract
Osteopontin (OPN) is a multifunctional cytokine involved in carcinogenesis. Serum levels of OPN, vascular endothelial growth factor (VEGF), and matrix metalloproteinase-9 (MMP-9) were measured by ELISA in 90 lung cancer patients. OPN levels were elevated in patients compared to controls (p <.0001). Smokers, patients with worse performance status, and weight loss exhibited higher OPN levels (p =.0012,.00036, and.0003, respectively). Increased OPN levels were associated with worse survival (p =.0018). Finally, OPN levels were positively correlated with both VEGF (p =.0008) and MMP-9 (p <.0001). OPN might serve as a prognostic biomarker, and the positive correlation between OPN and both VEGF and MMP-9 could implicate new insights in tumor angiogenesis. © 2016 Taylor & Francis Group, LLC.
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