Publication: Plasma vascular endothelial growth factor dysregulation in defining aggressiveness of head and neck squamous cell carcinoma
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2012-01-13
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16878469
16878450
16878450
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2-s2.0-84855601143
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Mahidol University
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Journal of Oncology. (2012)
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Boonchu Kulapaditharom, Vipa Boonkitticharoen, Chanika Sritara (2012). Plasma vascular endothelial growth factor dysregulation in defining aggressiveness of head and neck squamous cell carcinoma. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/15015.
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Plasma vascular endothelial growth factor dysregulation in defining aggressiveness of head and neck squamous cell carcinoma
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Abstract
Background. High circulating vascular endothelial growth factor (VEGF) levels tend to reflect tumor aggressiveness for being associated with tumor progression and prognosis. Measurement of soluble VEGF receptor-1 (sVEGFR-1) may improve diagnostic power of VEGF assay. Methods. This study investigated regulation of plasma VEGF by sVEGFR-1 in 82 patients with head and neck squamous cell carcinoma compared with 32 healthy subjects to obtain information for assay characterization. Results. Normality or abnormality of VEGF/sVEGFR-1secretion patterns was rated into five diagnostic levels from definitely abnormal (likelihood ratios) (LRs = 4-∞) to definitely normal (LRs = 0-0.17). Because of ineffective VEGF regulation, high grade tumor had a greater chance (62.5) than low grade tumor (20) in expressing a definitely abnormal pattern and a lower chance to express the normal pattern (P=0.007). VEGF alone had much lower diagnostic power in differentiating between normal (LRs = 0.3-0.9) and abnormal secretion patterns (LRs = 2.2-2.4). Conclusions. VEGF dysregulation is suggestive of tumor aggressiveness for causing persistent plasma VEGF elevation. sVEGFR-1 improves diagnostic power of VEGF assay particularly in identifying subset of low grade tumor with underlying aggressive disease and ruling out aggressiveness in subset of high grade tumor. Copyright © 2012 Boonchu Kulapaditharom et al.