Home FOR AUTHORS Neoplasma 2011 Neoplasma Vol.58, No.3, p.217-226, 2011

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Neoplasma Vol.58, No.3, p.217-226, 2011

Title: Identification of site-specific prognostic biomarkers in patients with oral squamous cell carcinoma
Author: T. I. TRIVEDI, R. A. TANKSHALI, J. V. GOSWAMI, S. N. SHUKLA, P. M. SHAH, N. G. SHAH

Abstract: The purpose of the present study was to identify site-specific prognostic biomarkers in patients with oral squamous cell carcinoma (OSCC). For this purpose, Epidermal growth factor receptor (EGFR), Stat3, H-ras, c-myc, p53, cyclin D1, p16, Rb and Bcl-2 were localized immunohistochemically in buccal mucosa carcinoma (n=74) and tongue carcinoma (n=61) patients. Expression of markers was compared between buccal mucosa and tongue carcinoma and assessed for their prognostic value in site-specific manner. On comparison, only cyclin D1 showed significant difference in expression with higher accumulation in tongue tumors (r=+0.177, p=0.039). Moreover, univariate survival analysis showed that in buccal mucosa patients, loss of p16 and overexpression of H-ras were significant prognosticators for relapse-free survival (RFS) and overall survival (OS), respectively. However, in Cox multivariate analysis, they lost their significance after adjusting for significant clinicopathological parameters. On the other hand, in tongue cancer patients, Cox multivariate analysis showed that for RFS, Stat3 and c-myc, and for OS, Stat3, Bcl-2 and p53 were significant prognosticators after adjusting for significant confounding factors. Our findings indicated that buccal mucosa and tongue carcinoma exhibit different biological behavior which is reflected in prognosis. Therefore, this approach might be helpful to precisely identify patients for more effectively tailored treatment strategy.

Keywords: : oral squamous cell carcinoma; site-specific biomarkers; immunohistochemistry; biological behavior; prognosis.
Year: 2011, Volume: 58, Issue: 3 Page From: 217, Page To: 226
doi:10.4149/neo_2011_03_217
Price: 24.00 €






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