Cancer Stem Cell Immunophenotypes And Matrix Metalloproteinase-9 Influences On Prognosis Of Early Stage Oral Squamous Cell Carcinoma Patients | 9247
ISSN: 2161-0681

Journal of Clinical & Experimental Pathology
Open Access

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Cancer stem cell immunophenotypes and matrix metalloproteinase-9 influences on prognosis of early stage oral squamous cell carcinoma patients

2nd International Conference and Exhibition on Pathology

Lucinei Roberto Oliveira, Castilho-Fernandes A, Oliveira-Costa JP, Soares FA, Grossmann SMC, Meyer TN and Ribeiro-Silva A

Accepted Abstracts: J Clin Exp Pathol

DOI: 10.4172/2161-0681.S1.010

This study aims to investigate putative cancer stem cells (CSC) immunophenotypes and the associated effects of matrix metalloproteinase-9 (MMP-9) immunoexpression in early stage oral squamous cell carcinomas (OSCC) to assess their influences on tumor prognosis. The following data were derived from 150 patients: age, gender, primary anatomic site, smoking status, alcohol intake, recurrence, metastases, histological classification, treatment, disease-free survival (DFS), and overall survival (OS). Immunohistochemical study of CD44, CD133, and MMP-9 expression was performed on a tissue microarray of 150 paraffin blocks of OSCCs. The predominant CSC immunophenotype identified to exhibit a significant correlation with MMP-9 was the CD44+⁄ CD133+. Multivariate analyses identified a significant correlation of OS with surgical treatment and with CD44+/CD133+ immunophenotype. This investigation demonstrated the prognostic importance of CD44/CD133 expression, which can help improve the prognostic value of surgical treatment for OSCCs when diagnosed in early stages.