MMP-14 and CD44 in Epithelial-to-Mesenchymal Transition (EMT) in ovarian cancer

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Abstract

© 2016 The Author(s). Background: To investigate the expression of MMP-14 and CD44 as well as epithelial-to-mesenchymal transition(EMT)-like changes in ovarian cancer and to determine correlations with clinical outcome. Methods: In 97 patients with ovarian cancer, MMP-14 and CD44 expression as determined by immunohistochemistry was investigated in relation to EMT-like changes. To determine this, immunohistochemical staining of E-cadherin and vimentin was performed. Results: Patients with expression of both MMP-14 and CD44 in their tumors had a poor prognosis despite complete debulking. Serous histology in advanced-stage tumors (FIGO IIB-IV) correlated with CD44 (rho.286, p < 0.01). Also, CD44 correlated with percentage vimentin expression (rho.217, p < 0.05). In logistic regression analysis with complete debulking as the outcome parameter, CD44 expression was found to be significant (OR 3,571 (95 % Confidence Interval 1,112-11,468) p = 0.032), though this was not the case for MMP-14 and EMT parameters. Conclusion: The subgroup of patients with double expression of MMP-14 and CD44 had a poor prognosis despite complete debulking. Serous subtype in advanced-stage patients and CD44 expression were found to be correlated with vimentin expression, and CD44 expression was found to be significantly correlated with complete debulking. However, a significant correlation between EMT and clinical parameters was not found.

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Vos, M. C., Hollemans, E., Ezendam, N., Feijen, H., Boll, D., Pijlman, B., … Massuger, L. F. A. G. (2016). MMP-14 and CD44 in Epithelial-to-Mesenchymal Transition (EMT) in ovarian cancer. Journal of Ovarian Research, 9(1). https://doi.org/10.1186/s13048-016-0262-7

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