Journal
INTERNATIONAL JOURNAL OF CANCER
Volume 119, Issue 3, Pages 599-607Publisher
WILEY
DOI: 10.1002/ijc.21902
Keywords
serous epithelial ovarian cancer; low malignant potential borderline tumors; diagnostic and prognostic markers
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Molecular profiling is a powerful approach to identify potential clinical markers for diagnosis and prognosis as well as providing a better understanding of the biology of epithelial ovarian cancer. On the basis of the analysis of HuFL expression data, we have previously identified genes that distinguish low malignant potential and invasive serous epithelial ovarian tumors. In this study, we used immunohistochemistry to monitor a subset of differently, expressed candidates (Ahr, Paep, Madh3, Ran, Met, Mek1, Ccne1, Ced20, Cks1 and Cas). A tissue array composed of 244 serous tumors of different grades (0-3) and stages (I-IV) was used in this analysis. All markers assayed presented differential protein expression between serous tumors of low and high grade. Significant differences in Ccne1 and Ran expression were observed in a comparison of low malignant potential and grade I tumor samples (p < 0.01). In addition, irrespective of the grade, Cene1, Ran. Cdc20 and Cks1 showed significant differences of expression in association with the clinical stage of disease. While high level of Ccne1 have previously been associated with poor outcomes. here we found that high level of either Ran or Cdc20 appear to be more tightly associated with a poor prognosis (p < 0.001, 0.03, respectively). The application of these biomarkers in both the initial diagnosis and prognostic attributes of patients with epithelial ovarian tumors should prove to be useful in patient management. (c) 2006 Wiley-Liss, Inc.
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