Fibroblast Growth Factor Receptor 2 Expression May Be Involved In Transformation of Ovarian Endometrioma to Clear Cell Carcinoma of the Ovary

Fuminori Taniguchi, Taniguchi F, Hiroaki Itamochi, Itamochi H, Tasuku Harada, Harada T, Terakawa N, Naoki Terakawa
International journal of gynecological cancer : official journal of the International Gynecological Cancer Society · 2013 · vol. 23(5) , pp. 791–796 · doi:10.1097/igc.0b013e31828f38c4 · PMID:23640291 · W2322349420
article OA: closed CC0 ⤵ 3 in-corpus citations
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This study investigates the potential role of fibroblast growth factor receptor 2 expression in the transformation of ovarian endometriomas into clear cell carcinomas.

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Abstract

ObjectiveThe objective of this study was to determine the genes that may be associated with malignant transformation of ovarian endometrioma.MethodsEndometriotic epithelial cells were isolated from tissues derived from chocolate cyst linings by laser capture microdissection. A Gene Chip Human Genome U133 Plus 2.0 Array was applied to evaluate levels of gene expression in 3 different groups of epithelial cells: epithelial cells of endometrioma, epithelial cells of endometrioma adjacent to clear cell carcinoma, and epithelial cells of clear cell carcinoma. As a validation assay, real-time reverse transcriptase-polymerase chain reaction and immunohistochemical analyses were performed.ResultsGene expression analysis identified differential expressions among the 3 groups of epithelial cells. Using the classification of a signaling pathways database, 9 genes (12 gene probes) were selected from among 39 up-regulated genes indicating more than 2-fold higher expression between any comparisons of the 3 groups in the comprehensive microarray. Enhancement of fibroblast growth factor receptor 2 (FGFR2) gene expression was detected by microarray using 3 distinct probes. Gene and protein expression of FGFR2 differed significantly between epithelial cells of endometrioma and the epithelial component of clear cell carcinoma.ConclusionsWe demonstrated that FGFR2 may play a significant role in the carcinogenesis of endometriosis and thus represents a potential therapeutic target.

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Condition tags

endometriosisendometrioma

MeSH descriptors

Adenocarcinoma, Clear Cell Cell Transformation, Neoplastic Endometriosis Epithelial Cells Ovarian Neoplasms Receptor, Fibroblast Growth Factor, Type 2 Adenocarcinoma, Clear Cell Adenocarcinoma, Clear Cell Adenocarcinoma, Clear Cell Biomarkers, Tumor Biomarkers, Tumor Biomarkers, Tumor Cell Transformation, Neoplastic Endometriosis Endometriosis Endometriosis Epithelial Cells Epithelial Cells Female Gene Expression Profiling

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