Galectins-1, -3, and -7 Are Prognostic Markers for Survival of Ovarian Cancer Patients†
AbstractThere is a tremendous need for developing new useful prognostic factors in ovarian cancer. Galectins are a family of carbohydrate binding proteins which have been suggested to serve as prognostic factors for various cancer types. In this study, the presence of Galectin-1, -3, and -7 was investigated in 156 ovarian cancer specimens by immunochemical staining. Staining was evaluated in the cytoplasm and nucleus of cancer cells as well as the peritumoral stroma using a semi quantitative score (Remmele (IR) score). Patients’ overall survival was compared between different groups of Galectin expression. Galectin (Gal)-1 and -3 staining was observed in the peritumoral stroma as well as the nucleus and cytoplasm of tumor cells, while Gal-7 was only present in the cytoplasm of tumor cells. Patients with Gal-1 expression in the cytoplasm or high Gal-1 expression in the peritumoral stroma showed reduced overall survival. Nuclear Gal-3 staining correlated with a better outcome. We observed a significantly reduced overall survival for cases with high Gal-7 expression and a better survival for Gal-7 negative cases, when compared to cases with low expression of Gal-7. We were able to show that both tumor and stroma staining of Gal-1 could serve as negative prognostic factors for ovarian cancer. We were able to confirm cytoplasmic Gal-7 as a negative prognostic factor. Gal-3 staining in the nucleus could be a new positive prognosticator for ovarian cancer. View Full-Text
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Schulz, H.; Schmoeckel, E.; Kuhn, C.; Hofmann, S.; Mayr, D.; Mahner, S.; Jeschke, U. Galectins-1, -3, and -7 Are Prognostic Markers for Survival of Ovarian Cancer Patients. Int. J. Mol. Sci. 2017, 18, 1230.
Schulz H, Schmoeckel E, Kuhn C, Hofmann S, Mayr D, Mahner S, Jeschke U. Galectins-1, -3, and -7 Are Prognostic Markers for Survival of Ovarian Cancer Patients. International Journal of Molecular Sciences. 2017; 18(6):1230.Chicago/Turabian Style
Schulz, Heiko; Schmoeckel, Elisa; Kuhn, Christina; Hofmann, Simone; Mayr, Doris; Mahner, Sven; Jeschke, Udo. 2017. "Galectins-1, -3, and -7 Are Prognostic Markers for Survival of Ovarian Cancer Patients." Int. J. Mol. Sci. 18, no. 6: 1230.
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