Home Neoplasma 2017 Neoplasma Vol.64, No.6, p.916-921, 2017

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Neoplasma Vol.64, No.6, p.916-921, 2017

Title: Expression of thymidylate synthase (TS) and its prognostic significance in patients with cutaneous angiosarcoma
Author: A. Shimizu, K. Kaira, Y. Okubo, D. Utsumi, A. Bolag, M. Yasuda, K. Takahashi, O. Ishikawa

Abstract: Cutaneous angiosarcoma (CA) is extremely rare, and little is known about the biological significance of possible biomarkers for chemotherapeutic agents. Thymidylate synthase (TS) is an attractive target for cancer treatment in various human neoplasms. It remains unclear whether the expression of TS is associated with the clinicopathological features of CA patients. The aim of this study was to elucidate the relationship between TS expression and the clinicopathological significance in CA patients. Fifty-one patients with CA were included in this study. TS expression and Ki-67 labeling index were examined using immunohistochemical analysis. TS was positively expressed in 39% (20/51) of CA patients. No statistically significant prognostic factor was identified as a predictor of overall survival (OS) for all patients by univariate analysis, whereas a significant prognostic variable for progression free survival (PFS) was found to be the clinical stage. In addition, both univariate and multivariate analyses confirmed that positive expression of TS was a significant predictor of worse PFS in CA patients of clinical stage 1. Conclusion: Positive TS expression in CA was identified as a significant predictor of worse outcome in patients of clinical stage 1.

Keywords: thymidylate synthase, prognosis, angiosarcoma, skin cancer, immunohistochemistry
Published online: 14-Nov-2017
Year: 2017, Volume: 64, Issue: 6 Page From: 916, Page To: 921

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