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연세대학교 의과대학 Yonsei Medical Journal Yonsei Medical Journal 제57권 제4호
발행연도
2016.1
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831 - 839 (9page)

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Purpose: To examine the usefulness of various receptor tyrosine kinase expressions as prognostic markers and therapeutic targetsin muscle invasive urothelial cancer (UC) patients. Materials and Methods: We retrospectively analyzed the data of 98 patients with muscle invasive UC who underwent radical cystectomybetween 2005 and 2010 in Yonsei Cancer Center. Using formalin fixed paraffin embedded tissues of primary tumors, immunohistochemicalstaining was done for human epidermal growth factor receptor 2 (HER2), fibroblast growth factor receptor 1 (FGFR1), and fibroblast growth factor receptor 3 (FGFR3). Results: There were 41 (41.8%), 44 (44.9%), and 14 (14.2%) patients who have over-expressed HER2, FGFR1, and FGFR3, respectively. In univariate analysis, significantly shorter median time to recurrence (TTR) (12.9 months vs. 49.0 months; p=0.008) and overall survival (OS) (22.3 months vs. 52.7 months; p=0.006) was found in patients with FGFR1 overexpression. By contrast, there was no difference in TTR or OS according to the HER2 and FGFR3 expression status. FGFR1 remained as a significant prognostic factor for OS with hazard ratio of 2.23 (95% confidence interval: 1.27–3.90, p=0.006) in multivariate analysis. Conclusion: Our result showed that FGFR1 expression, but not FGFR3, is an adverse prognostic factor in muscle invasive UC patientsafter radical cystectomy. FGFR1 might be feasible for prognosis prediction and a potential therapeutic target after thorough validation in muscle invasive UC.

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