High expression of FUT3 is linked to poor prognosis in clear cell renal cell carcinoma
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Li Meng1,*, Le Xu1,*, Yuanfeng Yang2,*, Lin Zhou2, Yuan Chang2, Tianming Shi1, Cheng Tan1, Huimin An1, Yu Zhu1 and Jiejie Xu3
1Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
2Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
3Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
*These authors have contributed equally to this work
Yu Zhu, email: email@example.com
Jiejie Xu, email: firstname.lastname@example.org
Keywords: clear cell renal cell carcinoma, fucosyltransferase-III, prognosis, overall survival, recurrence free survival
Received: November 01, 2016 Accepted: April 17, 2017 Published: May 09, 2017
Background and Purpose: Some of the fucosylation catalyzed by fucosyltransferase-III mediates the epithelial-mesenchymal transition and enhances tumor cell-macrophage signaling, which promotes malignant transforming and immune evasion. The aim of the study was to investigate the association between the expression of fucosyltransferase-III and clinical outcomes of patients with clear-cell renal cell carcinoma after surgery.
Results: High fucosyltransferase-III expression was associated with a greater risk of recurrence (p = 0.002) and shortened overall survival (p < 0.001). We then established a prognostic nomogram including tumor size, pathologic T, N, M stage, coagulative necrosis, lymphovascular invasion and fucosyltransferase-III expression. Furthermore, the predictive accuracy of the Leibovich prognostic score was improved when fucosyltransferase-III expression was added (p = 0.009 for overall survival and p = 0.002 for recurrence-free survival).
Materials and Methods: We conducted a retrospective cohort study of 406 patients who underwent partial or radical nephrectomy between January 2008 and December 2009 in a single institute. Fucosyltransferase-III expression levels were evaluated by immunohistochemical staining in tumor tissues. Kaplan-Meier method was applied to compare survival curves. Cox regression models were fitted to analyze the effect of prognostic factors on recurrence-free and overall survival. Harrell’s concordance index and Akaike’s Information Criteria were calculated to assess predictive accuracy.
Conclusions: Fucosyltransferase-III is a predictive factor for poor overall survival and recurrence free survival in patients with ccRCC. The inhibitor of fucosyltransferase-III might be a potential therapeutic method for the disease.
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