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Article type: Research Article
Authors: Nomura, Megumia | Matsumoto, Kazumasaa; * | Shimizu, Yurikoa | Ikeda, Masaomia | Amano, Noriyukia | Nishi, Mayukob | Ryo, Akihideb | Nagashio, Ryoc | Sato, Yuichic | Iwamura, Masatsugua
Affiliations: [a] Department of Urology, School of Medicine, Kitasato University, Sagamihara 2520374, Japan | [b] Department of Microbiology, School of Medicine, Yokohama City University, Yokohama 2360027, Japan | [c] Department of Molecular Diagnosis, School of Allied Health Sciences, Kitasato University, Sagamihara 2520373, Japan
Correspondence: [*] Corresponding author: Kazumasa Matsumoto, Department of Urology, School of Medicine, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 2520374, Japan. Tel.: +81 42 778 9091; Fax: +81 42 778 9374; E-mail: kazumasa@cd5.so-net.ne.jp.
Abstract: BACKGROUND: New biomarkers may help us provide individualized prognosis and allow risk-stratified clinical decision making about radical treatment. OBJECTIVES: This study aimed to determine the tumor necrosis factor of receptor superfamily 19 (TROY) expression in urothelial carcinoma and its relationship to clinicopathological findings. METHODS: Immunohistochemical staining for TROY was carried out in 136 archival radical cystectomy specimens with immunoreactivity being stratified on a 0–9 scale. Expression scores for TROY were further stratified into negative (score 0) and positive (score 1 or greater). Median age was 65 years, and the median follow-up period was 50.7 months. RESULTS: Expression of TROY was significantly associated with the pathological stage (p= 0.019) and expression of nestin (p= 0.013). Log-rank tests indicated that expression of TROY was significantly associated with disease progression and cancer-specific mortality (p= 0.044 and 0.008, respectively). In multivariate Cox regression analysis, lymph node status was the only independent prognostic factor for disease progression and cancer-specific survival. Expression of TROY was a marginal prognostic factor for cancer-specific survival. CONCLUSIONS: TROY may therefore be a new molecular marker to aid in identifying and selecting patients undergoing radical cystectomy who could potentially benefit from multimodal treatment.
Keywords: Bladder cancer, cystectomy, nestin, urothelial carcinoma, TROY
DOI: 10.3233/CBM-181911
Journal: Cancer Biomarkers, vol. 24, no. 1, pp. 91-96, 2019
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