Urologic oncology · 2024
FOXP3/TLS; a prognostic marker in patients with bladder carcinoma without muscle invasion.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Balçık Onur Yazdan, Yılmaz Fatih
Аннотация
OBJECTIVE: Bladder carcinoma (BC) is a common type of cancer. Approximately 20% of BC patients have non-muscle invasive bladder cancer (NMIBC). Despite adequate BCG treatment, recurrence occurs in approximately 40% of the patients. There is no adequate prognostic marker for recurrence in a group of patients. Forkhead box P3 (FOXP3) is a regulatory T cell marker that sometimes exhibits anti-tumoral effects and can be used as a tumor marker. T-cell immunoglobulin and mucin domain 3 (TIM-3) is an immune checkpoint inhibitor of T cells. Tertiary lymphoid structures (TLS) increase malignancy and inflammation in non-lymphoid organs. Therefore, we aimed to evaluate the prognostic value of FOXP3, TIM-3, and TLS in patients with NMIBC.
METHODS: Patients with pathologically confirmed NMIBC were included in this study. Stromal and intraepithelial cells were evaluated separately using immunohistochemistry, and FOXP3, TIM-3, TLS, FOXP3/TLS, and TIM-3/TLS were calculated and noted. The cutoff value was determined using ROC analysis. Recurrence-free survival (RFS) and overall survival (OS) were evaluated using univariate and multivariate Cox proportional hazard analyses.
RESULTS: The study included ninety-six patients. FOXP3/TLS high group had a better RFS than FOXP3/TLS low group (P = 0.001; HR, 0.079; 95% CI, 0.019-0.337). This was also significant in the multivariate analysis (P = 0.018; HR, 0.125; 95% CI, 0.022-0.705). In the group receiving BCG, FOXP3/TLS, FOXP3-TLS, TIM-3-TLS and TIM-3/TLS elevation were lower in patients with relapse than in patients without relapse and were statistically significant. Combined TIM-3 and FOXP3 elevation was found to be good prognostic regardless of whether it was found in intraepithelial, stromal or TLS.
CONCLUSION: FOXP3/TLS elevation is a good prognostic and predictive marker in all non-muscle invasive bladder cancer cases and in the subgroup receiving BCG. Elevation of FOXP3-TLS, TIM-3-TLS, and TIM-3/TLS is associated with longer RFS in patients receiving BCG. Combined TIM-3 and FOXP3 elevation is indicative of a low recurrence rate in NMIBC.
METHODS: Patients with pathologically confirmed NMIBC were included in this study. Stromal and intraepithelial cells were evaluated separately using immunohistochemistry, and FOXP3, TIM-3, TLS, FOXP3/TLS, and TIM-3/TLS were calculated and noted. The cutoff value was determined using ROC analysis. Recurrence-free survival (RFS) and overall survival (OS) were evaluated using univariate and multivariate Cox proportional hazard analyses.
RESULTS: The study included ninety-six patients. FOXP3/TLS high group had a better RFS than FOXP3/TLS low group (P = 0.001; HR, 0.079; 95% CI, 0.019-0.337). This was also significant in the multivariate analysis (P = 0.018; HR, 0.125; 95% CI, 0.022-0.705). In the group receiving BCG, FOXP3/TLS, FOXP3-TLS, TIM-3-TLS and TIM-3/TLS elevation were lower in patients with relapse than in patients without relapse and were statistically significant. Combined TIM-3 and FOXP3 elevation was found to be good prognostic regardless of whether it was found in intraepithelial, stromal or TLS.
CONCLUSION: FOXP3/TLS elevation is a good prognostic and predictive marker in all non-muscle invasive bladder cancer cases and in the subgroup receiving BCG. Elevation of FOXP3-TLS, TIM-3-TLS, and TIM-3/TLS is associated with longer RFS in patients receiving BCG. Combined TIM-3 and FOXP3 elevation is indicative of a low recurrence rate in NMIBC.