4.6 Article

(Pro)renin Receptor Is a Novel Independent Prognostic Marker in Invasive Urothelial Carcinoma of the Bladder

期刊

CANCERS
卷 13, 期 22, 页码 -

出版社

MDPI
DOI: 10.3390/cancers13225642

关键词

(pro)renin receptor; urothelial carcinoma; prognosis; biomarker

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资金

  1. Fundacion para la Investigacion en Urologia, Asociacion Espanola de Urologia (FIU-EAU 2017 Spain)
  2. Ministerio de Economia y Competitividad (MINECO, Spain) [SAF2016-79847R]
  3. Ministerio de Economia y Competitividad (Fondo Europeo de Desarrollo Regional)
  4. Laboratories Pierre Fabre
  5. Fundacion para la Investigacion en Urologia, Asociacion Espanola de Urologia (FIU-EAU 2019 Spain)

向作者/读者索取更多资源

This study provides a novel description of the (Pro)renin receptor (PRR) protein and its prognostic role in invasive urothelial cancer of the bladder. It demonstrates that PRR expression is an independent prognostic marker and may be a potential target in urothelial carcinoma. The study suggests that PRR activates pathogenic pathways contributing to cell proliferation, immunosuppressive microenvironments, and aggressive neoplastic phenotypes.
Simple Summary: This is a novel description of (Pro)renin receptor (PRR) protein and its prognostic role in invasive urothelial cancer of the bladder. Using a tissue microarray, we investigated PRR expression and other immunohistochemical markers including p53, immune-checkpoint inhibition, and basal and luminal phenotypes in a series of patients with invasive urothelial carcinoma of the bladder treated with radical cystectomy. PRR expression is an independent prognostic marker and could be a potential target in urothelial carcinoma that should be further investigated. (Pro)renin receptor (PRR) is being investigated in several malignancies as it activates pathogenic pathways that contribute to cell proliferation, immunosuppressive microenvironments, and acquisition of aggressive neoplastic phenotypes. Its implication in urothelial cancer (UC) has not been evaluated so far. We retrospectively evaluate the prognostic role of PRR expression in a series of patients with invasive UC treated with radical cystectomy and other clinical and histopathological parameters including p53, markers of immune-checkpoint inhibition, and basal and luminal phenotypes evaluated by tissue microarray. Cox regression analyses using stepwise selection evaluated candidate prognostic factors and disease-specific survival. PRR was expressed in 77.3% of the primary tumors and in 70% of positive lymph nodes. PRR expression correlated with age (p = 0.006) and was associated with lower preoperatively hemoglobin levels. No other statistical association was evidenced with clinical and pathological variables (gender, ASA score, Charlson comorbidity index, grade, pT, pN) or immunohistochemical expressions evaluated (CK20, GA-TA3, CK5/6, CD44, PD-L1, PD-1, B7-H3, VISTA, and p53). PRR expression in primary tumors was associated with worse survival (log-rank, p = 0.008). Cox regression revealed that PRR expression (HR 1.85, 95% CI 1.22-2.8), pT (HR 7.02, 95% CI 2.68-18.39), pN (HR 2.3, 95% CI 1.27-4.19), and p53 expression (HR 1.95, 95% CI 1.1-3.45) were independent prognostic factors in this series. In conclusion, we describe PRR protein and its prognostic role in invasive UC for the first time. Likely mechanisms involved are MAPK/ERK activation, Wnt/beta-catenin signaling, and v-ATPAse function.

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