Incidence and distribution of UroSEEK gene panel in a multi-institutional cohort of bladder urothelial carcinoma

Marie Lisa Eich, Maria Del Carmen Rodriguez Pena, Simeon U. Springer, Diana Taheri, Aline C. Tregnago, Daniela C. Salles, Stephania Martins Bezerra, Isabela W. Cunha, Kazutoshi Fujita, Dilek Ertoy, Trinity Bivalacqua, Cristian Tomasetti, Nickolas Papadopoulos, Kenneth W Kinzler, Bert Vogelstein, George J. Netto

Research output: Contribution to journalArticle

Abstract

Noninvasive approaches for early detection of bladder cancer are actively being investigated. We recently developed a urine- based molecular assay for the detection and surveillance of bladder neoplasms (UroSEEK). UroSEEK is designed to detect alterations in 11 genes that include most common genetic alterations in bladder cancer. In this study, we analyzed 527 cases, including 373 noninvasive and 154 invasive urothelial carcinomas of bladder from transurethral resections or cystectomies performed at four institutions (1991–2016). Two different mutational analysis assays of a representative tumor area were performed: first, a singleplex PCR assay for evaluation of the TERT promoter region (TERTSeqS) and second, a multiplex PCR assay using primers designed to amplify regions of interest of 10 (FGFR3, PIK3CA, TP53, HRAS, KRAS, ERBB2, CDKN2A, MET, MLL, and VHL) genes (UroSeqS). Overall, 92% of all bladder tumors were positive for at least one genetic alteration in the UroSEEK panel. We found TERT promoter mutations in 77% of low-grade noninvasive papillary carcinomas, with a relatively lower incidence of 65% in high-grade noninvasive papillary carcinomas and carcinomas in situ; p = 0.017. Seventy-two percent of pT1 and 63% of muscle-invasive bladder tumors harbored TERT promoter mutations with g.1295228C>T alteration being the most common in all groups. FGFR3 and PIK3CA mutations were more frequent in low-grade noninvasive papillary carcinomas compared with high-grade noninvasive papillary carcinomas and carcinomas in situ (p < 0.0001), while the opposite was true for TP53 (p < 0.0001). Significantly higher rates of TP53 and CDKN2A mutation rates (p = 0.005 and 0.035, respectively) were encountered in muscle-invasive bladder tumors compared with those of pT1 stage. The overwhelming majority of all investigated tumors showed at least one mutation among UroSEEK assay genes, confirming the comprehensive coverage of the panel and supporting its potential utility as a noninvasive urine-based assay.

Original languageEnglish (US)
JournalModern Pathology
DOIs
StatePublished - Jan 1 2019

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Urinary Bladder Neoplasms
Urinary Bladder
Papillary Carcinoma
Carcinoma
Incidence
Genes
Mutation
Carcinoma in Situ
Urine
Muscles
Cystectomy
Multiplex Polymerase Chain Reaction
Mutation Rate
Early Detection of Cancer
Genetic Promoter Regions
Neoplasms
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Eich, M. L., Rodriguez Pena, M. D. C., Springer, S. U., Taheri, D., Tregnago, A. C., Salles, D. C., ... Netto, G. J. (2019). Incidence and distribution of UroSEEK gene panel in a multi-institutional cohort of bladder urothelial carcinoma. Modern Pathology. https://doi.org/10.1038/s41379-019-0276-y

Incidence and distribution of UroSEEK gene panel in a multi-institutional cohort of bladder urothelial carcinoma. / Eich, Marie Lisa; Rodriguez Pena, Maria Del Carmen; Springer, Simeon U.; Taheri, Diana; Tregnago, Aline C.; Salles, Daniela C.; Bezerra, Stephania Martins; Cunha, Isabela W.; Fujita, Kazutoshi; Ertoy, Dilek; Bivalacqua, Trinity; Tomasetti, Cristian; Papadopoulos, Nickolas; Kinzler, Kenneth W; Vogelstein, Bert; Netto, George J.

In: Modern Pathology, 01.01.2019.

Research output: Contribution to journalArticle

Eich, Marie Lisa ; Rodriguez Pena, Maria Del Carmen ; Springer, Simeon U. ; Taheri, Diana ; Tregnago, Aline C. ; Salles, Daniela C. ; Bezerra, Stephania Martins ; Cunha, Isabela W. ; Fujita, Kazutoshi ; Ertoy, Dilek ; Bivalacqua, Trinity ; Tomasetti, Cristian ; Papadopoulos, Nickolas ; Kinzler, Kenneth W ; Vogelstein, Bert ; Netto, George J. / Incidence and distribution of UroSEEK gene panel in a multi-institutional cohort of bladder urothelial carcinoma. In: Modern Pathology. 2019.
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