Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Birkhahn, M; Mitra, AP; Williams, AJ; Lam, G; Ye, W; Datar, RH; Balic, M; Groshen, S; Steven, KE; Cote, RJ.
Predicting recurrence and progression of noninvasive papillary bladder cancer at initial presentation based on quantitative gene expression profiles.
Eur Urol. 2010; 57(1):12-20
Doi: 10.1016/j.eururo.2009.09.013
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- Co-Autor*innen der Med Uni Graz
- Balic Marija
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- Abstract:
- Background: Currently, tumor grade is the best predictor of outcome at first presentation of noninvasive papillary (Ta) bladder cancer. However, reliable predictors of Ta tumor recurrence and progression for individual patients, which could optimize treatment and follow-up schedules based on specific tumor biology, are yet to be identified. Objective: To identify genes predictive for recurrence and progression in Ta bladder cancer at first presentation using a quantitative, pathway-specific approach. Design, setting, and participants: Retrospective study of patients with Ta G2/3 bladder tumors at initial presentation with three distinct clinical outcomes: absence of recurrence (n = 16), recurrence without progression (n = 16), and progression to carcinoma in situ or invasive disease (n = 16). Measurements: Expressions of 24 genes that feature in relevant pathways that are deregulated in bladder cancer were quantified by real-time polymerase chain reaction on tumor biopsies from the patients at initial presentation. Results and limitations: CCND3 (p = 0.003) and HRAS (p = 0.01) were predictive for recurrence by univariate analysis. In a multivariable model based on CCND3 expression, sensitivity and specificity for recurrence were 97% and 63%, respectively. HRAS (p < 0.001), E2F1 (p = 0.017), BIRC5/Survivin (p = 0.038), and VEGFR2 (p = 0.047) were predictive for progression by univariate analysis. Multivariable analysis based on HRAS, VEGFR2, and VEGF identified progression with 81% sensitivity and 94% specificity. Since this is a small retrospective study using medium-throughput profiling, larger confirmatory studies are needed. Conclusions: Gene expression profiling across relevant cancer pathways appears to be a promising approach for Ta bladder tumor outcome prediction at initial diagnosis. These results could help differentiate between patients who need aggressive versus expectant management. (C) 2009 European Association of Urology. Published by Elsevier B. V. All rights reserved.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Aged -
- Aged, 80 and over -
- Biopsy -
- Carcinoma in Situ - diagnosis Carcinoma in Situ - genetics Carcinoma in Situ - pathology Carcinoma in Situ - therapy
- Disease Progression -
- Female -
- Gene Expression Profiling -
- Gene Expression Regulation, Neoplastic -
- Genetic Predisposition to Disease -
- Genetic Testing - methods
- Humans -
- Male -
- Middle Aged -
- Neoplasm Invasiveness -
- Neoplasm Staging -
- Predictive Value of Tests -
- Recurrence -
- Retrospective Studies -
- Reverse Transcriptase Polymerase Chain Reaction -
- Risk Assessment -
- Risk Factors -
- Sensitivity and Specificity -
- Treatment Outcome -
- Tumor Markers, Biological - genetics
- Urinary Bladder Neoplasms - diagnosis Urinary Bladder Neoplasms - genetics Urinary Bladder Neoplasms - pathology Urinary Bladder Neoplasms - therapy
- Find related publications in this database (Keywords)
- Noninvasive urothelial carcinoma
- First presentation
- Recurrence
- Progression
- CCND3
- HRAS
- E2F1
- Survivin
- VEGFR2
- VEGF