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Supplementary Figures 7 - 14, Tables 3 - 7 from Integrative Analysis of 1q23.3 Copy-Number Gain in Metastatic Urothelial Carcinoma

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posted on 2023-03-31, 17:52 authored by Markus Riester, Lillian Werner, Joaquim Bellmunt, Shamini Selvarajah, Elizabeth A. Guancial, Barbara A. Weir, Edward C. Stack, Rachel S. Park, Robert O'Brien, Fabio A.B. Schutz, Toni K. Choueiri, Sabina Signoretti, Josep Lloreta, Luigi Marchionni, Enrique Gallardo, Federico Rojo, Denise I. Garcia, Yvonne Chekaluk, David J. Kwiatkowski, Bernard H. Bochner, William C. Hahn, Azra H. Ligon, Justine A. Barletta, Massimo Loda, David M. Berman, Philip W. Kantoff, Franziska Michor, Jonathan E. Rosenberg
<p>PDF file - 310KB, Figure S7: Comparison of copy number ratios at the 1q21.2 (MCL1) locus and 1q23.3; Figure S8: IGV screenshots of the 1q23.3 amplified region (Figure 3) for both cohorts; Figure S9: Kaplan-Meier curves for the second 1q23.3 GISTIC peak, located around FCGR3B; Figure S10: Kaplan-Meier curves for the PBX1 GISTIC peak at 1q23.3 (peak 3); Figure S11: Venn diagram of patients with amplification (log2 > 0.9) of the three GISTIC peaks in the (a) Spanish, (b) DFCI and (c) TCGA cohorts; Figure S12: Boxplots visualizing the correlation of mRNA expression and copy number in the Spanish cohort for all genes in the 1q23.3 GISTIC peak 1; Figure S13: Boxplots visualizing the correlation of mRNA expression and copy number in the DFCI cohort for all genes in the 1q23.3 GISTIC peak 1; Figure S14: Panel (a) shows the correlation of copy number and Immunohistochemistry (IHC) staining of the PVRL4 gene in the Spanish cohort; Table S3: Associations of GISTIC peaks with overall survival after start of chemotherapy, adjusted for ECOG performance status and visceral disease (Spanish cohort); Table S4: Copy numbers in all bladder cancer cohorts at all three 1q23.3 GISTIC peaks. Numbers of patients in the TCGA cohort correspond to patients with clinical information; Table S5: Associations of ECOG PS, visceral disease, 1q23.3 amplification (peak 2, FCGR3B gene) and OS; Table S6: Associations of ECOG PS, visceral disease, 1q23.3 amplification (peak 3, PBX1 gene) and OS; Table S7: For the genes in 1q23.3, this table lists the correlations of copy number and mRNA expression and the correlations of overall survival and mRNA expression.</p>

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ARTICLE ABSTRACT

Purpose: Metastatic urothelial carcinoma of the bladder is associated with multiple somatic copy-number alterations (SCNAs). We evaluated SCNAs to identify predictors of poor survival in patients with metastatic urothelial carcinoma treated with platinum-based chemotherapy.Experimental Design: We obtained overall survival (OS) and array DNA copy-number data from patients with metastatic urothelial carcinoma in two cohorts. Associations between recurrent SCNAs and OS were determined by a Cox proportional hazard model adjusting for performance status and visceral disease. mRNA expression was evaluated for potential candidate genes by NanoString nCounter to identify transcripts from the region that are associated with copy-number gain. In addition, expression data from an independent cohort were used to identify candidate genes.Results: Multiple areas of recurrent significant gains and losses were identified. Gain of 1q23.3 was independently associated with a shortened OS in both cohorts [adjusted HR, 2.96; 95% confidence interval (CI), 1.35–6.48; P = 0.01 and adjusted HR, 5.03; 95% CI, 1.43–17.73; P < 0.001]. The F11R, PFDN2, PPOX, USP21, and DEDD genes, all located on 1q23.3, were closely associated with poor outcome.Conclusions: 1q23.3 copy-number gain displayed association with poor survival in two cohorts of metastatic urothelial carcinoma. The identification of the target of this copy-number gain is ongoing, and exploration of this finding in other disease states may be useful for the early identification of patients with poor-risk urothelial carcinoma. Prospective validation of the survival association is necessary to demonstrate clinical relevance. Clin Cancer Res; 20(7); 1873–83. ©2014 AACR.

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