2017
Comprehensive Molecular Characterization of Muscle-Invasive Bladder Cancer
Abstract: Summary We report a comprehensive analysis of 412 muscle-invasive bladder cancers characterized by multiple TCGA analytical platforms. Fifty-eight genes were significantly mutated, and the overall mutational load was associated with APOBEC-signature mutagenesis. Clustering by mutation signature identified a high-mutation subset with 75% 5-year survival. mRNA expression clustering refined prior clustering analyses and identified a poor-survival ‘neuronal’ subtype in which the majority of tumors lacked small cel…
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Cited by 2,382 publications
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“…To comprehensively characterize the extrachromosomal circular DNA landscape in UBC and gain insights into its role in genomic heterogeneity and instability, we performed whole-genome/exome sequencing (WGS/WES), Circle-Seq, single-molecule real-time (SMRT) long-read sequencing of circular DNA, and RNA sequencing (RNA-Seq) on 80 pairs of tumor and AT samples ( Figure 1 A and Table S2 ). Consistent with previous reports 4 , 5 , we observed a high tumor mutation load of UBC samples ( Figure S1 D ).…”
Section: Resultssupporting
confidence: 93%
“…To comprehensively characterize the extrachromosomal circular DNA landscape in UBC and gain insights into its role in genomic heterogeneity and instability, we performed whole-genome/exome sequencing (WGS/WES), Circle-Seq, single-molecule real-time (SMRT) long-read sequencing of circular DNA, and RNA sequencing (RNA-Seq) on 80 pairs of tumor and AT samples ( Figure 1 A and Table S2 ). Consistent with previous reports 4 , 5 , we observed a high tumor mutation load of UBC samples ( Figure S1 D ).…”
Section: Resultssupporting
confidence: 93%
“…PLEKHS1 promoter and FGRG3 missense mutations were the next most frequently observed variants, at 38.3% and 36.2%, respectively, followed by TP53 mutations at 31.9%. Consistent with previous reports [ 48 ], FGFR3 and TP53 mutations are the most powerful indicators of cancer grade, with FGFR3 mutations enriched in LG and TP53 mutations enriched in HG tumors ( Figure 2 A,C). Genes responsible for encoding critical effectors and regulators of chromatin remodeling were also frequently mutated and enriched for deletion events.…”
Section: Resultssupporting
confidence: 92%
“…4A). This frequency is consistent with previously reported in other MIBC cohorts 12,26,27 , highlighting their role as BC drivers.…”
Section: Resultssupporting
confidence: 92%
