Genomic landscape of platinum resistant and sensitive testicular cancers
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While most testicular germ cell tumours (TGCTs) exhibit exquisite sensitivity to platinum chemotherapy, ~10% are platinum resistant. To gain insight into the underlying mechanisms, we undertook undertake whole exome sequencing and copy number analysis in 40 tumours from 26 cases with platinum-resistant TGCT, and combined this with published genomic data on an additional 624 TGCTs. We integrated analyses for driver mutations, mutational burden, global, arm-level and focal copy number (CN) events, and SNV and CN signatures. Albeit preliminary and observational in nature, these analyses provide the first support for a possible mechanistic link between early driver mutations in RAS and KIT and the widespread copy number events by which TGCT is characterised.
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2041-1723
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Cancer Research UK (C14303/A17197)
Cancer Research UK (22905)
Cancer Research UK (15601)