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Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Proc+Natl+Acad+Sci+U+S+A 2016 ; 113 (17): E2373-82 Nephropedia Template TP
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The tandem duplicator phenotype as a distinct genomic configuration in cancer #MMPMID27071093
Proc Natl Acad Sci U S A 2016[Apr]; 113 (17): E2373-82 PMID27071093show ga
In this study, we provide the first detailed molecular characterization, to our knowledge, of a distinct cancer genomic configuration, the tandem duplicator phenotype (TDP), that is significantly enriched in the molecularly related triple-negative breast, serous ovarian, and endometrial carcinomas. We show here that TDP represents an oncogenic configuration featuring (i) genome-wide disruption of cancer genes, (ii) loss of cell cycle control and DNA damage repair, and (iii) increased sensitivity to cisplatin chemotherapy both in vitro and in vivo. Therefore, the TDP is a systems strategy to achieve a protumorigenic genomic configuration by altering a large number of oncogenes and tumor suppressors. The TDP arises in a molecular context of joint genomic instability and replicative drive, and is consequently associated with enhanced sensitivity to cisplatin.