Abstract:
:A powerful way to discover key genes with causal roles in oncogenesis is to identify genomic regions that undergo frequent alteration in human cancers. Here we present high-resolution analyses of somatic copy-number alterations (SCNAs) from 3,131 cancer specimens, belonging largely to 26 histological types. We identify 158 regions of focal SCNA that are altered at significant frequency across several cancer types, of which 122 cannot be explained by the presence of a known cancer target gene located within these regions. Several gene families are enriched among these regions of focal SCNA, including the BCL2 family of apoptosis regulators and the NF-kappaBeta pathway. We show that cancer cells containing amplifications surrounding the MCL1 and BCL2L1 anti-apoptotic genes depend on the expression of these genes for survival. Finally, we demonstrate that a large majority of SCNAs identified in individual cancer types are present in several cancer types.
journal_name
Naturejournal_title
Natureauthors
Beroukhim R,Mermel CH,Porter D,Wei G,Raychaudhuri S,Donovan J,Barretina J,Boehm JS,Dobson J,Urashima M,Mc Henry KT,Pinchback RM,Ligon AH,Cho YJ,Haery L,Greulich H,Reich M,Winckler W,Lawrence MS,Weir BA,Tanaka KE,doi
10.1038/nature08822subject
Has Abstractpub_date
2010-02-18 00:00:00pages
899-905issue
7283eissn
0028-0836issn
1476-4687pii
nature08822journal_volume
463pub_type
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