Abstract:
:Radiotherapy is not currently informed by the genetic composition of an individual patient's tumour. To identify genetic features regulating survival after DNA damage, here we conduct large-scale profiling of cellular survival after exposure to radiation in a diverse collection of 533 genetically annotated human tumour cell lines. We show that sensitivity to radiation is characterized by significant variation across and within lineages. We combine results from our platform with genomic features to identify parameters that predict radiation sensitivity. We identify somatic copy number alterations, gene mutations and the basal expression of individual genes and gene sets that correlate with the radiation survival, revealing new insights into the genetic basis of tumour cellular response to DNA damage. These results demonstrate the diversity of tumour cellular response to ionizing radiation and establish multiple lines of evidence that new genetic features regulating cellular response after DNA damage can be identified.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Yard BD,Adams DJ,Chie EK,Tamayo P,Battaglia JS,Gopal P,Rogacki K,Pearson BE,Phillips J,Raymond DP,Pennell NA,Almeida F,Cheah JH,Clemons PA,Shamji A,Peacock CD,Schreiber SL,Hammerman PS,Abazeed MEdoi
10.1038/ncomms11428subject
Has Abstractpub_date
2016-04-25 00:00:00pages
11428issn
2041-1723pii
ncomms11428journal_volume
7pub_type
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