The driver landscape of sporadic chordoma

Patrick S. Tarpey, Sam Behjati, Matthew D. Young, Inigo Martincorena, Ludmil B. Alexandrov, Sarah J. Farndon, Charlotte Guzzo, Claire Hardy, Calli Latimer, Adam P. Butler, Jon W. Teague, Adam Shlien, P. Andrew Futreal, Sohrab Shah, Ali Bashashati, Farzad Jamshidi, Torsten O. Nielsen, David Huntsman, Daniel Baumhoer, Sebastian BrandnerJay Wunder, Brendan Dickson, Patricia Cogswell, Josh Sommer, Joanna J. Phillips, M. Fernanda Amary, Roberto Tirabosco, Nischalan Pillay, Stephen Yip, Michael R. Stratton, Adrienne M. Flanagan, Peter J. Campbell

Research output: Contribution to journalArticlepeer-review

99 Scopus citations

Abstract

Chordoma is a malignant, often incurable bone tumour showing notochordal differentiation. Here, we defined the somatic driver landscape of 104 cases of sporadic chordoma. We reveal somatic duplications of the notochordal transcription factor brachyury (T) in up to 27% of cases. These variants recapitulate the rearrangement architecture of the pathogenic germline duplications of T that underlie familial chordoma. In addition, we find potentially clinically actionable PI3K signalling mutations in 16% of cases. Intriguingly, one of the most frequently altered genes, mutated exclusively by inactivating mutation, was LYST (10%), which may represent a novel cancer gene in chordoma.

Original languageEnglish (US)
Article number890
JournalNature communications
Volume8
Issue number1
DOIs
StatePublished - Dec 1 2017

ASJC Scopus subject areas

  • General Chemistry
  • General Biochemistry, Genetics and Molecular Biology
  • General Physics and Astronomy

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