Whole exome sequencing of adenoid cystic carcinoma

Philip J. Stephens, Helen R. Davies, Yoshitsugu Mitani, Peter Van Loo, Adam Shlien, Patrick S. Tarpey, Elli Papaemmanuil, Angela Cheverton, Graham R. Bignell, Adam P. Butler, John Gamble, Stephen Gamble, Claire Hardy, Jonathan Hinton, Mingming Jia, Alagu Jayakumar, David Jones, Calli Latimer, Stuart McLaren, David J. McBrideAndrew Menzies, Laura Mudie, Mark Maddison, Keiran Raine, Serena Nik-Zainal, Sarah O'Meara, Jon W. Teague, Ignacio Varela, David C. Wedge, Ian Whitmore, Scott M. Lippman, Ultan McDermott, Michael R. Stratton, Peter J. Campbell, Adel K. El-Naggar, P. Andrew Futreal

Research output: Contribution to journalArticlepeer-review

215 Scopus citations

Abstract

Adenoid cystic carcinoma (ACC) is a rare malignancy that can occur in multiple organ sites and is primarily found in the salivary gland. While the identification of recurrent fusions of the MYB-NFIB genes have begun to shed light on the molecular underpinnings, little else is known about the molecular genetics of this frequently fatal cancer. We have undertaken exome sequencing in a series of 24 ACC to further delineate the genetics of the disease. We identified multiple mutated genes that, combined, implicate chromatin deregulation in half of cases. Further, mutations were identified in known cancer genes, including PIK3CA, ATM, CDKN2A, SF3B1, SUFU, TSC1, and CYLD. Mutations in NOTCH1/2 were identified in 3 cases, and we identify the negative NOTCH signaling regulator, SPEN, as a new cancer gene in ACC with mutations in 5 cases. Finally, the identification of 3 likely activating mutations in the tyrosine kinase receptor FGFR2, analogous to those reported in ovarian and endometrial carcinoma, point to potential therapeutic avenues for a subset of cases.

Original languageEnglish (US)
Pages (from-to)2965-2968
Number of pages4
JournalJournal of Clinical Investigation
Volume123
Issue number7
DOIs
StatePublished - Jul 1 2013

ASJC Scopus subject areas

  • General Medicine

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