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Genomic characterisation of Eμ-Myc mouse lymphomas identifies Bcor as a Myc co-operative tumour-suppressor gene

  • Marcus Lefebure
  • , Richard W. Tothill
  • , Elizabeth Kruse
  • , Edwin D. Hawkins
  • , Jake Shortt
  • , Geoffrey M. Matthews
  • , Gareth P. Gregory
  • , Benjamin P. Martin
  • , Madison J. Kelly
  • , Izabela Todorovski
  • , Maria A. Doyle
  • , Richard Lupat
  • , Jason Li
  • , Jan Schroeder
  • , Meaghan Wall
  • , Stuart Craig
  • , Gretchen Poortinga
  • , Don Cameron
  • , Megan Bywater
  • , Lev Kats
  • Micah D. Gearhart, Vivian J. Bardwell, Ross A. Dickins, Ross D. Hannan, Anthony T. Papenfuss, Ricky W. Johnstone
  • Peter Maccallum Cancer Centre
  • University of Melbourne
  • Walter and Eliza Hall Institute of Medical Research
  • Monash University
  • Dana-Farber Cancer Institute
  • St. Vincent's Hospital Melbourne
  • University of Minnesota Twin Cities
  • Australian National University

Research output: Contribution to journalArticlepeer-review

Abstract

The Eμ-Myc mouse is an extensively used model of MYC driven malignancy; however to date there has only been partial characterization of MYC co-operative mutations leading to spontaneous lymphomagenesis. Here we sequence spontaneously arising Eμ-Myc lymphomas to define transgene architecture, somatic mutations, and structural alterations. We identify frequent disruptive mutations in the PRC1-like component and BCL6-corepressor gene Bcor. Moreover, we find unexpected concomitant multigenic lesions involving Cdkn2a loss and other cancer genes including Nras, Kras and Bcor. These findings challenge the assumed two-hit model of Eμ-Myc lymphoma and demonstrate a functional in vivo role for Bcor in suppressing tumorigenesis.

Original languageEnglish
Article number14581
JournalNature Communications
Volume8
DOIs
Publication statusPublished - 6 Mar 2017
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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