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    Whole genomes redefine the mutational landscape of pancreatic cancer

    Access Status
    Fulltext not available
    Authors
    Waddell, N.
    Pajic, M.
    Patch, A.
    Chang, D.
    Kassahn, K.
    Bailey, P.
    Johns, A.
    Miller, D.
    Nones, K.
    Quek, K.
    Quinn, M.
    Robertson, A.
    Fadlullah, M.
    Bruxner, T.
    Christ, A.
    Harliwong, I.
    Idrisoglu, S.
    Manning, S.
    Nourse, C.
    Nourbakhsh, E.
    Wani, S.
    Wilson, P.
    Markham, E.
    Cloonan, N.
    Anderson, M.
    Fink, J.
    Holmes, O.
    Kazakoff, S.
    Leonard, C.
    Newell, F.
    Poudel, B.
    Song, S.
    Taylor, D.
    Waddell, N.
    Wood, S.
    Xu, Q.
    Wu, J.
    Pinese, M.
    Cowley, M.
    Lee, H.
    Jones, M.
    Nagrial, A.
    Humphris, J.
    Chantrill, L.
    Chin, V.
    Steinmann, A.
    Mawson, A.
    Humphrey, E.
    Colvin, E.
    Chou, A.
    Scarlett, C.
    Pinho, A.
    Giry-Laterriere, M.
    Rooman, I.
    Samra, J.
    Kench, J.
    Pettitt, J.
    Merrett, N.
    Toon, C.
    Epari, K.
    Nguyen, N.
    Barbour, A.
    Zeps, Nikolajs
    Jamieson, N.
    Graham, J.
    Niclou, S.
    Bjerkvig, R.
    Grützmann, R.
    Aust, D.
    Hruban, R.
    Maitra, A.
    Iacobuzio-Donahue, C.
    Wolfgang, C.
    Morgan, R.
    Lawlor, R.
    Corbo, V.
    Bassi, C.
    Falconi, M.
    Zamboni, G.
    Tortora, G.
    Tempero, M.
    Gill, A.
    Eshleman, J.
    Pilarsky, C.
    Scarpa, A.
    Musgrove, E.
    Pearson, J.
    Biankin, A.
    Grimmond, S.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Waddell, N. and Pajic, M. and Patch, A. and Chang, D. and Kassahn, K. and Bailey, P. and Johns, A. et al. 2015. Whole genomes redefine the mutational landscape of pancreatic cancer. Nature. 518 (7540): pp. 495-501.
    Source Title
    Nature
    DOI
    10.1038/nature14169
    ISSN
    0028-0836
    URI
    http://hdl.handle.net/20.500.11937/47532
    Collection
    • Curtin Research Publications
    Abstract

    Pancreatic cancer remains one of the most lethal of malignancies and a major health burden. We performed whole-genome sequencing and copy number variation (CNV) analysis of 100 pancreatic ductal adenocarcinomas (PDACs). Chromosomal rearrangements leading to gene disruption were prevalent, affecting genes known to be important in pancreatic cancer (TP53, SMAD4, CDKN2A, ARID1A and ROBO2) and new candidate drivers of pancreatic carcinogenesis (KDM6A and PREX2). Patterns of structural variation (variation in chromosomal structure) classified PDACs into 4 subtypes with potential clinical utility: the subtypes were termed stable, locally rearranged, scattered and unstable. A significant proportion harboured focal amplifications, many of which contained druggable oncogenes (ERBB2, MET, FGFR1, CDK6, PIK3R3 and PIK3CA), but at low individual patient prevalence. Genomic instability co-segregated with inactivation of DNA maintenance genes (BRCA1, BRCA2 or PALB2) and a mutational signature of DNA damage repair deficiency. Of 8 patients who received platinum therapy, 4 of 5 individuals with these measures of defective DNA maintenance responded.

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