Whole genomes redefine the mutational landscape of pancreatic cancer

Giampaolo Tortora, Nicola Waddell, Marina Pajic, Ann-Marie Patch, David K. Chang, Karin S. Kassahn, Peter Bailey, Amber L. Johns, David Miller, Katia Nones, Kelly Quek, Michael C. J. Quinn, Alan J. Robertson, Muhammad Z. H. Fadlullah, Tim J. C. Bruxner, Angelika N. Christ, Ivon Harliwong, Senel Idrisoglu, Suzanne Manning, Craig NourseEhsan Nourbakhsh, Shivangi Wani, Peter J. Wilson, Emma Markham, Nicole Cloonan, Matthew J. Anderson, J. Lynn Fink, Oliver Holmes, Stephen H. Kazakoff, Conrad Leonard, Felicity Newell, Barsha Poudel, Sarah Song, Darrin Taylor, Nick Waddell, Scott Wood, Qinying Xu, Jianmin Wu, Mark Pinese, Mark J. Cowley, Hong C. Lee, Marc D. Jones, Adnan M. Nagrial, Jeremy Humphris, Lorraine A. Chantrill, Venessa Chin, Angela M. Steinmann, Amanda Mawson, Emily S. Humphrey, Emily K. Colvin, Angela Chou, Christopher J. Scarlett, Andreia V. Pinho, Marc Giry-Laterriere, Ilse Rooman, Jaswinder S. Samra, James G. Kench, Jessica A. Pettitt, Neil D. Merrett, Christopher Toon, Krishna Epari, Nam Q. Nguyen, Andrew Barbour, Nikolajs Zeps, Nigel B. Jamieson, Janet S. Graham, Simone P. Niclou, Rolf Bjerkvig, Robert Grützmann, Daniela Aust, Ralph H. Hruban, Anirban Maitra, Christine A. Iacobuzio-Donahue, Christopher L. Wolfgang, Richard A. Morgan, Rita T. Lawlor, Vincenzo Corbo, Claudio Bassi, Massimo Falconi, Margaret A. Tempero, Anthony J. Gill, James R. Eshleman, Christian Pilarsky, Aldo Scarpa, Elizabeth A. Musgrove, John V. Pearson, Andrew V. Biankin, Sean M. Grimmond

Risultato della ricerca: Contributo in rivistaArticolo in rivista

1284 Citazioni (Scopus)

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.
Lingua originaleEnglish
pagine (da-a)495-501
Numero di pagine7
RivistaNature
Volume518
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • Adenocarcinoma
  • Animals
  • Carcinoma, Pancreatic Ductal
  • DNA Mutational Analysis
  • DNA Repair
  • Female
  • Genes, BRCA1
  • Genes, BRCA2
  • Genetic Markers
  • Genome, Human
  • Genomic Instability
  • Genomics
  • Genotype
  • Humans
  • Mice
  • Mutation
  • Pancreatic Neoplasms
  • Platinum
  • Point Mutation
  • Poly(ADP-ribose) Polymerase Inhibitors
  • Xenograft Model Antitumor Assays

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