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A genetic roadmap of pancreatic cancer: still evolving
  1. Faiyaz Notta1,2,
  2. Stephan A Hahn3,
  3. Francisco X Real4,5,6
  1. 1Princess Margaret Cancer Centre, University Health Network, Toronto, Canada
  2. 2Department of Medical Biophysics, University of Toronto, Toronto, Canada
  3. 3Department of Molecular Gastrointestinal Oncology, Ruhr-University Bochum, Bochum, Germany
  4. 4Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
  5. 5Departament de Ciències Experimentals i de la Salut, Universitat Pompeu Fabra, Barcelona, Spain
  6. 6CIBERONC, Madrid, Spain
  1. Correspondence to Dr Faiyaz Notta, Department of Medical Biophysics, University of Toronto, 27 King’s College Cir, Toronto, ON M5S, Canada; faiyaz.notta{at}gmail.com, Professor Stephan A Hahn, Department of Molecular Gastrointestinal Oncology, Ruhr-University Bochum, Bochum 44801, Germany; stephan.hahn{at}rub.de and Dr Francisco X Real, Epithelial Carcinogenesis Group, Spanish National Cancer Research Centre (CNIO), Madrid 28029, Spain; freal{at}cnio.es

Abstract

A diagnosis of pancreatic ductal adenocarcinoma (PDA) is often fatal. PDA is widely recognised as one of the ‘incurable cancers’ because therapies against this tumour type are generally ineffective. The fatal nature of this tumour is due to its aggressive clinical course. Pancreatic cancer commonly presents at the metastatic stage; even in cases where tumours are localised to the pancreas at diagnosis, metastatic seeds have often been invariably been spawned off, frustrating surgical attempts to cure the cancer. The key principles of pancreatic cancer mutational development were outlined nearly two decades ago using the genetics of precursor lesions to position the various stages of tumour progression. Since then, there has been a cavalcade of new data. How these recent studies impact the classical perceptions of pancreatic cancer development is a work in progress. Given that significant improvements in patient outcomes are not in sight for this disease, it is likely that broadening the current perspectives and acquiring deeper biological insights into the morphogenetic route of tumour development will be needed to foster new strategies for more effective cancer control.

  • pancreatic cancer
  • cancer genetics
  • genetic instability

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Footnotes

  • Contributors FN, SAH and FXR wrote the paper together, reviewed all its contents and share responsibility for authors' views. All three authors share correspondence.

  • Funding FN is supported by grants from the Princess Margaret Cancer Foundation, Pancreatic Cancer Translational Research Initiative at the Ontario Institute for Cancer Research (OICR) through support from the Ontario Ministry of Research and Innovation, and an Investigator Award from the OICR. Work in the laboratory of FXR is supported by grants from Ministerio de Economía y Competitividad (SAF2015-70553R) and Asociación Española Contra el Cáncer.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; externally peer reviewed.

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