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Deep Sequencing of Cancer-Related Genes Revealed GNAS Mutations to Be Associated with Intraductal Papillary Mucinous Neoplasms and Its Main Pancreatic Duct Dilation

Author

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  • Shinichi Takano
  • Mitsuharu Fukasawa
  • Shinya Maekawa
  • Makoto Kadokura
  • Mika Miura
  • Hiroko Shindo
  • Ei Takahashi
  • Tadashi Sato
  • Nobuyuki Enomoto

Abstract

Background: To clarify the genetic mutations associated with intraductal papillary mucinous neoplasms (IPMN) and IPMN-related pancreatic tumours, we conducted cancer-related gene profiling analyses using pure pancreatic juice and resected pancreatic tissues. Methods: Pure pancreatic juice was collected from 152 patients [nine with a normal pancreas, 22 with chronic pancreatitis (CP), 39 with pancreatic ductal adenocarcinoma (PDAC), and 82 with IPMN], and resected tissues from the pancreas were collected from 48 patients (six IPMNs and 42 PDACs). The extracted DNA was amplified by multiplexed polymerase chain reaction (PCR) targeting 46 cancer-related genes containing 739 mutational hotspots. The mutations were analysed using a semiconductor-based DNA sequencer. Results: Among the 46 cancer-related genes, KRAS and GNAS mutations were most frequently detected in both PDAC and IPMN cases. In pure pancreatic juice, GNAS mutations were detected in 7.7% of PDAC cases and 41.5% of IPMN cases (p

Suggested Citation

  • Shinichi Takano & Mitsuharu Fukasawa & Shinya Maekawa & Makoto Kadokura & Mika Miura & Hiroko Shindo & Ei Takahashi & Tadashi Sato & Nobuyuki Enomoto, 2014. "Deep Sequencing of Cancer-Related Genes Revealed GNAS Mutations to Be Associated with Intraductal Papillary Mucinous Neoplasms and Its Main Pancreatic Duct Dilation," PLOS ONE, Public Library of Science, vol. 9(6), pages 1-13, June.
    • Handle: RePEc:plo:pone00:0098718
    DOI: 10.1371/journal.pone.0098718
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