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Aberrant p16INK4A and DPC4/Smad4 expression in intraductal papillary mucinous tumours of the pancreas is associated with invasive ductal adenocarcinoma

Authors
  • A V Biankin
  • S A Biankin
  • J G Kench
  • A L Morey
  • C-S Lee
  • D R Head
  • R P Eckstein
  • T B Hugh
  • S M Henshall
  • R L Sutherland
Publisher
Copyright 2002 by Gut
Publication Date
Jun 01, 2002
Source
PMC
Keywords
Disciplines
  • Biology
  • Medicine
License
Unknown

Abstract

Background and aims: Intraductal papillary mucinous tumours (IPMT) of the pancreas constitute a unique pathological entity with an overall incidence of associated invasive malignancy of 20%. The malignant potential of an individual IPMT cannot be accurately predicted. Preoperative estimation of the risk of associated invasive malignancy with IPMT would be of significant clinical benefit. As aberrations in cell cycle regulatory genes are associated with the progression of precursor pancreatic ductal lesions to invasive adenocarcinoma, we examined expression of key cell cycle regulatory genes in the cyclin D1/retinoblastoma pathway and the transforming growth factor β/Smad4 signalling pathway in a cohort of patients with surgically resected IPMT.

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