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Characterization of Kras-Mediated Pancreatic Tumorigenesis in Zebrafish

  • Jon M. Davison
  • , Seung Woo Park
  • , Jerry M. Rhee
  • , Steven D. Leach

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Activating Kras mutations are a pervasive and characteristic feature of human pancreatic cancer. In order to examine the earliest in vivo effects of oncogenic Kras expression in the exocrine pancreas, we generated two lines of zebrafish expressing eGFP alone or eGFP fused to human Kras with an activating mutation in codon 12 (KrasG12V) driven by ptf1a regulatory elements using a BAC recombineering strategy (Park et al., 2008). In this review, we describe the techniques that we used to observe the effects of eGFP-KrasG12V expression in pancreatic progenitor cells of the zebrafish embryo, as well as techniques used to characterize malignant pancreatic tumors in the adult zebrafish. This zebrafish model of pancreatic neoplasia provides a unique view of the effects of oncogenic Kras in the embryonic pancreas and suggests that the zebrafish will be a useful model organism in which to study the biology of Kras-initiated pancreatic neoplasia.

Original languageEnglish (US)
Title of host publicationSmall GTPases in Disease, Part A
EditorsWilliam Balch, Alan Hall, Channing Der
Pages391-417
Number of pages27
DOIs
StatePublished - Sep 24 2008

Publication series

NameMethods in Enzymology
Volume438
ISSN (Print)0076-6879

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology

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