Chronic bile duct injury associated with fibrotic matrix microenvironment provokes cholangiocarcinoma in p53-deficient mice

Paraskevi A. Farazi, Michael Zeisberg, Jonathan Glickman, Yan Zhang, Raghu Kalluri, Ronald A. DePinho

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Intrahepatic cholangiocarcinoma (CCA) is a lethal malignancy of the biliary epithelium associated with p53 mutations, bile duct injury, inflammation, and fibrosis. Here, to validate these processes in CCA, we developed a liver cirrhosis model driven by chronic intermittent toxin exposure, which provokes bile duct injury/necrosis and proliferation, fibroblast recruitment, and progressive extracellular matrix (ECM) changes. Fibrotic changes in the matrix microenvironment, typified by increased type I and III collagens and fibroblast recruitment, were shown to stimulate biliary epithelium hyperplasia with subsequent progression to malignant intrahepatic CCA only in mice harboring a p53 mutant allele. These murine CCAs bear histologic and genetic features of human intrahepatic CCA, including dense peritumoral fibrosis, increased inducible nitric oxide synthase, nitrotyrosine, and cyclooxygenase-2 expression, c-Met activation, cErbB2 overexpression, down-regulation of membrane-associated E-cadherin, and p53 codon 248 mutation. Thus, p53 deficiency, chronic bile duct injury/proliferation, and the fibrotic matrix microenvironment cooperate to induce intrahepatic CCA, highlighting the key role of the ECM microenvironment in this common liver cancer.

Original languageEnglish (US)
Pages (from-to)6622-6627
Number of pages6
JournalCancer Research
Volume66
Issue number13
DOIs
StatePublished - Jul 1 2006

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Cholangiocarcinoma
Bile Ducts
Wounds and Injuries
Extracellular Matrix
Fibrosis
Epithelium
Fibroblasts
Mutation
Collagen Type III
Medical Genetics
Nitric Oxide Synthase Type II
Cadherins
Cyclooxygenase 2
Liver Neoplasms
Collagen Type I
Codon
Liver Cirrhosis
Hyperplasia
Necrosis
Down-Regulation

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Chronic bile duct injury associated with fibrotic matrix microenvironment provokes cholangiocarcinoma in p53-deficient mice. / Farazi, Paraskevi A.; Zeisberg, Michael; Glickman, Jonathan; Zhang, Yan; Kalluri, Raghu; DePinho, Ronald A.

In: Cancer Research, Vol. 66, No. 13, 01.07.2006, p. 6622-6627.

Research output: Contribution to journalArticle

Farazi, Paraskevi A. ; Zeisberg, Michael ; Glickman, Jonathan ; Zhang, Yan ; Kalluri, Raghu ; DePinho, Ronald A. / Chronic bile duct injury associated with fibrotic matrix microenvironment provokes cholangiocarcinoma in p53-deficient mice. In: Cancer Research. 2006 ; Vol. 66, No. 13. pp. 6622-6627.
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AU - DePinho, Ronald A.

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