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A fibrous stromal component in hepatocellular carcinoma reveals a cholangiocarcinoma-like gene expression trait and epithelial-mesenchymal transition.

Authors
 Jae Yeon Seok  ;  Deuk Chae Na  ;  Hyun Goo Woo  ;  Massimo Roncalli  ;  So Mee Kwon  ;  Jeong Eun Yoo  ;  Ei Yong Ahn  ;  Gwang Il Kim  ;  Jin-Sub Choi  ;  Young Bae Kim  ;  Young Nyun Park 
Citation
 Hepatology, Vol.55(6) : 1776-1786, 2012 
Journal Title
 Hepatology 
ISSN
 0270-9139 
Issue Date
2012
Abstract
Hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC) are the major primary liver cancers in adults. The phenotypic overlap between HCC and CC has been shown to comprise a continuous liver cancer spectrum. As a proof of this concept, a recent study demonstrated a genomic subtype of HCC that expressed CC-like gene expression traits, such as CC-like HCC, which revealed the common genomic trait of stem-cell-like properties and aggressive clinical outcomes. Scirrhous HCC (S-HCC), a rare variant of HCC, is characterized by abundant fibrous stroma and has been known to express several liver stem/progenitor cell markers. This suggests that S-HCC may harbor common intermediate traits between HCC and CC, including stem-cell traits, which are similar to those of CC-like HCC. However, the molecular and pathological characteristics of S-HCC have not been fully evaluated. By performing gene-expression profiling and immunohistochemical evaluation, we compared the morphological and molecular features of S-HCC with those of CC and HCC. S-HCC expresses both CC-like and stem-cell-like genomic traits. In addition, we observed the expression of core epithelial-mesenchymal transition (EMT)-related genes, which may contribute to the aggressive behavior of S-HCC. Overexpression of transforming growth factor beta (TGF-β) signaling was also found, implying its regulatory role in the pathobiology of S-HCC. Conclusion: We suggest that the fibrous stromal component in HCC may contribute to the acquisition of CC-like gene-expression traits in HCC. The expression of stem-cell-like traits and TGF-β/EMT molecules may play a pivotal role in the aggressive phenotyping of S-HCC. (HEPATOLOGY 2012;55:1776-1786).
Full Text
http://onlinelibrary.wiley.com/doi/10.1002/hep.25570/abstract
DOI
10.1002/hep.25570
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Medical Research Center (임상의학연구센터) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
Yonsei Authors
Kim, Gwang Il(김광일)
Na, Deuk Chae(나득채)
Park, Young Nyun(박영년) ORCID logo https://orcid.org/0000-0003-0357-7967
Seok, Jae Yeon(석재연)
Ahn, Ei Yong(안의용)
Yoo, Jeong Eun(유정은) ORCID logo https://orcid.org/0000-0001-9990-279X
Choi, Jin Sub(최진섭)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/90360
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