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Int. J. Mol. Sci. 2013, 14(10), 20112-20130; doi:10.3390/ijms141020112
Review

Role of Hepatic Progenitor Cells in Nonalcoholic Fatty Liver Disease Development: Cellular Cross-Talks and Molecular Networks

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Received: 6 August 2013; in revised form: 18 September 2013 / Accepted: 18 September 2013 / Published: 9 October 2013
(This article belongs to the Special Issue Non-Alcoholic Fatty Liver Disease Research)
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Abstract: Nonalcoholic fatty liver disease (NAFLD) includes a spectrum of diseases ranging from simple fatty liver to nonalcoholic steatohepatitis, (NASH) which may progress to cirrhosis and hepatocellular carcinoma. NASH has been independently correlated with atherosclerosis progression and cardiovascular risk. NASH development is characterized by intricate interactions between resident and recruited cells that enable liver damage progression. The increasing general agreement is that the cross-talk between hepatocytes, hepatic stellate cells (HSCs) and macrophages in NAFLD has a main role in the derangement of lipid homeostasis, insulin resistance, danger recognition, immune tolerance response and fibrogenesis. Moreover, several evidences have suggested that hepatic stem/progenitor cell (HPCs) activation is a component of the adaptive response of the liver to oxidative stress in NAFLD. HPC activation determines the appearance of a ductular reaction. In NASH, ductular reaction is independently correlated with progressive portal fibrosis raising the possibility of a periportal fibrogenetic pathway for fibrogenesis that is parallel to the deposition of subsinusoidal collagen in zone 3 by HSCs. Recent evidences indicated that adipokines, a class of circulating factors, have a key role in the cross-talk among HSCs, HPCs and liver macrophages. This review will be focused on cellular cross-talk and the relative molecular networks which are at the base of NASH progression and fibrosis.
Keywords: nonalcoholic fatty liver disease; hepatic progenitor cell; hepatic stellate cells; macrophages; kupffer cells; fibrogenesis nonalcoholic fatty liver disease; hepatic progenitor cell; hepatic stellate cells; macrophages; kupffer cells; fibrogenesis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Carpino, G.; Renzi, A.; Onori, P.; Gaudio, E. Role of Hepatic Progenitor Cells in Nonalcoholic Fatty Liver Disease Development: Cellular Cross-Talks and Molecular Networks. Int. J. Mol. Sci. 2013, 14, 20112-20130.

AMA Style

Carpino G, Renzi A, Onori P, Gaudio E. Role of Hepatic Progenitor Cells in Nonalcoholic Fatty Liver Disease Development: Cellular Cross-Talks and Molecular Networks. International Journal of Molecular Sciences. 2013; 14(10):20112-20130.

Chicago/Turabian Style

Carpino, Guido; Renzi, Anastasia; Onori, Paolo; Gaudio, Eugenio. 2013. "Role of Hepatic Progenitor Cells in Nonalcoholic Fatty Liver Disease Development: Cellular Cross-Talks and Molecular Networks." Int. J. Mol. Sci. 14, no. 10: 20112-20130.


Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert