TLRs, Alcohol, HCV, and Tumorigenesis

Chronic liver damage caused by viral infection, alcohol, or obesity can result in increased risk for hepatocellular carcinoma (HCC). Ample epidemiological evidence suggests that there is a strong synergism between hepatitis C virus (HCV) and alcoholic liver diseases (ALD). The Toll-like receptor (TL...

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Main Author: Keigo Machida
Format: Article
Language:English
Published: Wiley 2010-01-01
Series:Gastroenterology Research and Practice
Online Access:http://dx.doi.org/10.1155/2010/518674
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author Keigo Machida
author_facet Keigo Machida
author_sort Keigo Machida
collection DOAJ
description Chronic liver damage caused by viral infection, alcohol, or obesity can result in increased risk for hepatocellular carcinoma (HCC). Ample epidemiological evidence suggests that there is a strong synergism between hepatitis C virus (HCV) and alcoholic liver diseases (ALD). The Toll-like receptor (TLR) signaling pathway is upregulated in chronic liver diseases. Alcoholism is associated with endotoxemia that stimulates expression of proinflammatory cytokine expression and inflammation in the liver and fat tissues. Recent studies of HCC have centered on cancer-initiating stem cell (CSC), including detection of CSC in cancer, identification of CSC markers, and isolation of CSC from human HCC cell lines. Synergism between alcohol and HCV may lead to liver tumorigenesis through TLR signaling.
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institution Kabale University
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series Gastroenterology Research and Practice
spelling doaj-art-8d83b2b0068040fc973325e211a866742025-02-03T06:07:09ZengWileyGastroenterology Research and Practice1687-61211687-630X2010-01-01201010.1155/2010/518674518674TLRs, Alcohol, HCV, and TumorigenesisKeigo Machida0Department of Molecular Microbiology and Immunology, 503B-HMR, University of Southern California Keck School of Medicine, Los Angeles, CA 90033, USAChronic liver damage caused by viral infection, alcohol, or obesity can result in increased risk for hepatocellular carcinoma (HCC). Ample epidemiological evidence suggests that there is a strong synergism between hepatitis C virus (HCV) and alcoholic liver diseases (ALD). The Toll-like receptor (TLR) signaling pathway is upregulated in chronic liver diseases. Alcoholism is associated with endotoxemia that stimulates expression of proinflammatory cytokine expression and inflammation in the liver and fat tissues. Recent studies of HCC have centered on cancer-initiating stem cell (CSC), including detection of CSC in cancer, identification of CSC markers, and isolation of CSC from human HCC cell lines. Synergism between alcohol and HCV may lead to liver tumorigenesis through TLR signaling.http://dx.doi.org/10.1155/2010/518674
spellingShingle Keigo Machida
TLRs, Alcohol, HCV, and Tumorigenesis
Gastroenterology Research and Practice
title TLRs, Alcohol, HCV, and Tumorigenesis
title_full TLRs, Alcohol, HCV, and Tumorigenesis
title_fullStr TLRs, Alcohol, HCV, and Tumorigenesis
title_full_unstemmed TLRs, Alcohol, HCV, and Tumorigenesis
title_short TLRs, Alcohol, HCV, and Tumorigenesis
title_sort tlrs alcohol hcv and tumorigenesis
url http://dx.doi.org/10.1155/2010/518674
work_keys_str_mv AT keigomachida tlrsalcoholhcvandtumorigenesis