Molecular pathways: hepatitis C virus, CXCL10, and the inflammatory road to liver cancer
Open accessAbstract
An estimated 170 million people worldwide are chronically infected with the hepatitis C virus (HCV), which is characterized histologically by a persistent immune and inflammatory response that fails to clear HCV from hepatocytes. This response is recruited to the liver, in part, by the chemokine CXCL10, the serum and intrahepatic levels of which have been inversely linked to the outcome of interferon-based therapies for hepatitis C. Bystander tissue damage from this ineffective response is thought to lead to increased hepatocyte turnover and the development of fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). However, CXCL10 is traditionally viewed as an orchestrator of the angiostatic and antitumor immune response. In this review, we will explore this duality and the pathways by which CXCL10 is produced by hepatocytes during HCV infection, its effects on resident and infiltrating immune cells, and how deregulation of these cell populations within the liver may lead to chronic liver inflammation. We will also discuss potential host-directed therapies to slow or reverse HCV-induced inflammation that leads to fibrosis, cirrhosis, and HCCs.
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CXCL10 and IL-33 might contribute to the amplification of inflammatory responses by acting on T-cells and innate immune cells.
“By acting on T-cells and innate immune cells (Miller, 2011; Brownell and Polyak, 2013), CXCL10 and IL-33 might contribute to the amplification of inflammatory responses.”
From Model Based Targeting of IL-6-Induced Inflammatory Responses in Cultured Primary Hepatocytes to Improve Application of the JAK Inhibitor Ruxolitinib (2017) · cites this paper as Brownell and Polyak, 2013
In the context of hepatitis C virus infection, CXCL10 contributes to persistent liver inflammation and fibrosis.
“In the context of hepatitis C virus infection, CXCL10 was suggested to contribute to persistent liver inflammation and fibrosis”
From Model Based Targeting of IL-6-Induced Inflammatory Responses in Cultured Primary Hepatocytes to Improve Application of the JAK Inhibitor Ruxolitinib (2017) · cites this paper as Brownell and Polyak, 2013
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Cited by
Sorted by citations
Ibrahim, S. H., Hirsova, P., Tomita, K., Bronk, S. F., Werneburg, N. W., Harrison, S. A., Goodfellow, V. S., Malhi, H., & Gores, G. J. (2016) · Hepatology · doi:10.1002/hep.28252 · Cited by 232 · see citing works
Sobotta, S., Raue, A., Huang, X., Vanlier, J., Jünger, A., Bohl, S., Albrecht, U., Hahnel, M. J., Wolf, S., Mueller, N. S., et al. (2017) · Frontiers in Physiology · doi:10.3389/fphys.2017.00775 · Cited by 28 · see citing works
“In the context of hepatitis C virus infection, CXCL10 was suggested to contribute to persistent liver inflammation and fibrosis (Zeremski et al., 2008, 2009; Brownell and Polyak, 2013).”
Background
- Authors
- Brownell, J., & Polyak, S. J.
- Affiliations
- University of Washington (US)
- Corresponding author
- Polyak, Stephen J.
- ORCID
- Polyak, Stephen J.
- Venue
- Clinical Cancer Research
- Published
- 2013-03-14
- Volume
- 19
- Issue
- 6
- Pages
- 1347-1352
- ISSN
- 1078-0432 (ISSN-L)
- 1557-3265
- PMC
- PMC3602344
- OpenAlex
- W2112473152
- Cited by
- 70
- References
- 0
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 2 · 2023: 5 · 2022: 5 · 2021: 5 · 2020: 6 · 2019: 3 · 2018: 4 · 2017: 6 · 2016: 7 · 2015: 8 · 2014: 12 · 2013: 4
- FWCI
- 1.32
- Type
- journal article
- Language
- en
- Open access
- green
- europepmc.org
- Locations
- Clinical Cancer Research (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of Allergy and Infectious Diseases (T32AI007509, U19AI066328)
- Topics
- Health Sciences › Medicine › Hepatology › Hepatitis C virus research
- Health Sciences › Medicine › Hepatology › Liver physiology and pathology
- Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
- Keywords
- hepatitis C virus, CXCL10, hepatocellular carcinoma, chronic liver inflammation, liver fibrosis, liver cirrhosis, chemokines, interferon therapy, hepatocyte turnover, angiogenesis, antitumor immunity, host-directed therapy, immune cell infiltration
- MeSH terms
- Fibrosis, Carcinoma, Hepatocellular, Humans, Inflammation, Interferons, Liver Cirrhosis, Liver Neoplasms, Hepacivirus, Hepatitis C, Chronic, Hepatocytes, Bystander Effect, Chemokine CXCL10
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