作者
Tao Han, Yushun Wan, Jun Wang, Peng Zhao, Yue Yuan, Li Wang, Yinglong She, Ruth Broering, Mengji Lu, Linbai Ye, Ying Zhu
发表日期
2015/3/15
期刊
The Journal of Immunology
卷号
194
期号
6
页码范围
2757-2768
出版商
American Association of Immunologists
简介
Hepatitis C virus (HCV) infection is a major cause of chronic liver disease, usually resulting in persistent infection involving hepatic steatosis, cirrhosis, and hepatocellular carcinoma via escape of the host’s immune response. Set7 is a lysine-specific methyltransferase that is involved in gene regulation and virus replication. However, the mechanism underlying the immune evasion between HCV and Set7 is not well understood. In this study, we observed that the expression of Set7 in Huh7. 5.1 cells was upregulated by HCV infection, and high levels of Set7 expression were also found in the sera, PBMCs, and liver tissue of HCV patients relative to healthy individuals. Further investigation showed that Set7 enhanced HCV replication in an enzymatic activity–dependent manner. Moreover, our data showed that Set7 decreased the expression of virus-induced IFN and IFN-related effectors, such as dsRNA-activated …
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T Han, Y Wan, J Wang, P Zhao, Y Yuan, L Wang, Y She… - The Journal of Immunology, 2015