Hepatitis E virus infection upregulates ING5 expression in vitro and in vivo: HEV promotes ING5 expression

Hepatitis E virus (HEV) is the major pathogen of viral hepatitis. Immunocompromised individuals infected by HEV are prone to chronic hepatitis and increase the risk of hepato-cellular carcinoma (HCC). Inhibitor of growth family member 5 (ING5) is a tumor suppressor that is expressed at low levels in...

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Published in:Acta biochimica et biophysica Sinica 2024-06, Vol.56 (9), p.1365-1372
Main Authors: Zhao, Wanqiu, Xia, Yueping, Li, Tengyuan, Liu, Huichan, Zhong, Guo, Chen, Dongxue, Yu, Wenhai, Li, Yunlong, Huang, Fen
Format: Article
Language:English
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Summary:Hepatitis E virus (HEV) is the major pathogen of viral hepatitis. Immunocompromised individuals infected by HEV are prone to chronic hepatitis and increase the risk of hepato-cellular carcinoma (HCC). Inhibitor of growth family member 5 (ING5) is a tumor suppressor that is expressed at low levels in cancer tumors or cells. However, the underlying relationship between ING5 and HEV infection is unclear. In the present study, acute and chronic HEV animal models are used to explore the interaction between ING5 and HEV. Notably, the expression of ING5 is significantly increased in both the livers of acute HEV-infected BALB/c mice and chronic HEV-infected rhesus macaques. In addition, the relationship between HEV infection and ING5 expression is further identified in human hepatoma (HepG-2) cells. In conclusion, HEV infection strongly upregulates ING5 expression both in vivo and in vitro , which has significant implications for further understanding the pathogenic mechanism of HEV infection.
ISSN:1672-9145
1745-7270
DOI:10.3724/abbs.2024091