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Hoan NX, Van Tong H, Giang DP, Toan NL, Meyer CG, Bock CT, Kremsner PG, Song LH, Velavan TP. Interferon-stimulated gene 15 in hepatitis B-related liver diseases. Oncotarget 2018; 7:67777-67787. [PMID: 27626177 PMCID: PMC5356518 DOI: 10.18632/oncotarget.11955] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 09/05/2016] [Indexed: 02/07/2023] Open
Abstract
This study investigates the association of Interferon-stimulated gene 15 (ISG15) polymorphisms, ISG15 serum levels and expression with HBV-related liver diseases. The ISG15 promoter and the two exons of the gene were screened for polymorphisms in 766 HBV-infected patients and in 223 controls. Soluble ISG15 levels were measured by ELISA. ISG15 mRNA expression was quantified by qRT-PCR in 36 tumor and adjacent non-tumor tissues. The exon 2 allele rs1921A was found associated with decreased progression of HBV-related liver diseases (LC vs. CHB: OR = 0.6, 95%CI = 0.4-0.8, adjusted P = 0.003; HCC vs. CHB: OR = 0.6, 95%CI = 0.4-0.9, adjusted P = 0.005). The rs1921AA genotype was associated with low levels of AST, ALT and total bilirubin, but with high prothrombin levels (P < 0.05). ISG15 serum levels were higher among HBV patients compared to controls (P < 0.0001) and positively associated with HBV-related liver diseases, with highest levels among LC patients. ISG15 levels were correlated with HBV-DNA loads (P = 0.001). In non-tumor tissues from HCC patients, ISG15 mRNA expression was increased in HBV compared to non-HBV infection (P = 0.016). The ISG15 rs1921 variant and ISG15 expression are associated with HBV-related liver diseases. Taken together, ISG15 appears to be a proviral factor involved in HBV replication and triggering progression of HBV-related liver diseases.
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Affiliation(s)
- Nghiem Xuan Hoan
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.,108 Military Central Hospital, Hanoi, Vietnam.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam
| | - Hoang Van Tong
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam
| | - Dao Phuong Giang
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.,108 Military Central Hospital, Hanoi, Vietnam.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam
| | - Nguyen Linh Toan
- Vietnamese-German Center for Medical Research, Hanoi, Vietnam.,Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
| | - Christian G Meyer
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam
| | - C-Thomas Bock
- Department of Infectious Diseases, Robert Koch Institute, Berlin, Germany
| | - Peter G Kremsner
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam
| | - Le Huu Song
- 108 Military Central Hospital, Hanoi, Vietnam.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam
| | - Thirumalaisamy P Velavan
- Institute of Tropical Medicine, University of Tübingen, Tübingen, Germany.,Vietnamese-German Center for Medical Research, Hanoi, Vietnam.,Department of Pathophysiology, Vietnam Military Medical University, Hanoi, Vietnam
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