Inhibition of hepatitis E virus replication by proteasome inhibitor is nonspecific

Inhibition of hepatitis E virus replication by proteasome inhibitor is nonspecific The ubiquitin proteasome system plays important role in virus infection. A previous study showed that the proteasome inhibitor MG132 could potentially affect hepatitis E virus (HEV) replication. In this study, we found that MG132 could inhibit HEV and hepatitis C virus (HCV) replication-related luciferase activity in subgenomic models. Furthermore, treatment with MG132 in a HEV infectious model resulted in a dramatic reduction in the intracellular level of HEV RNA. Surprisingly, MG132 concurrently inhibited the expression of a luciferase gene used as a control as well as a wide range of host genes. Consistently, the total cellular RNA and protein content was concurrently reduced by MG132 treatment, suggesting a nonspecific antiviral effect. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Inhibition of hepatitis E virus replication by proteasome inhibitor is nonspecific

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Publisher
Springer Vienna
Copyright
Copyright © 2015 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-014-2303-0
Publisher site
See Article on Publisher Site

Abstract

The ubiquitin proteasome system plays important role in virus infection. A previous study showed that the proteasome inhibitor MG132 could potentially affect hepatitis E virus (HEV) replication. In this study, we found that MG132 could inhibit HEV and hepatitis C virus (HCV) replication-related luciferase activity in subgenomic models. Furthermore, treatment with MG132 in a HEV infectious model resulted in a dramatic reduction in the intracellular level of HEV RNA. Surprisingly, MG132 concurrently inhibited the expression of a luciferase gene used as a control as well as a wide range of host genes. Consistently, the total cellular RNA and protein content was concurrently reduced by MG132 treatment, suggesting a nonspecific antiviral effect.

Journal

Archives of VirologySpringer Journals

Published: Feb 1, 2015

References

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