Different Effects of Proteasome Inhibition on Vesicular Stomatitis Virus and Poliovirus Replication
Author Information
Author(s): Nickolay Neznanov, Eugenia M. Dragunsky, Konstantin M. Chumakov, Lubov Neznanova, Ronald C. Wek, Andrei V. Gudkov, Amiya K. Banerjee
Primary Institution: Cleveland Clinic Foundation
Hypothesis
How does proteasome inhibition affect the replication of vesicular stomatitis virus (VSV) and poliovirus?
Conclusion
Proteasome inhibitors significantly suppress VSV replication while only delaying poliovirus replication.
Supporting Evidence
- Proteasome inhibitors significantly suppressed VSV protein synthesis and virus accumulation.
- Poliovirus replication was delayed but not diminished in the presence of proteasome inhibitors.
- Inhibition of proteasome activity stimulated stress-related processes in cells.
Takeaway
This study found that blocking a part of the cell that helps break down proteins can stop one virus (VSV) from making more copies of itself, but it only slows down another virus (poliovirus).
Methodology
HeLa cells were treated with proteasome inhibitors and infected with VSV or poliovirus to analyze the effects on viral replication and protein synthesis.
Limitations
The study primarily focuses on HeLa cells, which may not fully represent other cell types.
Digital Object Identifier (DOI)
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