Vesicular Stomatitis Virus Infection and Immune Evasion
Author Information
Author(s): Helle Jensen, Lars Andresen, Jens Nielsen, Jan Pravsgaard Christensen, Søren Skov
Primary Institution: University of Copenhagen
Hypothesis
Can VSV infection increase immune recognition of cancer cells through induction of NKG2D-ligands?
Conclusion
VSV infection leads to increased MICA mRNA expression but prevents its surface expression, indicating a novel immune evasion mechanism.
Supporting Evidence
- VSV infection leads to robust induction of MICA mRNA expression.
- Surface expression of MICA is significantly hindered after VSV infection.
- VSV infection down modulates NKG2D-ligand expression in both Jurkat T-cells and melanoma cells.
Takeaway
When a virus called VSV infects cancer cells, it makes a signal that should help the immune system recognize them, but it also hides that signal so the immune system can't see it.
Methodology
The study used Jurkat T cells and melanoma cell lines to analyze NKG2D-ligand expression after VSV infection and treatment with HDAC inhibitors.
Limitations
The exact molecular mechanism of VSV's inhibition of NKG2D-ligand surface expression remains unidentified.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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