Selective translational repression of HIV-1 RNA by Sam68DeltaC occurs by altering PABP1 binding to unspliced viral RNA
2008
How Sam68ΔC Affects HIV-1 RNA Translation
publication
Evidence: moderate
Author Information
Author(s): Kim Marsh, Vanessa Soros, Alan Cochrane
Primary Institution: University of Toronto
Hypothesis
Sam68ΔC selectively inhibits the translation of HIV-1 RNAs exported by the Crm1 pathway.
Conclusion
Sam68ΔC inhibits HIV-1 expression by reducing the binding of PABP1 to unspliced viral RNAs.
Supporting Evidence
- Sam68ΔC specifically inhibits the translation of HIV-1 RNAs exported by the Crm1 pathway.
- Inhibition by Sam68ΔC is not due to changes in RNA abundance or polyadenylation.
- Sam68ΔC reduces the association of PABP1 with unspliced HIV-1 RNAs.
Takeaway
Sam68ΔC is like a gatekeeper that stops certain HIV-1 messages from being read by the cell, which helps control the virus.
Methodology
The study involved transfecting cells with various constructs and analyzing the effects of Sam68ΔC on HIV-1 RNA translation and PABP1 binding.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website