Effect of DNA Repair Protein Rad18 on Viral Infection
Author Information
Author(s): Lloyd Aliza G, Tateishi Satoshi, Bieniasz Paul D, Muesing Mark A, Yamaizumi Masaru, Mulder Lubbertus C. F
Primary Institution: The Aaron Diamond AIDS Research Center, The Rockefeller University
Hypothesis
Does the DNA repair protein Rad18 influence the susceptibility of cells to viral infection?
Conclusion
Rad18 suppresses viral infection in a non-specific manner, affecting both retroviruses and adenoviruses.
Supporting Evidence
- Rad18−/− cells were approximately 5-fold more sensitive to HIV-1 infection than Rad18+/+ controls.
- The increase in infection of Rad18−/− cells was independent of integrase activity.
- Rad18−/− cells showed a higher accumulation of viral cDNA compared to Rad18+/+ cells.
Takeaway
Rad18 is like a security guard that stops viruses from getting into cells, but when it's not there, the viruses can get in more easily.
Methodology
The study involved infecting Rad18 knockout and wild-type cells with various viruses and measuring their susceptibility through flow cytometry.
Limitations
The study did not explore the long-term effects of Rad18 absence on viral infection.
Statistical Information
P-Value
0.007
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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