Improving Retroviral Vector Production with Histone Deacetylase Inhibitors
Author Information
Author(s): Jaalouk Diana E, Crosato Milena, Brodt Pnina, Galipeau Jacques
Primary Institution: McGill University
Hypothesis
The mechanism of transcriptional suppression in self-inactivating retroviral vectors involves the recruitment of histone deacetylases (HDACs).
Conclusion
Histone deacetylation is implicated in the mechanism of transcriptional suppression in self-inactivating retroviral vectors, and treatment with HDAC inhibitors can enhance vector production.
Supporting Evidence
- Treatment with sodium butyrate resulted in a 106.3 ± 4.6-fold increase in titer.
- Histone acetylation increased in treated producer cells.
- The SINCMV retroviral producer had uniformly very low titers (~10,000 infectious retroparticles per ml).
Takeaway
Researchers found that using certain drugs can help make more of a special type of virus used in gene therapy, which can help treat diseases.
Methodology
The study involved designing a self-inactivating retroviral vector and testing the effects of histone deacetylase inhibitors on viral titer in packaging cells.
Limitations
The study primarily focused on a specific cell line and may not be generalizable to all retroviral vector systems.
Statistical Information
P-Value
P = 0.002
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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