Targeted knockdown of ATM, ATR, and PDEδ increases Gag HIV-1 VLP production in HEK293 cells
2025

Boosting HIV-1 VLP Production in HEK293 Cells

Sample size: 12 publication 10 minutes Evidence: high

Author Information

Author(s): Díaz-Maneh Andy, Pérez-Rubio Pol, Granes Cristina Rigau, Bosch-Molist Laia, Lavado-García Jesús, Gòdia Francesc, Cervera Laura

Primary Institution: Universitat Autònoma de Barcelona

Hypothesis

Knockdown of specific proteins (ATM, ATR, and PDEδ) will enhance the production of HIV-1 virus-like particles (VLPs) in HEK293 cells.

Conclusion

The knockdown of ATM, ATR, and PDEδ significantly increased HIV-1 VLP production in HEK293 cells, with ATM knockdown yielding the highest increase.

Supporting Evidence

  • Knockdown of ATM increased VLP production by 3.4-fold.
  • ATR and PDEδ knockdowns also enhanced VLP production significantly.
  • Statistical analysis confirmed the significance of the results with p-values less than 0.0001.

Takeaway

Scientists found that turning off certain proteins in cells can help them make more virus-like particles, which are important for vaccines.

Methodology

HEK293 cells were transiently transfected with plasmids targeting ATM, ATR, and PDEδ, and VLP production was measured using fluorimetry and flow virometry.

Potential Biases

Potential bias in the selection of proteins for knockdown and the interpretation of their effects on VLP production.

Limitations

The study primarily focused on specific protein knockdowns and did not explore other potential metabolic bottlenecks.

Participant Demographics

HEK293 cell line used for experiments.

Statistical Information

P-Value

p<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1007/s00253-024-13389-8

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