Phosphoinositide-3 Kinase-Akt Pathway Controls Cellular Entry of Ebola Virus
2008

How Ebola Virus Enters Cells

publication 10 minutes Evidence: high

Author Information

Author(s): Saeed Mohammad F., Kolokoltsov Andrey A., Freiberg Alexander N., Holbrook Michael R., Davey Robert A.

Primary Institution: University of Texas Medical Branch, Galveston, Texas, United States of America

Hypothesis

The study investigates the role of the phosphoinositide-3 kinase (PI3K) pathway in the entry of Ebola virus into host cells.

Conclusion

The PI3K signaling pathway is crucial for the entry of Ebola virus into cells, and inhibiting this pathway can block the infection.

Supporting Evidence

  • Inhibitors of PI3K and Akt significantly reduced infection by ZEBOV.
  • ZEBOV actively induces the PI3K pathway shortly after exposure.
  • Phosphorylation of Akt-1 was observed after exposure to ZEBOV.
  • Class 1A PI3Ks are critical for regulating ZEBOV entry.
  • Inhibition of PI3K, Akt, or Rac1 disrupted normal uptake of virus particles.

Takeaway

Ebola virus needs a special signal from the cell to get inside, and blocking that signal can stop the virus from infecting the cell.

Methodology

The study used inhibitors of PI3K and Akt to assess their effects on Ebola virus entry in cell cultures, along with a novel virus entry assay.

Limitations

The study primarily focuses on cell culture models, which may not fully replicate in vivo conditions.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.ppat.1000141

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