Implication of TRIMalpha and TRIMCyp in interferon-induced anti-retroviral restriction activities
2008

How Interferon Affects Anti-Retroviral Proteins in Primate Cells

publication 10 minutes Evidence: moderate

Author Information

Author(s): Carthagena Laetitia, Parise Mélanie C, Ringeard Mathieu, Chelbi-Alix Mounira K, Hazan Uriel, Nisole Sébastien

Primary Institution: Institut Cochin, Université Paris Descartes, CNRS (UMR 8104), Département des Maladies Infectieuses, Paris, France

Hypothesis

Does interferon treatment enhance the expression of TRIM5α and TRIMCyp in primate cells and affect their ability to restrict retroviral infections?

Conclusion

Both TRIM5α and TRIMCyp are involved in the interferon-induced anti-retroviral response in primate cells.

Supporting Evidence

  • Interferon treatment enhances TRIM5α expression in human and monkey cells.
  • TRIMCyp expression is specifically enhanced in owl monkey cells by interferon.
  • Type I interferon significantly increases the restriction of HIV-1 in owl monkey cells.
  • TRIM5α is the main mediator of interferon-induced restriction against N-MLV in human and African green monkey cells.
  • Interferon also induces a TRIMCyp-independent restriction activity specific to MLV in owl monkey cells.

Takeaway

This study shows that interferon can help certain monkey cells fight off viruses by boosting special proteins that block the viruses.

Methodology

The study involved treating various primate cell lines with interferon and measuring the expression of TRIM5α and TRIMCyp, as well as their effects on retroviral infections.

Limitations

The study primarily focuses on specific primate cell lines and may not generalize to all cell types or conditions.

Participant Demographics

The study involved human, African green monkey, rhesus macaque, and owl monkey cell lines.

Digital Object Identifier (DOI)

10.1186/1742-4690-5-59

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