Retroviral infection in vivo requires an immune escape virulence factor encrypted in the envelope protein of oncoretroviruses
2010

Understanding Retroviral Envelope Proteins and Immune Suppression

Commentary Evidence: moderate

Author Information

Author(s): Mariana Varela, Massimo Palmarini

Primary Institution: University of Cambridge; University of Glasgow

Hypothesis

Can the immunosuppressive domain in retroviral envelope proteins play a role in maternal-fetal tolerance?

Conclusion

The study reveals that the immunosuppressive domain in retroviral envelope proteins is critical for viral replication and immune modulation.

Supporting Evidence

  • The immunosuppressive domain in retroviral envelope proteins is critical for viral replication.
  • Certain endogenous retroviruses have been shown to be essential for reproductive biology.
  • Previous studies indicated that the immune-modulator function of retroviruses was noted as early as the 1960s.

Takeaway

Some viruses have special parts that help them hide from our immune system, making it easier for them to infect us. This study looks at how these parts work in certain viruses.

Methodology

The authors used a viral mutant and a tumor-rejection assay to study the role of the immunosuppressive domain in viral replication.

Limitations

The true biological role of the immunosuppressive domain was unclear due to limitations in experimental systems.

Digital Object Identifier (DOI)

10.3390/v2081571

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