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Related Experiment Videos

Effect of interferon on retrovirus replication.

P M Pitha, J A Bilello, C H Riggin

    Texas Reports on Biology and Medicine
    |January 1, 1981
    PubMed
    Summary

    Interferon treatment alters cellular membrane properties, hindering retrovirus replication by affecting virus uptake and assembly. This impacts viral protein synthesis, even with relatively resistant retroviral mRNA.

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    Area of Science:

    • Virology
    • Cell Biology
    • Immunology

    Background:

    • Interferons are key antiviral cytokines.
    • Retrovirus replication involves complex cellular interactions.
    • Cellular membrane physiology plays a role in viral processes.

    Purpose of the Study:

    • To investigate the mechanism by which interferons inhibit retrovirus replication.
    • To explore the role of cellular plasma membrane changes in interferon's antiviral effect.
    • To assess the impact on viral entry, assembly, and protein synthesis.

    Main Methods:

    • Treatment of cells with interferon.
    • Analysis of cellular plasma membrane properties (e.g., fluidity).
    • Observation of retrovirus replication stages: uptake, assembly, and protein synthesis.

    Main Results:

    • Interferon induces changes in cellular plasma membrane physiology.
    • These membrane alterations affect virus uptake and progeny virus assembly.
    • Inhibition of viral protein synthesis occurs, despite relative mRNA stability.

    Conclusions:

    • Interferon's antiviral effect against retroviruses is mediated by altered cellular membrane function.
    • Changes in membrane fluidity impact critical steps in the retroviral life cycle.
    • The observed inhibition of viral protein synthesis highlights the comprehensive antiviral action of interferons.

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