Key result
Viral proteins employ immunomodulatory strategies to block host antiviral interferon signaling and establish infection.
Why the study?
Viruses have devised techniques to circumvent host antiviral immune responses and establish infection, motivating a synthesis of evidence on viral immune evasion strategies.
This review summarizes the mechanisms by which viral proteins block host antiviral interferon responses and discusses strategies to overcome these immune evasion tactics.
Viral interferon evasion highlights limits of innate immune therapies; leaves open targeted countermeasures pending clinical validation.
Interferons (IFNs) are antiviral cytokines that serve as key mediators of the innate immune response, and their production is induced in the majority of cells within hours of pathogen entry. IFNs are predominantly produced by pathogen-infected cells; however, their antiviral effects extend to surrounding cells through autocrine and paracrine signaling mechanisms, inducing the transcription of hundreds of antiviral genes. Numerous gene products either interfere directly with viral replication or play regulatory roles that influence the progression and strength of the ensuing immune response. Viruses, on the other hand, have devised techniques to circumvent the host antiviral immune response and establish infection. This review focuses on the current state of evidence demonstrating how certain viral proteins block antiviral responses via immunomodulatory strategies and discusses how to overcome these immune evasion tactics.
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Niranjan Dodantenna (2026) conducted a review in Viral infection. Viral immune evasion tactics was evaluated. Viral proteins employ various immunomodulatory strategies to block host antiviral interferon signaling and establish infection.
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