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Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

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Published on: March 2, 2014

Innate immunity for biodefense: a strategy whose time has come.

Catherine Amlie-Lefond¹, David A Paz, Mary P Connelly

¹Department of Neurology, Medial College of Wisconsin, WI 53226, USA.

The Journal of Allergy and Clinical Immunology

|December 13, 2005

Summary

A nasal spray platform combining innate immune activators offers broad-spectrum biodefense against pathogens. This strategy may protect against biothreat agents for weeks, with minimal side effects observed in trials.

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Area of Science:

Immunology
Biodefense
Drug Development

Background:

Broad-spectrum defense against biothreat agents is crucial.
Modulating the innate immune system presents a promising strategy.
Previous reviews identified unresolved questions in innate immune activation for biodefense.

Purpose of the Study:

Systematically address unresolved questions in innate immune activation for biodefense.
Evaluate promising agents and technologies for a broad-spectrum biodefense platform.
Assess the feasibility and potential efficacy of a novel biodefense approach.

Main Methods:

Systematic review and expert consensus from academic and industry researchers.
Evaluation of synergistic agents activating innate immunity via conserved microbial components.
Assessment of nasal spray delivery for respiratory and gastrointestinal tract immune activation.

Main Results:

Feasible construction of a biodefense platform using synergistic innate immune activators.
Potential protection against a broad range of pathogens for 2-14 days (IFNs) to 26 weeks (oligonucleotides).
Inclusion of agents to inhibit septic shock pathways is possible; transient fever observed, no autoimmune or retroviral activation in trials.

Conclusions:

A nasal spray biodefense platform activating innate immunity is feasible.
This approach offers broad-spectrum protection against diverse pathogens.
Further research and dose optimization are needed, considering genetic variations in immune response.