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Related Experiment Videos

Molecular adjuvants for mucosal immunity.

Felix N Toka1, Christopher D Pack, Barry T Rouse

  • 1Department of Microbiology, University of Tennessee, Walter's Life Sciences Building, Knoxville, TN 37996, USA.

Immunological Reviews
|July 6, 2004
PubMed
Summary

Genetic vaccines encoding adjuvant molecules can enhance mucosal immunity against viral pathogens. Cytokines and chemokines show promise for optimizing vaccine responses at vulnerable entry sites.

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Area of Science:

  • Immunology
  • Vaccinology
  • Virology

Background:

  • Mucosal surfaces are primary entry points for many viral pathogens, including herpes simplex virus and human immunodeficiency virus.
  • Effective vaccines are lacking for numerous viruses that target mucosal tissues, necessitating strategies to induce robust immunity at these sites.

Purpose of the Study:

  • To review the progress of genetic vaccines in achieving mucosal immunity.
  • To discuss strategies for maximizing long-term prospective immunity at mucosal entry sites.

Main Methods:

  • Review of existing literature on genetic vaccines encoding adjuvant molecules, focusing on cytokines and chemokines.
  • Examination of studies involving specific cytokines (e.g., granulocyte/macrophage colony-stimulating factor, interleukin-2, IL-12, IL-18) and chemokines (e.g., IL-8, RANTES, CCL19, CCL21).

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  • Discussion of combinatorial approaches and the role of cytokines like IL-15 and IL-23 in memory T cell development.

    • Main Results:

    • Genetic vaccines encoding adjuvant molecules, particularly cytokines and chemokines, show promise for enhancing both mucosal and systemic immunity.
    • Various cytokines and chemokines have demonstrated potential in boosting primary immune responses to levels sufficient for protection.
    • Combinatorial strategies using multiple cytokines and chemokines are likely to be most successful.

    Conclusions:

    • Genetic vaccines offer a viable approach to induce protective mucosal immunity against viral pathogens.
    • The strategic use of cytokines and chemokines as adjuvants can significantly enhance vaccine efficacy at mucosal surfaces.
    • Further research into cytokine-mediated T cell memory, including boosters with IL-15 and IL-23, is crucial for long-term protection.