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Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production
08:32

Dissecting Innate Immune Signaling in Viral Evasion of Cytokine Production

Published on: March 2, 2014

Immune responses to adenoviruses: viral evasion mechanisms and their implications for the clinic

W S Wold1, K Doronin, K Toth

  • 1Saint Louis University School of Medicine, Department of Molecular Microbiology and Immunology, 1402 South Grand Boulevard, St Louis, MO 63104, USA. woldws@slu.edu

Current Opinion in Immunology
|August 17, 1999
PubMed

Insights

Adenoviruses use proteins to evade immune responses, including interferon and T-cell killing, which prolongs infections. These viral proteins could protect gene therapy vectors and transplanted cells from immune attack.

Area of Science:

  • Virology
  • Immunology
  • Molecular Biology

Background:

  • Adenoviruses possess proteins that inhibit cellular defense mechanisms.
  • These viral proteins are implicated in prolonging both acute and persistent adenovirus infections.
  • Understanding these mechanisms is crucial for managing viral infections and utilizing viral vectors.

Purpose of the Study:

  • To investigate the role of adenovirus-encoded proteins in evading host immune responses.
  • To explore the potential applications of these viral proteins in biotechnology and medicine.

Main Methods:

  • Analysis of adenovirus protein functions related to immune evasion.
  • Review of existing literature on adenovirus pathogenesis and immune interactions.

Main Results:

  • Adenovirus proteins effectively block interferon responses, intrinsic apoptosis, and cytotoxic T lymphocyte-mediated killing.
  • These proteins also inhibit killing by death ligands such as TNF, Fas ligand, and TRAIL.
  • The identified viral proteins contribute to the persistence of adenovirus infections.

Conclusions:

  • Adenovirus-encoded proteins are key mediators of immune evasion, facilitating prolonged viral infections.
  • These proteins hold significant promise for enhancing the safety and efficacy of adenovirus-based gene therapy vectors.
  • Potential applications include protecting transplanted cells and therapeutic vectors from immune rejection.

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