STINGing Defenses: Unmasking the Mechanisms of DNA Oncovirus-Mediated Immune Escape

Mayra F Martínez-López1, Claire Muslin2, Nikolaos C Kyriakidis1

  • 1Cancer Research Group (CRG), Faculty of Medicine, Universidad de las Américas, Quito 170503, Ecuador.

Viruses
|April 27, 2024
PubMed

Insights

DNA oncoviruses manipulate host immunity, targeting the cGAS-STING pathway for survival. Understanding these interactions is key to developing new therapies against virus-induced cancers.

Area of Science:

  • Immunology
  • Virology
  • Oncology

Background:

  • DNA oncoviruses are implicated in human cancers.
  • These viruses possess mechanisms to evade host immune surveillance.
  • The innate immune system plays a critical role in controlling viral infections.

Purpose of the Study:

  • To elucidate the intricate interplay between DNA oncoviruses and the innate immune system.
  • To specifically investigate the targeting of the cGAS-STING pathway by DNA oncoviruses.
  • To identify potential therapeutic strategies by understanding these viral-host interactions.

Main Methods:

  • Review of existing literature on DNA oncoviruses and innate immunity.
  • Analysis of molecular mechanisms employed by viruses to subvert immune pathways.
  • Focus on the cyclic GMP-AMP synthase (cGAMP) -stimulator of interferon genes (STING) signaling cascade.

Main Results:

  • DNA oncoviruses actively manipulate host immune responses.
  • These viruses strategically target and exploit the cGAS-STING pathway.
  • Viral subversion of cGAS-STING facilitates persistence and oncogenesis.

Conclusions:

  • DNA oncoviruses exhibit sophisticated strategies to counteract innate immunity.
  • The cGAS-STING pathway is a critical target for oncoviral immune evasion.
  • Further research into these interactions can guide novel anti-cancer therapeutic development.

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