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Harnessing poxviral know-how for anti-cytokine therapies

Andrew G Bowie1

  • 1From the School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland agbowie@tcd.ie.

The Journal of Biological Chemistry
|March 31, 2019
PubMed

Insights

Poxviruses use proteins like CrmD to evade immune responses by targeting cytokines and chemokines. This study reveals CrmD

Area of Science:

  • Virology
  • Immunology
  • Biochemistry

Background:

  • Poxviruses possess proteins that bind and neutralize host immune signaling molecules, such as cytokines and chemokines.
  • Understanding these viral protein-host interactions is crucial for deciphering immune evasion strategies.

Purpose of the Study:

  • To investigate the molecular mechanisms by which the poxviral protein CrmD interacts with mammalian tumor necrosis factor (TNF) and chemokines.
  • To leverage insights from CrmD's interactions to enhance the specificity of human anti-cytokine therapeutics.

Main Methods:

  • Detailed biochemical and structural analyses of CrmD's interaction with its host targets.
  • Application of findings to the rational design and refinement of a human anti-cytokine therapy.

Main Results:

  • Elucidation of the specific binding interfaces and functional consequences of CrmD's interaction with TNF and chemokines.
  • Demonstration of improved specificity for a human anti-cytokine therapeutic based on CrmD's interaction profile.

Conclusions:

  • Poxviral proteins like CrmD offer valuable insights into host-pathogen interactions and immune modulation.
  • Targeting viral protein mechanisms can lead to the development of more specific and effective therapeutic agents.

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