Macrophage makeover extreme viral edition: mechanisms of immune subversion and therapeutic perspectives

Zoé Fremont-Debaene1, Suzanne Faure-Dupuy1

  • 1Institut Cochin, INSERM, CNRS, Université Paris Cité, F-75014 Paris, France.

PubMed

Insights

Viruses manipulate macrophages, key immune cells, by altering cytokine secretion and phagocytosis. This review explores viral strategies and new therapies to restore macrophage function and combat viral diseases.

Area of Science:

  • Immunology
  • Virology
  • Cell Biology

Background:

  • Macrophages are crucial innate immune cells involved in immune responses and tissue repair.
  • Their plasticity makes them susceptible to viral manipulation, impacting immune evasion and infection establishment.
  • Viruses exploit macrophages to disrupt immune homeostasis, leading to pathology or persistent infections.

Purpose of the Study:

  • To summarize the complex interplay between viruses and macrophages.
  • To highlight viral mechanisms for modulating macrophage functions.
  • To review emerging therapeutic strategies for restoring macrophage functionality.

Main Methods:

  • Literature review of viral-macrophage interactions.
  • Analysis of viral strategies targeting cytokine secretion and phagocytosis.
  • Synthesis of current and emerging therapeutic interventions.

Main Results:

  • Viruses disrupt macrophage cytokine secretion, causing hyperinflammation or suppression.
  • Viral manipulation impairs macrophage phagocytic activity, aiding immune evasion.
  • Disrupted macrophage function contributes to immunopathology, chronic inflammation, and viral reservoirs.

Conclusions:

  • Understanding viral manipulation of macrophages is critical for developing effective treatments.
  • Therapeutic strategies targeting macrophage restoration show promise for combating viral infections.
  • Restoring macrophage immune balance offers new hope for managing viral diseases and associated pathologies.

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