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PANoptosis in microbial infection.

David E Place1, SangJoon Lee1, Thirumala-Devi Kanneganti1

  • 1Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, 38105, USA.

Current Opinion in Microbiology
|August 24, 2020
PubMed
Summary
This summary is machine-generated.

The immune system uses PANoptosis, a cell death process, to fight infections. Understanding this interconnected cell death mechanism is key for developing new treatments for diseases caused by pathogens.

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Area of Science:

  • Immunology
  • Cell Biology
  • Pathogen Host Interactions

Background:

  • The immune system employs diverse strategies to combat microbial infections and manage inflammation.
  • Dysregulated inflammatory responses to infection can lead to severe pathology.
  • Programmed cell death pathways like pyroptosis, apoptosis, and necroptosis are crucial innate immune responses.

Purpose of the Study:

  • To review the critical role of PANoptosis in host defense against a broad spectrum of pathogens.
  • To highlight the interconnectedness of pyroptosis, apoptosis, and necroptosis in the context of infection.
  • To propose PANoptosis as a unifying framework for understanding host-pathogen evolution and immune responses.

Main Methods:

  • Literature review of studies on programmed cell death pathways in infectious diseases.
  • Analysis of the molecular mechanisms linking pattern recognition receptor signaling and cytokine-induced death pathways.
  • Synthesis of evidence demonstrating the involvement of PANoptosis in restricting bacterial, viral, fungal, and parasitic infections.

Main Results:

  • PANoptosis integrates pyroptosis, apoptosis, and necroptosis into a unified cell death process.
  • This interconnected cell death mechanism is essential for controlling a wide array of pathogens.
  • Activation involves pattern recognition receptors and inflammatory cytokine signaling.

Conclusions:

  • PANoptosis is a vital host defense mechanism against diverse microbial threats.
  • Re-evaluating host-pathogen interactions through the lens of PANoptosis offers new insights.
  • Understanding PANoptosis may unveil novel therapeutic strategies for infectious diseases.