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Morphological and Compositional Analysis of Neutrophil Extracellular Traps Induced by Microbial and Chemical Stimuli
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Neutrophils at work.

William M Nauseef1, Niels Borregaard2

  • 1Inflammation Program, Department of Medicine, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, and Veterans Administration Medical Center, Iowa City, Iowa, USA.

Nature Immunology
|June 19, 2014
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Summary
This summary is machine-generated.

This review covers neutrophil homeostasis, emergency granulopoiesis, and immune system interactions. It explores neutrophil recruitment, NADPH oxidase activation, phagosome heterogeneity, and the roles of neutrophil extracellular traps and ectosomes.

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Area of Science:

  • Immunology
  • Cell Biology
  • Hematology

Background:

  • Neutrophils are critical immune cells involved in host defense.
  • Understanding neutrophil behavior in homeostasis and emergency conditions is vital.
  • Neutrophil interactions with the adaptive immune system are complex and multifaceted.

Purpose of the Study:

  • To review recent advances in neutrophil biology.
  • To discuss neutrophil homeostasis and emergency granulopoiesis.
  • To explore neutrophil interactions with the adaptive immune system, recruitment, activation, and key effector functions.

Main Methods:

  • In vivo observations of neutrophil recruitment in infection models.
  • Examination of data on NADPH oxidase activation and phagosome heterogeneity.
  • Review of literature on neutrophil extracellular traps and ectosomes.

Main Results:

  • Recent insights into neutrophil homeostasis and emergency granulopoiesis.
  • Demonstration of distinct neutrophil recruitment patterns in blood-borne versus epithelial infections.
  • Novel findings on NADPH oxidase activation and phagosome characteristics.
  • Highlighting the significance of neutrophil extracellular traps and ectosomes.

Conclusions:

  • Neutrophil biology is a dynamic field with ongoing discoveries.
  • Neutrophils play diverse roles beyond innate immunity, including adaptive immune modulation.
  • Neutrophil extracellular traps and ectosomes represent important effector mechanisms.