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Updated: Jul 11, 2026
10:05
Development and Identification of a Novel Subpopulation of Human Neutrophil-derived Giant Phagocytes In Vitro
Published on: January 25, 2017
How human neutrophils kill and degrade microbes: an integrated view
1Inflammation Program, Department of Medicine, University of Iowa, Iowa City, IA 52241, USA. william-nauseef@uiowa.edu
Immunological Reviews
|September 14, 2007
Summary
Neutrophils are key to innate immunity, fighting infections via internal and external collaborations. Defects in these crucial white blood cells significantly increase infection risks and mortality.
Area of Science:
- Immunology
- Cell Biology
Background:
- Neutrophils are the primary circulating cells mediating early innate immune responses to infection.
- Neutrophil defects (quantitative or qualitative) are linked to increased morbidity and mortality from infections, highlighting their critical role in health.
Purpose of the Study:
- To review the integrated nature of neutrophil-mediated antimicrobial action within the phagosome.
- To highlight two examples of collaborative antimicrobial mechanisms involving neutrophils.
Main Methods:
- Review of existing literature on neutrophil antimicrobial functions.
- Focus on myeloperoxidase-mediated events and the synergy between phagocyte NADPH oxidase and group IIA phospholipase A(2).
Main Results:
- Myeloperoxidase-mediated events demonstrate endogenous antimicrobial collaboration within neutrophils.
- The synergy between phagocyte NADPH oxidase and exogenous group IIA phospholipase A(2) exemplifies neutrophil cooperation with external factors.
Conclusions:
- Neutrophil antimicrobial activity relies on both pre-formed and newly generated agents, as well as cooperation with extracellular factors and other immune cells.
- Understanding these complex interactions is crucial for comprehending host defense against microbial invasion.
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