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536
Neutrophil heterogeneity: implications for homeostasis and pathogenesis
Carlos Silvestre-Roig1, Andres Hidalgo2, Oliver Soehnlein3
1Institute for Cardiovascular Prevention, Ludwig Maximilian University Munich, Munich, Germany; Department of Pathology, Academic Medical Center, Amsterdam, The Netherlands;
Blood
|March 23, 2016
Summary
Neutrophils, once thought uniform, display surprising diversity. This review explores their varied roles in host defense and disease, highlighting new insights into neutrophil heterogeneity.
Area of Science:
- Immunology
- Cell Biology
Background:
- Neutrophils (polymorphonuclear leukocytes) are key innate immune cells.
- Traditionally viewed as a homogenous, terminally differentiated population.
- Considered primarily as first responders to pathogens and mediators of inflammation.
Purpose of the Study:
- To review emerging evidence on neutrophil heterogeneity.
- To explore the functional versatility beyond antimicrobial roles.
- To understand neutrophil roles in homeostasis and disease.
Main Methods:
- Literature review of recent studies on neutrophil phenotype and function.
- Analysis of data demonstrating neutrophil plasticity.
- Synthesis of findings on neutrophil heterogeneity in health and disease.
Main Results:
- Neutrophils exhibit unexpected phenotypic and functional diversity.
- They are increasingly recognized for roles beyond direct pathogen killing.
- Neutrophils act as crucial regulators in innate and adaptive immunity.
Conclusions:
- The classical view of neutrophils as a homogenous population is outdated.
- Neutrophil heterogeneity is critical for immune responses.
- Further research into neutrophil plasticity is essential for understanding health and disease.
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