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Updated: Feb 12, 2026

Neutrophil Extracellular Traps: How to Generate and Visualize Them
Published on: February 24, 2010
Neutrophil extracellular traps in fungal infection
Constantin F Urban1, Jeniel E Nett2
1Umeå University, Department of Clinical Microbiology, 90185 Umeå, Sweden; Umeå Centre for Microbial Research & Laboratory for Molecular Infection Medicine, Sweden.
Abstract:
Fungal infections are a continuously increasing problem in modern health care. Understanding the complex biology of the emerging pathogens and unraveling the mechanisms of host defense may form the basis for the development of more efficient diagnostic and therapeutic tools. Neutrophils play a pivotal role in the defense against fungal pathogens. These phagocytic hunters migrate towards invading fungal microorganisms and eradicate them by phagocytosis, oxidative burst and release of neutrophil extracellular traps (NETs). In the last decade, the process of NET formation has received unparalleled attention, with numerous studies revealing the relevance of this neutrophil function for control of various mycoses. Here, we describe NET formation and summarize its role as part of the innate immune defense against fungal pathogens. We highlight factors influencing the formation of these structures and molecular mechanisms employed by fungi to impair the formation of NETs or subvert their antifungal effects.
Insights
Neutrophils combat fungal infections by releasing neutrophil extracellular traps (NETs). Fungi have evolved mechanisms to evade or counteract NETs, impacting the effectiveness of this crucial innate immune defense.
Area of Science:
- Immunology
- Mycology
- Infectious Diseases
Background:
- Fungal infections pose a growing global health challenge.
- Neutrophils are key immune cells in combating fungal pathogens.
- Neutrophil Extracellular Traps (NETs) are increasingly recognized for their role in antifungal immunity.
Purpose of the Study:
- To describe NET formation in the context of fungal infections.
- To summarize the role of NETs in innate immune defense against fungi.
- To highlight fungal strategies for evading NET-mediated immunity.
Main Methods:
- Review of current literature on neutrophil function and fungal pathogenesis.
- Analysis of molecular mechanisms of NET formation.
- Investigation of fungal factors that interfere with NETs.
Main Results:
- NETs are crucial for controlling various fungal infections (mycoses).
- Specific factors influence the formation and efficacy of NETs.
- Fungi employ diverse molecular mechanisms to impair NET formation or function.
Conclusions:
- Understanding NET formation and fungal countermeasures is vital for developing new antifungal strategies.
- Targeting NETs or fungal evasion mechanisms could lead to improved diagnostics and therapeutics.
- Further research into neutrophil-fungal interactions is warranted.
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