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Updated: Sep 20, 2025
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Morphological and Compositional Analysis of Neutrophil Extracellular Traps Induced by Microbial and Chemical Stimuli
Published on: November 4, 2022
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Mouse Bone Marrow Neutrophil Extracellular Trap Proteomics by Microbial Stimuli
Yijie Wang1,2,3, Yujia Liu1,2,3, Chunjing Du4
1Beijing Key Laboratory of Viral Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China.
Scientific Data
|May 23, 2025
Summary
Neutrophil extracellular traps (NETs) are vital for immunity. This study reveals over 5,800 NET proteins, showing unique compositions based on different immune stimuli, advancing understanding of NET-mediated immunity.
Area of Science:
- Immunology
- Proteomics
- Cell Biology
Background:
- Neutrophils are key innate immune cells.
- Neutrophil extracellular traps (NETs) are crucial for pathogen defense.
- The full proteomic profile of NETs across various stimuli is not well understood.
Purpose of the Study:
- To comprehensively analyze the proteomic landscape of NETs induced by diverse stimuli.
- To identify stimulus-dependent differences in NET protein composition.
- To provide a foundation for understanding NET-mediated immunity.
Main Methods:
- Data-independent acquisition mass spectrometry was employed.
- NETs were induced using five distinct stimuli: β-glucan, lipopolysaccharide, polyinosinic-polycytidylic acid sodium, resiquimod, and SFTS bunyavirus.
- Proteomic analysis was performed on the collected NETs.
Main Results:
- A total of 5,868 NET-associated proteins were identified across all conditions.
- Significant stimulus-dependent variations in protein composition were observed.
- Unique proteomic signatures were detected for each stimulus, indicating distinct immune responses.
Conclusions:
- This study presents the most comprehensive proteomic dataset of NETs to date.
- The findings highlight the proteomic diversity of NETs and their stimulus-specific roles.
- This research offers critical insights into NET function in immune regulation and disease.
