Novel Methods for the Analysis of Serum NET Remnants: Evaluation in Patients with Severe COVID-19 Article Swipe
YOU?
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· 2025
· Open Access
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· DOI: https://doi.org/10.3390/ijms26052221
Neutrophil extracellular traps (NETs) are web-like structures composed of chromatin and proteins from neutrophil granules. Several studies highlight the heterogeneity of NETs, underscoring the challenges associated with their detection. In patients with COVID-19, high levels of NET fragments, called NET remnants, are detected in the circulation but also in alveoli and bronchioles. NET remnants are usually measured as complexes of DNA and myeloperoxidase (DNA−MPO). Taking advantage of proteomic data on NET composition, we developed new solid-phase assays to detect NET remnants, measuring complexes of DNA with alpha enolase (DNA−eno) or calprotectin (DNA−cal). The two assays were compared with the DNA−MPO test for the detection of in vitro-generated NET and serum NET remnants; all of them showed similar sensitivity in the detection of in vitro-generated NET. In an analysis of 40 patients with severe COVID-19 and 25 healthy subjects, the results of the three assays were highly correlated, and all detected significantly higher levels of NET remnants in patient sera. Moreover, the level of NET remnants correlated with impaired gas exchange and increased with the progressive decline of pulmonary function. The proposed assays thus represent a novel tool with which to evaluate NETosis; using antibodies to different NET constituents may allow their fingerprinting in different disorders.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/ijms26052221
- https://www.mdpi.com/1422-0067/26/5/2221/pdf?version=1740760752
- OA Status
- gold
- Cited By
- 1
- References
- 31
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4408121298
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4408121298Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/ijms26052221Digital Object Identifier
- Title
-
Novel Methods for the Analysis of Serum NET Remnants: Evaluation in Patients with Severe COVID-19Work title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-02-28Full publication date if available
- Authors
-
Francesco Pisani, C. Porciani, Cristina Croia, Valentina Pucino, Agostino Virdis, Ilaria Puxeddu, Paola Migliorini, Federico PratesiList of authors in order
- Landing page
-
https://doi.org/10.3390/ijms26052221Publisher landing page
- PDF URL
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https://www.mdpi.com/1422-0067/26/5/2221/pdf?version=1740760752Direct link to full text PDF
- Open access
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://www.mdpi.com/1422-0067/26/5/2221/pdf?version=1740760752Direct OA link when available
- Concepts
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Neutrophil extracellular traps, Myeloperoxidase, DNA, Biology, In vitro, Chromatin, Immunology, Molecular biology, Computational biology, Biochemistry, InflammationTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
1Total citation count in OpenAlex
- Citations by year (recent)
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2025: 1Per-year citation counts (last 5 years)
- References (count)
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31Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| citation_normalized_percentile.value | 0.759862 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | True |