Cited by 1,395Neutrophil, Myeloperoxidase and Oxidative MechanismsCancer, Stress, Anesthesia, and Immune ResponseImmune cells in cancer

Neutrophil extracellular traps sequester circulating tumor cells and promote metastasis

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Cools-Lartigue, Jonathan, Spicer, Jonathan, McDonald, Braedon, Gowing, Stephen, Chow, Simon, Giannias, Betty, Bourdeau, France, Kubes, Paul +1 more·2013·Journal of Clinical Investigation

Abstract

The majority of patients with cancer undergo at least one surgical procedure as part of their treatment. Severe postsurgical infection is associated with adverse oncologic outcomes; however, the mechanisms underlying this phenomenon are unclear. Emerging evidence suggests that neutrophils, which function as the first line of defense during infections, facilitate cancer progression. Neutrophil extracellular traps (NETs) are extracellular neutrophil-derived DNA webs released in response to inflammatory cues that trap and kill invading pathogens. The role of NETs in cancer progression is entirely unknown. We report that circulating tumor cells become trapped within NETs in vitro under static and dynamic conditions. In a murine model of infection using cecal ligation and puncture, we demonstrated microvascular NET deposition and consequent trapping of circulating lung carcinoma cells within DNA webs. NET trapping was associated with increased formation of hepatic micrometastases at 48 hours and gross metastatic disease burden at 2 weeks following tumor cell injection. These effects were abrogated by NET inhibition with DNAse or a neutrophil elastase inhibitor. These findings implicate NETs in the process of cancer metastasis in the context of systemic infection and identify NETs as potential therapeutic targets.

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  1. Cell Host Microbe . 2012;12(3):324-333.

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Authors
Cools-Lartigue, J., Spicer, J., McDonald, B., Gowing, S., Chow, S., Giannias, B., Bourdeau, F., Kubes, P., & Ferri, L.
Affiliations
  • McGill University (CA)
  • University of Calgary (CA)
Corresponding author
Ferri, Lorenzo
Venue
Journal of Clinical Investigation
Published
2013-07-01
Volume
123
Issue
8
Pages
3446-3458
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2140995313
Cited by
1,395
References
78
Citations by year
2026: 110 · 2025: 125 · 2024: 126 · 2023: 141 · 2022: 152 · 2021: 177 · 2020: 153 · 2019: 94 · 2018: 84 · 2017: 74 · 2016: 77 · 2015: 43 · 2014: 34 · 2013: 2
FWCI
28.74
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • McGill University
  • National Eye Institute
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Cancer, Stress, Anesthesia, and Immune Response
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
neutrophil extracellular traps, circulating tumor cells, metastasis, systemic infection, neutrophils, lung cancer, cecal ligation and puncture, neutrophil elastase, DNase, postoperative infection

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