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Related Experiment Video

Updated: Feb 24, 2026

Neutrophil Extracellular Traps Generated by Low Density Neutrophils Obtained from Peritoneal Lavage Fluid Mediate Tumor Cell Growth and Attachment
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Neutrophil Extracellular Trap Production in Patients with Colorectal Cancer In Vitro.

J J R Richardson1,2, C Hendrickse2, F Gao-Smith1

  • 1Institute of Inflammation and Ageing, College of Medical and Dental Sciences, The University of Birmingham, Birmingham B15 2TT, UK.

International Journal of Inflammation
|August 23, 2017
PubMed
Summary

Colorectal cancer patients show higher Neutrophil Extracellular Traps (NETs) production. Increased NETs correlate with adverse outcomes, suggesting NETs as potential therapeutic targets for colorectal cancer.

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Area of Science:

  • Immunology
  • Oncology
  • Molecular Biology

Background:

  • Neutrophil Extracellular Traps (NETs) are DNA structures released by neutrophils.
  • NETs are increasingly recognized for their role in cancer progression and metastasis.
  • The specific role of NETs in colorectal cancer (CRC) requires further elucidation.

Purpose of the Study:

  • To investigate NETs production in patients with colorectal cancer (CRC).
  • To determine the prognostic significance of NETs in CRC.
  • To explore the association between NETs and adverse patient outcomes.

Main Methods:

  • Systemic neutrophils were isolated from CRC patients and healthy volunteers.
  • Neutrophils were stimulated to induce NETs production.
  • NETs production was quantified via extracellular DNA fluorescence.
  • Impact of cancer characteristics and patient outcomes on NETs was analyzed.

Main Results:

  • CRC patients exhibited significantly higher NETs production compared to healthy controls.
  • Increased NETs production was observed in response to various stimulants, including IL-8 and LPS.
  • Elevated NETs levels correlated with postoperative complications and prolonged hospital stays in CRC patients.
  • NETs production did not significantly correlate with cancer location, tumor stage, or mortality.

Conclusions:

  • Patients with colorectal cancer demonstrate heightened NETs production.
  • Elevated NETs are associated with adverse patient outcomes, indicating prognostic value.
  • NETs represent potential therapeutic targets for managing colorectal cancer and its complications.