4.7 Article

Association of neutrophil extracellular traps with the production of circulating DNA in patients with colorectal cancer

期刊

ISCIENCE
卷 25, 期 2, 页码 -

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CELL PRESS
DOI: 10.1016/j.isci.2022.103826

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资金

  1. AMGEN
  2. SIRIC Montpellier Cancer Grant [INCa_Inserm_DGOS_12553]
  3. INSERM
  4. RD Unicancer

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This study found that the degradation of neutrophil extracellular traps (NETs) contributes to the increased levels of circulating DNA (cirDNA) in patients with metastatic colorectal cancer (mCRC). These markers can distinguish between patients and healthy individuals and may have value in preventing thrombosis.
We postulate that a significant part of circulating DNA (cirDNA) originates in the degradation of neutrophil extracellular traps (NETs). In this study, we examined the plasma level of two markers of NETs (myeloperoxidase (MPO) and neutrophil elastase (NE)), as well as cirDNA levels in 219 patients with a metastatic colorectal cancer (mCRC), and in 114 healthy individuals (HI). We found that in patients with mCRC the content of these analytes was (i) highly correlated, and (ii) all statistically different (p < 0.0001) than in HI (N = 114). These three NETs markers may readily distinguish between patients with mCRC from HI, (0.88, 0.86, 0.84, and 0.95 AUC values for NE, MPO, cirDNA, and NE + MPO + cirDNA, respectively). Concomitant analysis of anti-phospholipid (anti-cardiolipin), NE, MPO, and cirDNA plasma concentrations in patients with mCRC might have value for thrombosis prevention, and suggested that NETosis may be a critical factor in the immunological response/phenomena linked to tumor progression.

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