AI Article Synopsis

  • Scientists think a lot of the DNA found in blood comes from special nets made by immune cells called neutrophils.
  • They studied 219 people with a type of cancer and 114 healthy people to see how certain markers in their blood were different.
  • The findings suggest that these markers could help doctors identify cancer patients and might even help stop blood clots linked to cancer.

Article Abstract

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 ( < 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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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8844218PMC
http://dx.doi.org/10.1016/j.isci.2022.103826DOI Listing

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