Quantification of Circulating Cell-Free DNA as a NETosis Marker in Trauma Patients with Type 2 Diabetes Mellitus
2025
Filiz Sahin | Regina Breinbauer | Caren Linnemann | Melike Tombaz | Andreas K. Nussler | Sabrina Ehnert
Type 2 diabetes mellitus (T2DM) significantly impairs fracture healing, with neutrophils playing a crucial role in this process. In T2DM, these immune cells are over-activated, leading to the excessive release of neutrophil extracellular traps (NETs), increasing inflammation and hindering recovery. Thus, a need for markers to assess patients in the risk group arises. This study demonstrates that circulating cell-free DNA (cfDNA) can be efficiently quantified from serum samples by a single-step qPCR and be used as a marker for NETosis. Our results revealed that trauma patients with T2DM have the highest cfDNA levels, followed by trauma patients, and the healthy group has the lowest. The method shows strong correlations between cfDNA and neutrophil-specific markers such as MPO, citH3, AZU1, and α-defensin, highlighting its potential as a rapid indicator of NETosis. This approach could allow the timely interference for high-risk patients, ultimately improving healing outcomes and reducing complications such as chronic inflammation, non-union fractures, and diabetic foot ulcers.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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