ArticleArchives of medical science : AMS2026
Beneficial effects of antioxidants on neutrophil extracellular trap formation in atherosclerosis.
Article in Archives of medical science : AMS, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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8 authors.
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Abstract
Introduction: Neutrophils have been implicated in the pathogenesis of atherosclerosis in multiple studies. This study aimed to determine the effects of flavonoids (quercetin and luteolin) and vitamin C on neutrophil extracellular trap (NET) formation and regulation of NET markers, including circulating cell-free DNA (cfDNA) and myeloperoxidase (MPO). Additionally, we assessed the expression of NADPH oxidase complex subunits and superoxide anion generation in neutrophils. Material and methods: Whole blood samples were collected from patients with atherosclerosis. Neutrophils were stimulated with lipopolysaccharide (LPS), and the effects of flavonoids and vitamin C on NET release, NADPH oxidase subunit expression (p47phox, p67phox, Rac1), and superoxide production were evaluated. Results: Atherosclerotic patients showed increased NETosis, with elevated NET release, MPO, and cfDNA levels. Expression of NADPH oxidase subunits p47phox and p67phox and superoxide anion generation were significantly higher compared to controls. LPS further enhanced these effects. Treatment with quercetin, luteolin, and vitamin C reduced NET formation, NADPH oxidase expression, and superoxide production in stimulated neutrophils. Conclusions: Flavonoids and vitamin C modulate NET formation, likely by affecting NADPH oxidase activity and reactive oxygen species production, suggesting potential anti-inflammatory effects relevant to atherosclerosis. Further studies are warranted to evaluate the potential application of these compounds as adjunctive therapy in the treatment of atherosclerosis.
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