ArticleSleep & breathing = Schlaf & Atmung2025
S100a8 and s100a9 are elevated in aortic wall from patients with moderate-and-severe obstructive sleep apnea syndrome.
Article in Sleep & breathing = Schlaf & Atmung, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Expression of Inflammatory Markers in Ascending Thoracic Aorta in Patients with Obstructive Sleep Apnea.International journal of molecular sciences · 2026Article
- Increases in Strain, Strain Rate, Displacement and Velocity in the Thoracic Aorta After Bench Pressing.Medicina (Kaunas, Lithuania) · 2025Observational
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Authors and funding
7 authors.
Funding
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Abstract
purposeObstructive sleep apnea (OSA) is associated with systemic inflammation and cardiovascular disease, including atherosclerosis. S100A8 and S100A9 are pro-inflammatory proteins involved in atherogenesis, but their expression in the aortic walls of OSA patients remains unknown. This study aimed to determine the relationship between OSA severity and S100A8/S100A9 expression in aortic tissue from patients undergoing coronary artery bypass grafting (CABG).
methodsThis study included 46 patients who underwent CABG. OSA severity was assessed using the WatchPAT™ home sleep apnea test, classifying patients into control and mild (0 < AHI < 15), and moderate to severe (AHI ≥ 15) OSA groups. Aortic wall samples were collected intraoperatively, and S100A8 and S100A9 expression was evaluated using immunohistochemistry. Statistical analysis compared protein expression across OSA severity groups.
resultsPatients with moderate-to-severe OSA exhibited higher S100A8 and S100A9 expression in aortic tissue compared to control and mild OSA groups. The difference was statistically significant for S100A9 (p < 0.01), while S100A8 showed a non-significant increasing trend (p = 0.073).
conclusionThis study provides novel evidence that S100A8 and S100A9 are overexpressed in the aortic walls of patients with moderate-to-severe OSA. These findings suggest a potential role for these proteins in OSA-related vascular inflammation and atherosclerosis. Further research is needed to explore their potential as biomarkers or therapeutic targets in OSA-related cardiovascular disease.
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