Breaking Update: Here’s a clear explanation of the latest developments related to Breaking News:Sleep Apnea linked to Oxidative Stress– What Just Happened and why it matters right now.
OSAS May Influence Oxidative Stress Biomarkers
OBSTRUCTIVE sleep apnea syndrome (OSAS) may be linked to oxidative stress (OS), according to a Mendelian randomization study. Using FinnGen-derived genetic data for OSAS and summary statistics for 16 oxidative stress biomarker indicators (OSBIs), the authors performed univariable, bidirectional, and multivariable analyses to assess whether this relationship may be causal rather than purely observational.
The findings suggested that OSAS may be associated with higher lactate levels. In the univariable analysis, the odds ratio (OR) was 1.06, suggesting a modest increase in the odds of elevated lactate. The multivariable analysis also supported a direct effect, with an OR of 1.16. However, the authors noted significant heterogeneity, meaning this finding should be interpreted with caution.
Some OSBIs May Also Affect OSAS
The reverse analysis suggested that lower levels of superoxide dismutase and matrix metalloproteinase 9 were associated with OSAS. Superoxide dismutase had an OR of 0.96, while matrix metalloproteinase 9 had an OR of 0.98. These findings suggest that some OSBIs may not only change in response to OSAS, but could also contribute to the disease itself.
The multivariable analysis also suggested that OSAS may be associated with higher vitamin E levels, with an OR of 1.15. The authors proposed that this may reflect a compensatory antioxidant response.
Why the Findings Matter
The study supports the idea that OS may be both a consequence of OSAS and a contributor to it. One possible explanation is that repeated hypoxia may disrupt glucose metabolism, which could help explain the rise in lactate. At the same time, the body may increase antioxidant activity in response to this stress.
Although the findings provide useful genetic evidence, the authors said larger and more diverse studies are still needed. They also called for future research using a broader range of OSBIs. Overall, the findings suggest that OS and OSAS may be more closely connected than previously understood.
Reference
Liu Y et al. Biomarker-Based Analysis of the Association Between Obstructive Sleep Apnea Syndrome and Oxidative Stress: A Univariable, Bidirectional, and Multivariable Mendelian Randomization Study. Curr Med Chem. 2026;DOI:10.2174/0109298673424572251205201414.
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