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Figure 4: Flaxseed mitigates increased Oxidative Stress in Lung Tissue and BALF due to Hyperoxia, Radiation, or Double-Hit Combination.Challenge Separate cohorts of mice (n=5/group) were fed 0% or 10% FS diet and exposed to 100% O2 for 8 hours only (O2), 0.25 Gy total body ionizing gamma irradiation (IR) only, or a double-hit combination of both challenges(O2+IR) followed by intermittent normoxia (21% pO2) for repeated cycles 3 times a week for 2 weeks. Mice were sacrificed after 2 weeks of challenge exposure.Levels of malondialdehyde, a marker of lipid peroxidation, were determined in mouse lung tissue (Panel A) and BALF (Panel B). Data is represented as mean ± SEM. *p< 0.05 for O2, IR, and O2+IR versus respective untreated control mice in each diet cohort. #p< 0.05 for 0% FS fed mice exposed to O2, IR, and O2+IR versus respective 10% FS fed mice exposed to O2, IR, and O2+IR. |