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Intermittent hypoxia reduced antioxidant enzymes in mouse lungs. Immunoblotting for catalase (a), SOD2 (b), and GPX (c) was performed on lungs on D4 in the 4 experimental groups. Histograms show quantitative representation of protein levels of n = 4-5 mice/group. ∗p < 0.01 versus Saline-IA; ∗∗p < 0.01 versus Saline-IA; ∗∗∗p < 0.001 versus Saline-IA; #p < 0.05 versus BLM-IA.
