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. 2010 Dec 17;119(5):676–681. doi: 10.1289/ehp.1002857

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Cellular and mitochondrial oxidative stress levels in apoE^{−/ −} and apoE^{−/ −}, SOD2^+/− mice exposed to filtered air or ETS. Quantification of oxidized protein [2,4-dinitrophenylhydrazine (2,4-DNPH)] (A), aconitase activity (B), H₂O₂ (C), 3-NT (D), and mtDNA damage (E) in mice exposed to filtered air or ETS.

p < 0.05 compared with unexposed apoE^{−/ −} mice. **p < 0.05 compared with exposed apoE^{−/ −} mice. ^#p < 0.05 compared with unexposed apoE^{−/ −}, SOD2^+/− mice.