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A, Electron paramagnetic resonance waveform spectra of pulmonary artery endothelial cells treated for 120 mins with either saline, TIP peptide (50 μg/mL) or mutant TIP (mTIP) (50 μg/mL) and kept either in normoxia (120 mins) or in hypoxia (90 mins)/reoxygenation (30 mins) conditions; B, intratracheally (i.t.) relative superoxide generation in all groups, as compared with normoxia of control cells. *p < .05 vs. normoxia. Data represent mean ± sem; n = 6.
