Fig 5. Expression levels of (A) Pdk1, (B) Pdk2, (C) Pdk3, and (D) Pdk4 in the lungs quantified by real-time PCR.

Data are shown as means ± SEM. Comparisons between groups were performed using a t test. * p < 0.05; ** p < 0.01. Air: normoxia; O2: hyperoxia; SEM: Standard error of the mean.