NDUFB6 and ischemia: Interestingly, NADH:HAR reductase showed an apparent decrease in the relative content of C-I after 35 minutes of ischemia (68.7±1.3%; P=0.0001; n=6 per group), followed by a rapid recovery after reoxygenation (97.0±3.9%; P=0.99; n=6 per group) and a slow gradual decline at subsequent time points after I/R injury (78.7±4.3%; P=0.0003; n=8 per group; Figure 2D).