There were no significant differences between mean GAPDH levels of AF animals and SR controls (SR vs. 7 days AF: p = 0.33 [LA], p = 0.09 [RA]; SR vs. 14 days AF: p = 0.79 [LA], p = 0.08 [RA]; Figure 1j). Here, GAPDH is linked to atrial fibrillation.