Ten- to 12-week-old male CD1 mice were subjected to either sham (control) or ligation of the coronary artery surgery and received daily i.p. injections of DMSO (vehicle-control) or HDAC inhibition, SAHA (25 mg/kg). Seven days after MI, mice were euthanized. Localization and abundance of autophagy markers, ATG-7, and the LC3II complex in the border zone of infarction, 10×magnification, scale bars: 100 μm. Sham n = 6 and MI n = 8.