Representative pictures for HNE staining.

<p>Representative images of 4-hydroxynonenal staining on myocardial tissue from area not at ischemic risk (ANR), viable ischemic tissue (VIT) and necrotic ischemic tissue (NIT) are shown. As control, a normal myocardial tissue that was not subjected to ischemia reperfusion injury was used. Red = HNE, blue = DAPI staining of nuclei. Scale bars = 50μm.</p