C GPX1 protein level was plotted using the immunohistochemical scores as described in methods. (left) representative images from immunohistochemistry staining for GPX1 in tissues from patients who suffered acute myocardial infarctions. (right) plot of GPX1 scores in each BZ and DZ (n = 9 patients). DZ, distant area; BZ, border zone. Scale bars, 250 μm (left). * p = 0.0039. 