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Figure 2 Expression of lectin-like oxidized low-density lipoprotein receptors (LOX-1) in the ischemic-reperfused (I-R) areas was confirmed by immunostaining. Positive immunoreactivity for LOX-1 was identified mainly in the endocardium and the subendocardial areas of the myocardium. Again, the use of LOX-1 antibody (Ab-LOX-1) reduced LOX-1 staining after I-R, while nonspecific immunoglobulin G (IgG) had no effect.