Impact of GSNOR inhibitor on cardiac damage in ischemia–reperfusion. (A), levels of creatine kinase release in the coronary effluent of Langendorff perfused hearts in the presence of increasing concentrations of the GSNOR inhibitor C2 and controls (vehicle). (B), representative images of hearts stained with TTC after being submitted to a protocol of ischemia–reperfusion, under control conditions or in the presence of the GSNOR inhibitor C2 at 0.1, 1 and 10 µmol/L. Right, graph depicting the analysis of the infarcted area. Asterisk (*) indicates p < 0.05 and **, p < 0.005 compared to vehicle (control), by two-way ANOVA (creatine kinase) and one-way ANOVA with multiple comparisons for infarct size analysis. n = 5 in each group.