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OA-NO2 reduced apoptosis in myocardial tissue after ischaemia and reperfusion. (A) Immunofluorescent staining for TUNEL-positive cells. (B) Quantification of TUNEL-positive cells; *P < 0.001. (C) Assessment of caspase 3 activity. *P < 0.05 for comparison with sham; #P < 0.05 for comparison with OA-NO2. No statistically significant difference was observed between OA-NO2 treated animals and sham animals.
