Figure 3. Evaluation for the levels of Apelin in diabetic- or no diabetic IRI rats. The levels of Apelin in both cardiomyocyte (A) and serum (B) were evaluated by ELISA kit. * P<0.05, **P<0.01, ***P<0.001 represent the values compared to the ND-Sham group. ### P<0.001 represents the values compared to the D-Sham group. $$$P<0.001 represents the values compared to the First week. ND-Sham: Non-diabetes sham group; ND-IRI: Non-diabetes ischemia reperfusion injury; D-IRI: Diabetes ischemia reperfusion injury; D-Sham: Diabetes sham group.