Figure 7. Combined administration of IF peptide and exercise show better regulation of HFD induced cardiac hypertrophic markers in SAMP8 aging model. The levels of survival and apoptosis protein such as ANP, BNP, and pGATA4 in aging mice heart show. All protein samples from each rat group were analyzed by Western blotting (n = 6). The protein expression folds were normalized with β-actin. C: Control; HF: High-fat diet; EX: Exercise; HF+IF: High-fat diet+IF; HF+EX: High-fat diet+ Exercise; HF+EX+IF: High-fat diet+ Exercise+ IF. Bars indicate the mean ± SEM obtained from experiments performed in triplicate. *P<0.05, **P<0.01 compared with the control group, #P<0.05, ##P<0.01, ###P<0.001 compared with the HF group.