NPPB and myocardial infarction: Figure 1C–F illustrated that SHPC attenuated MI/R injury, as detected by cardiac injury biomarkers of cardiac troponin T (cTnT), N‐terminal pro‐B‐type natriuretic peptide (NTpro‐BNP), creatine kinase‐MB (CK‐MB), and lactate dehydrogenase (LDH) in the plasma.