CREG1 and myocardial infarction: Interestingly, compared with those in MI + vehicle group, EF% and FS% were significantly improved in MI + CREG group (EF: 29.96 ± 1.51% vs. 20.20 ± 1.27%, respectively; FS: 14.14 ± 0.77% vs. 9.27 ± 0.61%, respectively; P < 0.01, Fig. 3A, B).