On the day 7 after MI, compared to the control group, the LVEF, FS, LVIDd, and LVIDs of the Gal-3 shRNA/CMBs + US group had no significant difference (60.11 ± 7.38% vs. 56.27 ± 10.59%, 27.78 ± 3.60% vs. 20.99 ± 6.15%, 6.99 ± 1.27 cm vs. 7.22 ± 0.92 cm; 4.88 ± 1.42 vs. 5.53 ± 0.87, p > 0.05). This evidence concerns the gene LGALS3 and myocardial infarction.