MYH6 and myocardial infarction: After MI, the LVEF and LVFS of MYH6-Cre-BDNF–/– mice were apparently smaller (Figures 5IVa,b; p< 0.05), while the LVIDd, LVIDs, LVEDV and LVESV were not statistically significant compared to those in WT mice (Figures 5IVc–f; p> 0.05).