IKBKE and myocardial infarction: By 7 days post-MI, LV systolic function was significantly diminished in the IKKε KO group, as reflected by an ~4% decrease in both the LVEF (WT 34.02% ± 5.53 vs. IKKε KO 30.33% ± 5.25, p < 0.01) and LVFS (WT 13.66% ± 2.51 vs. IKKε KO 11.99% ± 2.26, p < 0.01).