DUSP6 and myocardial infarction: Notably, upon the depletion of circulating neutrophils (Supplementary Fig. 12a, b), both Dusp6-deficient and WT rats exhibited comparable levels of LV function and morphology, as represented by ejection fraction and fractional shortening at different time points (Supplementary Fig. 12c) as well as LV diastolic and systolic volumes at 4 weeks after MI (Supplementary Fig. 12d).