The number in the miR-487b inhibitor group increased compared with the CHF group (P < 0.05), and there were no significant differences in the NC of miR-487b mimic, NC of miR-487b inhibitor, NC of si IL-33, and miR-487b inhibitor + si IL-33, and CHF groups (P > 0.05 for all) (Figure 5). Here, IL33 is linked to congestive heart failure.