When serum was incubated with HUVECs, the plasma from T2DM/AMI significantly increased the levels of miR‐499 (Figure S4D), levels of ICAM‐1(Figure S4E) and levels of MCP‐1 (Figure S4F) in HUVECs compared to that from T2DM. Here, CCL2 is linked to type 2 diabetes mellitus.