Among other pathways, the C-C motif chemokine ligand 2 (CCL2)-C-C motif chemokine receptor 2 (CCR2) axis plays important roles in a variety of cardiovascular diseases, including heart failure10, atherosclerosis11, myocardial infarction12, 13, hypertension14, and myocarditis15. Here, CCR2 is linked to cardiovascular disorder.