It has been reported that the expression of CCL19 is increased in human atherosclerotic carotid artery disease [21], and it has been found that the expression of CCL19/CCL21/CCR7 in atherosclerotic coronary artery tissue increases, and promotes atherosclerosis by regulating the adhesion and migration of human monocytes [22]. This evidence concerns the gene CCR7 and atherosclerosis.