CCL2 and infection: It was also reported that MCP‐1 ‐ a small chemoattractant protein with an established role in inflammation of atherosclerosis ‐ binds to its main receptor, CCR2, inducing cell signalling and stimulating the migration of immune cells to the sites of infection or inflammation.12 There is overwhelming evidence that MCP‐1 plays a critical role in diabetes and ensuing cardiovascular disorders.