CCL2 and diabetic kidney disease: Recent research has revealed, in studies on both patients and animals, monocyte chemoattractant protein (MCP)‐1 (also referred to as C–C chemokine ligand 2) to be important in the progression of diabetic nephropathy and has been indicated the potential of this protein as a marker of renal disease.6, 7, 8, 9, 10, 11, 12