A method of treating a wound in a diabetic patient is provided. The method includes administering a therapeutically effective amount of Chemokine (C-C motif) ligand 2 (CCL2) to a wound site. In another aspect, a method of treating a wound in a diabetic patient is provided. The method includes assaying a level of CCL2 in the diabetic patient relative to a level of CCL2 in a normal subject and administering a therapeutically effective amount of CCL2 to the diabetic patient.