CCL2 and Abnormal renal physiology: Plasma MCP-1 levels were significantly higher in patients with renal dysfunction (median 120.3 pg/mL, range 84.7–299.5 pg/mL) in comparison with patients who had no renal impairment (median 91.5 pg/mL, range 8.3–277.4 pg/mL; p = 0.02; Figure 2).