CCL2 and type 1 diabetes mellitus: There were positive statistically significant correlations between MCP-1/CCL2 (r = 0.300, p = 0.034), sCD40L (r = 0.290, p = 0.044), TGF-α (r = 0.330, p = 0.021), and the mean IMT in T1D group (Figure 4A–C).