CD68 and Insulin resistance: Irrespective of insulin resistance severity, mRNA levels of collagens correlated reciprocally (Figure 3a and b) and with macrophage markers CD68 (Col I: r=0.4, P<0.01; Col III: r=0.47, P<0.01; Col VI: r=0.59, P<0.05) (Figure 3c) and MCP-1 (Col III: r=0.38, P<0.05; Col VI: r=0.4, P<0.05).