Median values of hBD-2 (V = 90, P < 0.001), RNase 7 (V = 286, P > 0.05), IL-1β (V = 749, P > 0.05) and IL-8 (CXCL-8) (V = 413, P < 0.001) increased during infection, but not for IL-6 (Fig. 3). This evidence concerns the gene CXCL8 and infection.