Fig. 2

Study of IL6 dose–response effect on wound closure. Comparison of the mean percentage of wound repair after wound healing of HNEC cultures (n = 6 patients) at each regular interval between controls wells and each concentration of IL-6 tested: IL6-1, IL6-10; IL6-100 (1 ng/ml, 10 ng/ml, 100 ng/ml, respectively). *p value < 0.05; **p < 0.005; ***p < 0.0005