Fig. 2.
IL-6 secretion by Toll-like receptor ligands. HMC3 were treated with 100 ng/ml of LPS, 200 μM of PA and LPS plus PA in the absence or presence of LPS RS (A), Pam3CSK4 (B) and Pam2CSK4 (C) for 24 h and IL-6 in culture medium was then quantified. Values are expressed as means ± SEM. ∗∗∗p < 0.001.