Figure 2
TNF-α (panel A-D) and IL-6 (panel E-H) levels in plasma after 4 and 24 hours incubation with LPS. Time points on y-axis represent blood sampling time points shown in the experimental protocols above. Panels A, B, E and F show 30 minutes of inhalation of helium and air, panels C, D, G and H 60 minutes. Data shown are means +/− SEM. Experimental protocol is shown above; T0: baseline, T1: at 25 min inhalation, T2: 1 h after inhalation, T3: 2 h after inhalation, T4: 6 h after inhalation, T5: 24 h after inhalation.