Fig. 3
Cytokine release was inhibited by dexamethasone in patients with SS asthma and SR asthma. Neutrophils from peripheral blood of asthmatic patients(a, SS asthmatics; b, SR asthmatics) were incubated with dexamethasone (DEX) at 10−6 M or 10−4 M and/or asthmatic serum (SE) for 18 h. The supernatant was collected and analyzed by ELISA. Data are expressed as the means ± SD (a, b). c, Percentages of IL-8 levels for DEX or asthmatic serum compared with the amount of IL-8 produced by untreated cells (100%) are shown. * P < 0.05, ** P < 0.01, and *** P < 0.001 compared with the control groups