IL-8 release from human PMN exposed to LPS (10 μg/ml), GXM (250 μg/ml), encapsulated C. neoformans (6995), acapsular C. neoformans (7698), or acapsular C. neoformans (7698) plus GXM (250 μg/ml) (E:T, 1:5) in the presence of NHS or HIS or in the absence of serum. The results are given as the means ± standard errors of the means (error bars) of four separate experiments. ∗, P < 0.05 (treated versus untreated cells).