FIG. 4.
Effect of LT receptor antagonists on AM phagocytosis of K. pneumoniae. AMs were treated with LTB4 receptor antagonist LY292476) (1 μM), cysteinyl-LT receptor antagonist LY171883) (1 μM), or both for 15 min before the addition of opsonized K. pneumoniae. Data are expressed as the mean phagocytic index (percentage of control) ± SE (n = 4). ∗, P < 0.05 with respect to the control by ANOVA.