FIG. 7.

Generation of LTB₄ by unstimulated PMN and PMN challenged with fMLP (1 μM), S. epidermidis (2 × 10⁷ ml⁻¹), and PMA (10 ng ml⁻¹). PMN were incubated in buffer (open bars) or PDE (hatched bars). Results are expressed as mean (± SEM) amount of LTB₄ released (ng ml⁻¹) (n = 6, six dialysis effluents upon PMN from six donors). The asterisk indicates a P value of ≤0.05 (Mann-Whitney U test).