(a) Trafficking of neutrophils (N), classical monocytes (cMOs), non-classical monocytes (ncMOs), B lymphocytes, CD4+ T lymphocytes, and CD8+ T lymphocytes to the peritoneal cavity as assessed 6 h after intraperitoneal stimulation with recombinant murine uPA, tPA, PAI-1, uPA-PAI-1, or tPA-PAI-1 in WT mice by multi-channel flow cytometry. The gating strategy and quantitative data are shown (mean±SEM for n=5 mice per group; #p<0.05 vs. saline; One-way ANOVA). 