L-selectin expression on BrdU-labeled PMN in the circulation at baseline (A), at 12 hours (B), and at 24 hours (C) after IV injection of either 2.0 mg/kg dexamethasone (n = 6) or saline (n = 6) using the immunocytochemical grading system (see Materials and Methods). Values are expressed as the means ± SEM. The percentage of BrdU-labeled PMN with strong expression of L-selectin was low at 12 and 24 hours after dexamethasone treatment, with no change in the controls. *P < .01 compared with baseline; †P < .01 compared with control; Dex, dexamethasone.