TRAIL expression on CD4⁺Vα24NKT cells before and at intervals following stimulation with α-GalCer–pulsed DCs.

Data are shown as histograms for staining with anti-TRAIL mAb (RIK-2) (shaded histograms) or with isotype-matched IgG1 control (open histograms) as determined by flow cytometry. Day 0 (d = 0) is before stimulation.