L3055 cells were stained with MoAb against adhesion molecules CD11a, b, c, and CD54 after (A) 24 hours or (B) 72 hours of treatment with (i) CD40L alone, (ii) IL-4 alone, or (iii) CD40L with IL-4. Untreated control cells are shown for comparison as a superimposed thin line on each histogram.