Figure 4.

Effect of 300 pg/mouse AT-RvD1 on dermal mast cell infiltration in hairless mouse skin exposed to 4.14 J/cm² UVB radiation. The number of mast cells (A) and representative images of mast cells in the toluidine-blue-stained dermis (B). Skin samples were collected 12 h after the exposure. Arrows indicate mast cells. Bars represent means ± SEM. Two separate experiments with five groups of 5 mice per group per experiment were performed. Statistical analysis was performed by one-way ANOVA, followed by Tukey´s post hoc test. * p < 0.05 compared to the nonradiated control group (orange bar); # p < 0.05 compared to the radiated control group (purple bar).