Methods Mice were sensitized by DNFB and FITC on the abdominal skin respectively, and challenged on the right ear, the left ear was treated with vehicle as the negative control.

• 方法分别以二硝基氟苯和荧光素-5-异硫氰酸盐作为致敏剂,以腹部致敏、耳部激发的方法建立两种ACD小鼠模型。