Fig. 6

The mRNA expression levels of IL-1β (a) and IL-4 (b) in ear tissue (E), and TNF-α (c), and IL-4 (d) in auricular lymph node (LN) in mice. IL, interleukin; TNF, tissue necrosis factor. ^**p < 0.01, ^***p < 0.001 vs. the NOR group; ^#p < 0.05, ^##p < 0.01, ^###p < 0.001 vs. the AD group