Figure 1: Aldara induces type I IFN- and TLR7-independent keratinocyte acanthosis and hyperproliferation.

(a,c) Quantification of acanthosis in the epidermis of WT129, A129, C57BL/6 and TLR7-ko mice. Error bars indicate s.d.; *P<0.05, **P<0.01 and ***P<0.001 (unpaired Student’s t-test), n=5, 2 separate experiments. (b,d) Hematoxylin and eosin (H&E) and Ki67 staining of skin of untreated or Aldara-treated WT129, A129, C57BL/6 and TLR7-ko mice. Scale bar, 50 μm.