Figure 2. MC infiltration in ear skin is dependent on E7 hyperplasia.

E7.Rb^mut ear skin is not hyperplasic and contains normal MC numbers. (A) Representative images of E7.Rb^wt and E7.Rb^mut ear skin by toluidine blue stain (original magnification ×400, scale  = 50 µm). (B) MC number per mm cartilage length (n = 3 in each group). ***p<0.001 by unpaired t-test for indicated comparison. Rb^wt are same as C57.