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Fig. 6. Expression of hair follicle differentiation markers. (A-D) Untreated
wild-type anagen follicles. (E-H) Dorsal back skin of D2 transgenic mice
treated with 4OHT for the periods indicated. (I-L) Dorsal paw skin of D4
transgenic mice treated with 4OHT for 5 days. Paraffin sections were
immunostained with (A,E,I) anti-keratin 17, (B,F,J) anti-CDP, (C,G,K)
anti-trichohyalin, or (D,H,L) anti-Lef1 antibodies and counterstained with
Haematoxylin. Arrows in F and H indicate positive staining in the epithelial
outgrowths from pre-existing follicles. Scale bar: 100 µm.