C Quantification of hair follicles (HF) with activated Caspase 3 (aCas3+), apoptotic cells in control (Ctr), K15ΔNLef1 and K15ΔNLef1;Bcl-2EOE mice (n=6 biological replicates; mean ± standard deviation (SD); *** p<0.001, two-way ANOVA test). 