Psoriasis-like phenotype was scored from 0-4 for ear, tail, paw and snout. Shown is the cumulative score at therapy start (Day 14) and end (Day 28). Non-responders are c-Jun/JunB Δ/Δ K5-Cre-ERT2 mice treated with JNK Inhibitor, which showed disease-progression. (n = 2-8, 2 independent experiments). Data information: Data are shown as mean ± SEM. P‐values were calculated by paired, two-tailed t-test (L) Statistical significance: ns > 0.05, *P < 0.05, **P < 0.01, ***P < 0.001, **** P < 0.0001. See Appendix Table S3 for exact P‐values. 