Experimental design for blocking JNK/c-Jun signaling in c-Jun/JunB Δ/Δ K5-Cre-ERT2 mice. Psoriasis-like disease was induced by injection of Tamoxifen (i.p., 5 days). Treatment with JNK Inhibitor (15 mg/kg, every other day, i.p.) started on day 14 for 2 weeks. 