Also, combination infections with ΔNp73β led to increased expression of additional basal keratinocyte genes (e.g. ITGA3, ITGB4, KRT6A, KRT16, COL7A1, and CDH1) and decreased expression of fibroblast genes (e.g. VIM, MME, and MMP1; S4 Table). The gene discussed is COL7A1; the disease is infection.