PRDX1 and psoriasis: We examined the expression of Prdx1, Nqo1, Hmox1, and Gss. The RT-qPCR results showed that Prdx1 expression was upregulated in the skin lesions of IMQ-induced psoriasis-like mice and in the spleens and dLNs of MRL/lpr mice with sulforaphane administration (Figures 5D,E).