In psoriasis, TNFα, and inducible nitric oxide synthase (iNOS)-producing DCs (Tip-DCs) and 6-sulfo LacNAc DCs (slanDCs) are reported as iDCs, and they induce T cells to secrete IL17, IL22, TNFα, and IFNɤ [14]. The gene discussed is IL17A; the disease is psoriasis.