IL17A and psoriasis: In IMQ‐treated mice, subcutaneous NE injection aggravated psoriasis‐like manifestations, eliminated the difference in skin thickness between WT and Camk2gfl/flDat‐Cre mice, increased the number of IL‐17A+ γδT cells in skin and rescued the Camk2g deletion–induced reduction of this number (Figure 4d–f; Figure S4d,e, Supporting Information).