CD4 and psoriasis: Among them, Macrophages.M2 and Mast.cells.resting presented high levels of infiltration in control groups, while T.cells.gamma.delta, Dendritic.cells.activated, T.cells.CD8, T.cells.CD4.naïve, and NK.cells.resting exhibited high levels of infiltration in psoriasis groups (Fig. 8a).