FIGURE 2 | Immunoreaction-related ssGSEA analysis in GSE41664 and GSE5281. (A, B) SsGSEA scores of immunoreaction gene lists in each subgroup in GSE41664 and GSE5281. (C, D) Heatmap of immunoreaction gene lists in GSE41664 and GSE5281. P-value < 0.05 were considered statistically signi fi cant. PN, non-lesion skin tissue of plaque psoriasis; PP, lesion skin tissue of plaque psoriasis; NOR, hippocampus tissue of the normal aged; AD, hippocampus tissue of