Then we took the intersection between Co-DEGs and PRGs, and obtained 16 PDGs in psoriasis (Fig. 2E), namely, AIM2, AXL, BAK1, CASP1, CASP4, CASP5, CASP7, CDK1, CFLAR, GPX4, GZMA, GZMB, IL18, IRF1, PYCARD, and TP63. This evidence concerns the gene CASP7 and psoriasis.