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. The gene discussed is IRF1; the disease is psoriasis.