CASP4 and psoriasis: 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.