PTGS2 and neoplasm: Subsequent analysis of ferroptosis marker prostaglandin-endoperoxide synthase 2 (Fig. 10C) (Chen et al., 2021a), GSH (Fig. 10D), MDA (Fig. 10E), and MUFA OA levels (Fig. 10F) confirmed the role of SLC25A22 in inhibiting RSL3-induced ferroptosis in isolated tumor.