Fig. 3

GQD inhibited ferroptosis in DSS-induced colitic mice. A–C The level of Fe2⁺, GSH, and MDA in mouse colon tissue. D Electron microscope images of mouse colon tissue, enlarged image showing mitochondria, scale bar = 500 nm. E–H The protein levels of GPX4, SLC7A11 and ACSL4 in mouse colon tissue. Compared with control group, ^#P < 0.05, ^##P < 0.01; compared with DSS group, *P < 0.05, **P < 0.01