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GPX7 overexpression inhibits IL-1β-induced lipid peroxidation and ferroptosis in chondrocytes. (A) C11-BODIPY assay indicated the level of lipid peroxidation. (B) FerroOrange assay indicated the ferrous ion levels. (C) Western blot analysis was used to determine the levels of ferroptosis-related proteins. **P<0.01 and ***P<0.001. GPX7, glutathione peroxidase 7; oe, overexpression; NC, negative control.
