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Curcumin triggers ferroptosis‐related changes in A549 and H1299 cells. (a)–(c) The MDA, SOD, GSH, and iron contents in A549 and H1299 cells were measured using corresponding kits. (d) The protein levels of ACSL4, SLC7A11, and GPX4 were examined by western blotting. All experiments were done more than three times independently, and all results are expressed as the mean ± SD. *P < 0.05, **P < 0.002, ***P < 0.0002, ****P < 0.0001 versus control group
