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Moreover, studies have found that compared to healthy controls, PCOS patients exhibit downregulated expression of genes including ferritin heavy chain 1 (FTH1), HAMP, GPX4, A2M, and HP, and upregulated expression of nuclear receptor coactivator 4 (NCOA4), along with enhancement in lipid peroxidation, serum ferritin, and total protein content, and inhibition in peroxidase activity (140)

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Gamma-glutamyltranspeptidase from Proteus mirabilis : localization and activation by phospholipids

It relies on other nutrients to "recycle" it back into its active form once it has neutralised a free radical

Patakfalvi R, Oszk A, Dkny I: Synthesis and characterization of silver nanoparticle/kaolinite composites