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Effect of obesity on selenoproteins in placenta of lean and obese women. A. Glutathione peroxidase (GPx) activity was measured as nmol NADP+/min/mg protein. Values are mean ± SEM. (a = p<0.05 vs obese male, n=6). B. Thioredoxin reductase (TrxR) activity was measured as nmol 2-nitro-5-thiobenzoate (NTB)/min/mg protein. Values are mean ± SEM. (a = p<0.05 vs lean male, b = p<0.05 vs obese female, n=5)
