Expression levels of Nrf2 target genes.
Esub n = 24, Wsub n = 21. Dark grey bars: Esub; light grey bars: Wsub (means ± SEMs). ∗p <0.05, ∗∗p <0.01, †p <0.05, ‡p <0.01, for baseline vs. 3 months. Within-group changes over time, between baseline and 3 months, for all variables were compared using paired t tests and independent t tests, or aANCOVA. GCLC, glutamate-cysteine ligase catalytic subunit; GCLM, glutamate-cysteine ligase modifier subunit; GPX2, glutathione peroxidase 2; HO1, heme oxygenase; mnSOD, manganese superoxide; NQO1, NADH quinone oxidoreductase; Nrf2, nuclear factor erythroid 2-related factor 2.