Hepatic mRNA concentrations of Glucokinase and Glycogen synthase kinase 3β (A), protein ratio between p-GSK3β and GSK3β (B); and mRNA concentrations of cyclooxigenase-2, inducible Nitric Oxide Synthase, Tumor Necrosis Factor α and Interleukin 6 and 1β (C) and of Glutathione Peroxidase and Reductase, Super Oxide Dismutase 1, NADPH oxidase 1 and 4 and Lipoxygenase (D) of young rats, old rats and old rats treated 21 days with the Oil Mixture and the OLE. Values are represented as mean ± SEM. * p < 0.05 vs. Young; ** p < 0.01 vs. Young; *** p < 0.001 vs. Young; # p < 0.05 vs. Old; ## p < 0.05 vs. Old.