However, there were no statistically significant alterations in the evaluations of GSK-3β protein expression in hippocampus (Figure 2(b)) and TAU protein in hippocampus (Figure 2(c)) and cortex (Figure 3(d)) (p> 0.05) after 60 days of endotoxemia. This evidence concerns the gene GSK3B and serum lipopolysaccharide activity.