Figure 6. Atorvastatin restored the expression of tight junction proteins in the cortex of aged ApoE-/- mice. (A) mRNA of ZO-1 and occludin was measured by RT-PCR; (B) Protein of ZO-1 and occludin was measured using immunostaining (*, P<0.05 vs. vehicle; #, P<0.05 vs. ApoE-/- mice group).