Figure 2: cNOS protein expression from ischemic brain tissue of vehicle or statin (20 mg·kg-1 simvastatin or 10 mg·kg-1 atorvastatin daily for 14 days) pretreated rats. Quantification of the expression of eNOS (A) or nNOS (B) level from ischemic brain tissue of vehicle (closed bars), simvastatin (gray bars) or atorvastatin (open bars)-treated groups. The percentage of eNOS and nNOS expression at each time is normalized versus the expression (100%) measured after 3 h of untreated ischemia. All values are mean ± SEM of n=6. *P< 0.05 vs. vehicle-pre-treated group, +P< 0.05 vs. vehicle-pre-treated group after 3 h of pMCAO.