Fig. 4. Western blots of NRF-2 pathway. Western blots and respectively quantification after MCAO of NRF-2 (A and A'), Keap-1 (B and B') and HO-1 (C and C'). Western blots and respectively quantification after TBI of NRF-2 (D and D'), Keap-1 (E and E') and HO-1 (F and F'). *p <0.05 vs sham young; **p <0.01 vs sham young;***p <0.001 vs sham young; #p <0.05 vs sham old; ##p <0.01 vs sham old ; ###p <0.001 vs sham old; ° p <0.05 vs TBI young.