Figure 5. Femoral vascular NADPH oxidase activity in LZR and OZR with or without apocynin treatment.
Basal superoxide levels were subtracted from the NADPH-stimulated superoxide levels and normalized by protein concentration. OZR exhibited significant high NADPH oxidase activity (*, p<0.05 vs. LZR). Apocynin treatment reduced NADPH oxidase activity in OZR significantly and had no effect on LZR (#, p<0.05 vs. OZR; n=6 for LZR, n=5 for OZR, n=6 for both LZR and OZR with apocynin treatment).