Research Article

The Role of Nrf2 Signaling in PPARβ/δ-Mediated Vascular Protection against Hyperglycemia-Induced Oxidative Stress

Figure 8

GW0742 decreases vascular ROS and NADPH oxidase activity. (a) The left panel shows blue fluorescence of the nuclear stain DAPI (×400 magnification), and the right panel shows arteries incubated in the presence of DHE which produces a red fluorescence when oxidized to ethidium by ROS. (b) Averaged values, mean ± SEM (–10 rings from different rats), of the red ethidium fluorescence normalized to the blue DAPI fluorescence. (c) NADPH oxidase activity measured by lucigenin-enhanced chemiluminescence (–10). and , diabetic versus control group. and , GW0472-treated diabetic versus nontreated diabetic rats.
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