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Figure 2. Quantification of DAF-2 fluorescence and representative high power photomicrographs of the aortic rings (magnification 400X). A, Under basal conditions; B, after stimulation with 0.1 mM acetylcholine, and C, after stimulation with 0.1 mM bradykinin. Data are reported as means ± SEM; *P < 0.05 vs control, control plus L-arginine (L-arg) or diabetic plus L-arg (analysis of variance followed by the Bonferroni test). Reprinted, with permission, from Cavanal et al. (10).