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Figure 5 A. Representative Western blot photograph for endothelial nitric oxide synthase (eNOS) protein induction in the left ventricle of LETO, untreated-OLETF, and treated-OLETF rats at 30 weeks. B. Quantitative comparison of eNOS protein expression in the left ventricle among the groups. Values are the percentages of the average value of the LETO rats and are expressed as mean ± SD (n = 5 for each group). *p < 0.05 versus LETO rats; p < 0.05 versus untreated-OLETF rats. Abbreviations as in Figure 1.