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Figure 5 Localization and Expression Levels of eNOS

(A) Immunohistochemical staining for endothelial nitric oxide synthase (eNOS) and phospho-eNOS (p-eNOS) from rat hearts after reperfusion in the control and rHDL groups. Representative sections are shown (magnification x800). (B) The rHDL activated p-eNOS after 10 min in human coronary artery endothelial cells. Representative pictures are shown. The graph shows the ratio of p-eNOS to total eNOS relative to 1.0 for no treatment. *Significant increase (p < 0.05) versus no treatment. Abbreviations as in Figure 1.