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Figure 3 Relative ecNos expression. A representative immunoblot of ecNOS in the LVs of control (Con) and diabetic (Diab) rats. The last lane contains a human endothelial cell lysate (Human endo) as a positive control. Note the apparent slight differences in molecular weight between the rat and human ecNOS isoforms. Quantification of band densities indicated no differences in the relative levels of ecNOS between control and diabetic rats’ LVs.