Research Article

Association between Related Purine Metabolites and Diabetic Retinopathy in Type 2 Diabetic Patients

Figure 3

Comparison of four potential biomarkers concentrations in healthy subjects (normal), type 2 diabetes patients without retinopathy (DM), and type 2 diabetes patients with retinopathy (DR). Compared to the group of normal and DM, DR subjects had significantly higher mean plasma concentrations of inosine ( , ), adenosine ( , ), uric acid ( , ), and xanthine ( , ). The group of DM had significantly higher mean plasma concentrations of uric acid ( ) compared to the normal group.
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