Fig. 6From: Upregulation of inducible NO synthase by exogenous adenosine in vascular smooth muscle cells activated by inflammatory stimuli in experimental diabetesResidual concentration of adenosine and its metabolites as measured by HPLC following incubation with adenosine, AMP or inosine (all 100 µM) for 24 h in cell-free culture medium (a) or the culture medium of VSMCs from control (b) and STZ-diabetic rats (c). The values represent the mean ± SEM (n = 10)Back to article page