Diabetes also increased the average number of NOX2+ blood vessels/cm2 to 87 ± 12 in the ventricles and 116 ± 39 in the atria, compared with the control rats (ventricles: 48 ± 4; atria: 89 ± 14), albeit not significantly (Figure 2C). The gene discussed is CYBB; the disease is diabetes mellitus.