SOD1 and type 1 diabetes mellitus: Additionally, the treatment of STZ-induced T1DM mice with adoptively transferred dBMCs resulted in significant decrease in the level of serum SOD comparing to that in STZ-induced T1DM mice received sodium citrate buffer (81.5 ± 2.50 nmol/ml versus 119.5 ± 1.50 nmol/ml) (Fig. 7C).