TNF and type 2 diabetes mellitus: The results of ELISA showed that the levels of anti-inflammatory factor IL-10 in serum of rats in the T2DM group were significantly lower (Figure 3(a)) and the levels of proinflammatory factors IL-6 (Figure 3(b)) and TNF-α (Figure 3(c)) were significantly higher (P < 0.05) compared with the control group.