TNF and metabolic dysfunction-associated steatotic liver disease: The results showed that the contents of serum interleukin-1 (IL-1), IL-8, and tumor necrosis factor-α (TNF-α) in the model group before the establishment of the model dropped hugely compared with those in the model group successfully established with NAFLD, and the comparison was statistically significant (P < 0.05) (Figure 7).