SOAT1 and staphylococcus aureus infection: KEGG pathway analysis indicated that the downregulated DEPs in the serum of NAFLD models mainly enriched in the complement and coagulation cascades, coronavirus disease COVID-19, systemic lupus erythematosus, Staphylococcus aureus infection, amoebiasis, JAK-STAT signaling pathway, and FoxO signaling pathway.