TNF and rheumatoid arthritis: In the SVG vs. VG comparison, DEGs were significantly enriched in 15 KEGG pathways, including Influenza A, Nitrogen metabolism, Rheumatoid arthritis, JAK–STAT signaling pathway, NOD-like receptor signaling pathway, Non-alcoholic fatty liver disease, NF-kappa B signaling pathway, TNF signaling pathway, Viral protein interaction with cytokine and cytokine receptor, Epstein–Barr virus infection, IL-17 signaling pathway, Virion-Herpesvirus, Protein digestion and absorption, MAPK signaling pathway, and Measles (Figure 5D).