TNF and hepatitis C virus infection: Further analysis of significantly enriched RNA expression genes revealed several key immune, inflammation, and apoptosis signaling pathways, including Hepatitis C (mmu05160), IL-17 signaling (mmu04657), Toll-like receptor signaling (mmu04620), TNF signaling (mmu04668), Glycosaminoglycan degradation (mmu00531), and cAMP signaling (mmu04024).