Tumor necrosis factor α down‐regulates expression of the α1(I) collagen gene in rat hepatic stellate cells through a p20C/EBPβ‐ and C/EBPδ‐dependent mechanism
María J. Iraburu, José A. Domínguez‐Rosales, Luis Fontana, Anitra Auster, Elena R. García‐Trevijano, Amador Covarrubias‐Pinedo, Ana María Rivas‐Estilla, Patricia Greenwel, Marcos Rojkind – 30 December 2003 – Tumor necrosis factor α (TNF‐α) is one of the key cytokines of the acute phase response and of many inflammatory processes. This cytokine has several antifibrogenic actions and down‐regulates the expression of the type I collagen genes and induces the expression of metalloproteinases.