- Proteasome inhibition results in TRAIL sensitization of primary keratinocytes by removing the resistance-mediating block of effector caspase maturation. Leverkus, M., Sprick, M.R., Wachter, T., Mengling, T., Baumann, B., Serfling, E., Bröcker, E.B., Goebeler, M., Neumann, M., Walczak, H. Mol. Cell. Biol. (2003)