- IL-18-binding protein expression by endothelial cells and macrophages is up-regulated during active Crohn's disease. Corbaz, A., ten Hove, T., Herren, S., Graber, P., Schwartsburd, B., Belzer, I., Harrison, J., Plitz, T., Kosco-Vilbois, M.H., Kim, S.H., Dinarello, C.A., Novick, D., van Deventer, S., Chvatchko, Y. J. Immunol. (2002)