- Glucocorticoids and IL-10, but not 6-MP, 5-ASA or sulfasalazine block endothelial expression of MAdCAM-1: implications for inflammatory bowel disease therapy. Oshima, T., Pavlick, K., Grisham, M.B., Jordan, P., Manas, K., Joh, T., Itoh, M., Alexander, J.S. Aliment. Pharmacol. Ther. (2001)