KRM-III is a potent and orally active T-cell antigen receptor (TCR) inhibitor. KRM-III inhibits TCR- and phorbol myristate acetate/ionomycin-induced activation of nuclear factor of activated T cells (NFAT) and T-cell proliferation with an IC50 of ~5 μM. Anti-inflammatory activity[1].
[1]. Eun Joo Jung, et al. Oral administration of 1,4-aryl-2-mercaptoimidazole inhibits T-cell proliferation and reduces clinical severity in the murine experimental autoimmune encephalomyelitis model. J Pharmacol Exp Ther. 2009 Dec;331(3):1005-13.