AR-C117977 is a potent MCT1 inhibitor, which can reduce vimmune responses both in vitro and in vivo, maintains long-term graft survival, and induces operational tolerance.
AR-C141990 hydrochloride is a potent inhibitor of lactate transporters known as monocarboxylate transporters (MCTs). It has pK i values of 7.6 and 6.6 for MCT-1 and MCT-2, respectively. Additionally, this compound exhibits immunosuppressive properties and effectively inhibits the graft versus host response.