T-5224，50MG，SML3778-50MG，Sigma

Biochem/physiol Actions

Orally active, selective AP-1 transcription complex c-Fos/c-Jun inhibitor with therapeutic efficacy in a murine model of arthritis in vivo.
T-5224 is an orally active, selective AP-1 transcription complex c-Fos/c-Jun inhibitor that blocks c-Fos and c-Jun DNA-binding activity, but not that of C/EBPα, ATF-2 (bZIP domain), MyoD (bHLH domain), Sp-1 (ZF domain) and NF-κB/p65 (RHD). T-5224 inhibits PMA-induced Fos/AP-1 promoter activity (IC50 ~4 μM by NIH/3T3 reporter assay) without affectingTNFα-stimulated NF-kB activity or the cellular levels of c-Fos family protein members. T-5224 exhibits therapeutic efficacy against collagen-induced arthritis (CIA) in mice in vivo (0.3-30 mg/kg/d p.o.).