β-Catenin-IN-37 is a selective inhibitor of the protein-protein interaction between β-Catenin and T-cell factor (Tcf), known as β-cateninTcf PPI. It effectively inhibits canonical Wnt signaling and impedes the growth of colorectal cancer cells SW480 and HCT116, with IC50 values of 20 μM and 31 μM, respectively.
Streptonigrin is an aminoquinone antitumor and antibacterial antibiotic produced by Streptomyces flocculus. Streptonigrin inhibits β-CateninTcf signaling and shows cytotoxicity in β-catenin-activated cells. Streptonigrin induces delayed chromosomal instability involving interstitial telomeric sequences in Chinese hamster ovary cells. Note: Streptonigrin from natural resource is (-)-rotation, has CAS#3930-19-6 and is a R-isomer.