[1]Benzothieno[2,3-b]pyridine-3-carboxamide, N-[4-(aminosulfonyl)phenyl]-1,2,5,6,7,8-hexahydro-4-hydroxy-2-oxo-

M435-1279 is a UBE2T inhibitor. M435-1279 inhibits the Wnt/β-catenin signaling pathway hyperactivation through blocking UBE2T-mediated degradation of RACK1[1]. M435-1279 (0, 2, 4, 8, 16, 31 μM; 48 h) significantly inhibits the growth of HGC27, AGS, and MKN45 cells[1].M435-1279 (0, 4, 8, 12, 16, 20 μM) inhibits the cell viability with IC50s of 16.8, 11.88, 6.93, 7.76 μM of GES-1, HGC27, MKN45, AGS cells, respectively[1].M435-1279 (31 nM to 500 μM) binds to UBE2T with a KD value of 50.5 μM[1].M435-1279 (11.88 μM; 48 h) inhibits the ubiquitination of RACK1 and the hyperactivation of the Wnt/β-catenin pathway[1]. M435-1279 (5 mg/kg/day; intratumor injection for 18 days) slows the tumor growth[1].M435-1279 induces higher RACK1 proteins expression, and lower Ki-67 and β-catenin proteins expression in intratumor tumors[1].

[1]. Yu Z, et al. A novel UBE2T inhibitor suppresses Wnt/β-catenin signaling hyperactivation and gastric cancer progression by blocking RACK1 ubiquitination. Oncogene. 2021 Feb;40(5):1027-1042. doi: 10.1038/s41388-020-01572-w. Epub 2020 Dec 15. Erratum in: Oncogene. 2021 Apr;40(14):2622-2623.