DC41-SMe is a DC1 derivative, shows cytotoxicity in Ramos, Namalwa, and HL60/s cells with IC50s ranging from 18-25 pM. DC1, a simplified analogue of CC-1065, is an antibody conjugate of cytotoxic DNA alkylators for the targeted treatment of cancer[1][2].
[1]. Zhao RY, et al. Synthesis and biological evaluation of antibody conjugates of phosphate prodrugs of cytotoxic DNA alkylators for the targeted treatment of cancer. J Med Chem. 2012 Jan 26;55(2):766-82. [2]. Kovtun YV, et al. Antibody-drug conjugates designed to eradicate tumors with homogeneous and heterogeneous expression of the target antigen. Cancer Res. 2006 Mar 15;66(6):3214-21.