SENP1-IN-1 may improve the sensitivity of tumor cells to irradiation[1]. SENP1-IN-1 (0.7-20 μM; 72 hours)has cytotoxic for Hella cells with an IC 50 of >20μM[1]. Cell Cytotoxicity Assay[1]Cell Line: Hela cells Concentration: 0.7 μM, 2.2 μM, 6.6 μM, 20 μM Incubation Time: 72 hours Result: IC 50 >20 μM