(A) Relative cell viability of cells transfected with siCon (WT), siEWS (EWS KD), PARP1 (PARP-1 KD), and double siRNA (DKD) after MMS treatment. Error bars represent as mean ±SEMs, and technical repeats (n=3). Significance determined by Two-way ANOVA, ***P < 0.001. Analysis (***) indicates differences between DKD with EWS KD. 