MRTFA and neoplasm: Delay of tumor re-growth was significant in all YM155 treatment arms of mice with MKL-1 xenografts (Figure 5A), relative to saline: 2mg/kg YM155 treatment for three weeks (8.6±2.5 days); 2mg/kg continuous YM155 treatment (15.8.6±3.2 days); and 4mg/kg continuous YM155 treatment (29.9±4.0 days) (Table S4 in File S3).