The migratory activity of the HS578T-Hyg ZEB1-KO cells was rather slightly decreased as compared to the HS578T-Hyg breast cancer cells (HS578T-Hyg: 230 ± 12 cells vs. HS578T-Hyg ZEB1-KO: 158 ± 7 cells). The gene discussed is ZEB1; the disease is breast carcinoma.