To examine the role of SATB1 in maintaining the BCSC population, the lentivirus GV287-SATB1 was selected to overexpress SATB1 in MCF-7 breast cancer cells, while the shRNA-lentivirus GV115-SATB1-shRNA was selected to knockdown SATB1 in BT-549 cells. Here, SATB1 is linked to breast cancer.