Additional file 2.

Parental MDA-MB-231, BR3, BR and shRNA transfected variant cells were injected into mammary fat pads of nude mice at an inoculum of 5X106 cells/0.1 ml. After 7 weeks, mice were sacrificed and tumor formation was compared. Statistical comparison by Fisher’s exact test is expressed as p > 0.05 for both BR and BR3 groups.

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Liu et al. BMC Cancer 2012 12:583   doi:10.1186/1471-2407-12-583