text:  Mammary fat pad tumor from MDA-MB-231 cells ablated with control shRNA, Replicate 1 Mammary fat pad tumor from MDA-MB-231 cells ablated with control shRNA host strain: athymic nude mice;host strain gender: female;host strain genotype/variation: Crl:NU(NCr)-Foxn1nu;injected with: MDA-MB-231 cells;genotype/variation: ablated with control shRNA;tissue: xenograft tumor after 35 days