Rare steroid receptor-negative basal-like tumorigenic cells in luminal subtype human breast cancer xenografts

Kathryn B. Horwitz, Wendy W. Dye, Joshua Chuck Harrell, Peter Kabos, Carol A. Sartorius
PNAS Apr 1, 2008
… …Cancerous Breast Tis- sue. Normal human breast tissue was obtained from US Biomax. Breast cancer tissue arrays were purchased from Biochain. These were stained using a DAB system for CK5 and PR as described. Were also stained fluorescently for CK5 and PR. For analyses… …

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