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. 2003 Mar 18;88(6):944–950. doi: 10.1038/sj.bjc.6600838

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Copyright © 2003 Cancer Research UK

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uPA expression in 2 days MDA-MB-231 breast cancer cells inoculation model sections. The sections stained with MAb #394 are positive to uPA Mab (A) while the control sections with no primary antibody are negative to uPA MAb light grey (B). The dark grey colour indicates positive cancer cells. Isolated cells and cell clusters are apparent, with no evidence of capillary growth. Magnification: A, B × 100.