Tumor initiating but differentiated luminal-like breast cancer cells are highly invasive in the absence of basal-like activity.
Kim J, Villadsen R, Sørlie T, Fogh L, Grønlund SZ, Fridriksdottir AJ, Kuhn I, Rank F, Wielenga VT, Solvang H, et al. Proc Natl Acad Sci U S A. 2012 Apr 17; 109(16):6124-9. Epub 2012 Mar 27.