MDA-MB-231 cells were obtained from American Tissue Culture Collection. Cancer associated fibroblasts were isolated from invasive breast ductal carcinoma and characterized in previous studies [95 (link), 96 (link)]. DCIS.com cells were generously provided by Fariba Behbod, PharmD, Ph.D (University of Kansas Medical Center). Raw 264.7 mcherry cells were generously provided by George Veilhauer, Ph.D (University of Kansas Medical Center, Kansas City, KS). All cell lines were cultured on plastic in DMEM media containing 10% FBS with 0.1% amphotericin, 1% penicillin-streptomycin (cat no. 30-004-CI, Cellgro).
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