Titration analyses of cytokine stimulation were performed as described in the accompanying study (26 (link)). To follow up on those studies, recombinant human (rh) TNFα (#300-01A, PeproTech, Rocky Hill, NJ) and rhIL-1β (#200-01B, PeproTech) were used in the following concentrations: MDA-MB-231 cells, MCF-7 cells, MSCs and CAFs: TNFα 10 ng/ml, IL-1β 350 pg/ml; MDA-MB-468 cells: TNFα 50 ng/ml, IL-1β 500 pg/ml; BT-549 cells: TNFα 25 ng/ml, IL-1β 350 pg/ml.
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