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Fig. 2 | BMC Cancer

Fig. 2

From: Il-6 signaling between ductal carcinoma in situ cells and carcinoma-associated fibroblasts mediates tumor cell growth and migration

Fig. 2

IL-6 neutralizing antibody (nAb) inhibits growth of MCF10.DCIS structures. Representative contiguous 16-tiled DIC images of MCF10.DCIS cells grown in MAME cultures for 8 days. MAME culture of MCF10.DCIS cells treated with an isotype-matched antibody against IgG (control) (8 days) (a), or 1 μg /ml IL-6 nAb (b) (8 days). MCF10.DCIS cells treated with IL-6 nAb followed by a 48 h treatment-free recovery period prior to imaging on day 10 (c). N = 3, Scale bars, 200 μm. d Diameter of MCF10.DCIS structures in the presence of control antibody, IL-6 nAb, or 48 h recovery from IL-6 nAb. N = 20-40 measurements /tiled DIC image (N = 3). ****P ≤ 0.0001, **P ≤ 0.01. e Evaluation of gene expression of invasive tumor cell markers in MAME cultures treated with IL-6 nAb (N = 3). Fold difference as compared to control cultures. Dashed line indicates 2-fold threshold. Student’s t-test; mean ± SD

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