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. 2015 Dec 1;5:17576. doi: 10.1038/srep17576

Figure 2. Lysyl Oxidase Activity reduces Drug Diffusion Rate in Multicellular Tumor Spheroids.

Figure 2

(A) Time course of doxorubicin diffusion in tumor spheroids generated from murine 4T1 breast carcinoma, MT6 fibrosarcoma, EMT6 breast carcinoma and Lewis Lung Carcinoma cells after cultivation at 20% or 2% oxygen. (B) Absolute diffusion rates into tumor spheroids. Images acquired on a laser scanning confocal microscope (n = 12), Scale bars: 100 μm, Error bars: ±SEM.