Additional file 3: Figure S2.

BMP4 does not influence MDA-MB-361 cells grown in Matrigel but decreases cell proliferation in PEG gels. Cells were grown in Matrigel (a—c) or PEG gel (d—f) supplemented with 100 ng/ml BMP4 or vehicle. Images were taken as indicated in Figure  2 and representative examples from day 14 are shown. Scale bars 200 μm. (b, e) Cell proliferation and (c, f) area covered by cell clusters were measured and are presented as in Figure  2, *P < 0.05, **P < 0.01.

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Ampuja et al. BMC Cancer 2013 13:429   doi:10.1186/1471-2407-13-429