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. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Biomaterials. 2010 Feb 24;31(14):3920–3929. doi: 10.1016/j.biomaterials.2010.01.118

Fig. 5.

Fig. 5

Immunostaining with sialomucin (red) and GM130 (green) showed the polarity of the alveolar structures formed by tri-cultured MCF10A cells on silk scaffold (b1-b3, day 6), which is similar to the positive control of human native breast tissue (a1-a3) in comparison to the co-cultures (c1-c3, d1-d3). The cell nucleus was counter-stained by DAPI (blue). Reversed polarity was also observed in the monoculture (e1-e3, day 6).