The famous versus the inconvenient - or the dawn and the rise of 3D-culture systems

Figure 1 Cross section of a resin embedded co-culture of a hepatoma cell line (C3A) and immortalized BCE in polylactic-co-glycolic acid foam. Medium inflow from the lower left side into the polymer foam (arrowhead). Staining of cytokeratin 18 (green, C3A cells), vimentin (red, BCE cells), Draq5 nuclear stain (blue, both cell types). Scale bar: 250 μm.