Figure 4

Morphology and organization of HepG2 embedded in algMC with (upper panel) and without Matrigel (lower panel) after 2, 7 and 10 days of cultivation. Cell nuclei are stained in blue (DAPI) while cytoskeletons appear in green (actin staining with Phalloidin-iFluor 488); scale bars represent 50 µm.