Figure 1

Morphology of undifferentiated AR42J-B13 cells and cells subjected to differentiation-inducing conditions, assessed by phase contrast microscopy on day 4. Undiff - undifferentiated cells; Diff control - differentiation control, with FBS, on plastic; FBS Fibro - differentiation medium, with FBS, on fibronectin; SF Fibro - differentiation medium, serum-free, on fibronectin; FBS Lam - differentiation medium, with FBS, on laminin; SF Lam - differentiation medium, serum-free, on laminin. Scale bar = 50 µm.