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Effect of ECM on HUES-1 culture. (A–E) Phase contrast photomicrographs of HUES-1 cells cultured in hESF9 medium, in flasks coated with collagen (A), gelatin (B), fibronectin (C), laminin (D), and Matrigel (E). (F) Cells were cultured in KSR-based medium on type I collagen. (Scale bar, 200 μm.)
