Fig. 1. Morphological changes in different types of CHO cells after plating on fibronectin and fibrinogen. CHO (A), ß1 (B), ß3 (C) and ß1-3-1 (D) cells were plated for 4 hours on slides coated with fibronectin. ß3 (E) and ß1-3-1 (F) cells were also plated for 4 hours on slides coated with fibrinogen. Staining of actin was observed by confocal microscopy. In G, the percentage of cells with central stress fibers was determined in CHO, ß1, ß3 and ß1-3-1 cells seeded on fibronectin-coated slides for 2, 4 and 16 hours. Error bars represent standard deviations from three separate experiments (^*P<0.05 compared with CHO cells).

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