Figure 4. High-resolution scanning electron micrographs of cells cultured on US (A, D, G, J), MS (B, E, H, K), and NS (C, F, I, L) in presence or absence of 0.1 µM PF-573228 at 24 h. Scale bars: A, B, C, G, H, and I=10 µm; D, E, F, J, K, and L=1 µm.
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