Research Article

Effects of Tumor Necrosis Factor-α on Morphology and Mechanical Properties of HCT116 Human Colon Cancer Cells Investigated by Atomic Force Microscopy

Figure 2

AFM topography images of HCT116 cells treated without (a1) or with TNFα (20 ng/mL) for 2 days (b1) and 4 days (c1), showing cytoskeletal organization under the cell membrane. Bottom panels (a2, b2, and c2) are the corresponding deflection images. Scale bar represents 1 μm.