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Immunofluorescence images of EMT markers in human Papillary thyroid carcinoma cells TPC-1, BCPAP and K1. The three kinds of cells were treated with TNF-α (20 ng/mL) for 36h, respectively. Expression of E-cadherin (red), N-cadherin (red) and vimentin (red) were analyzed by immunofluorescence staining. Nuclei were visualized with DAPI staining (blue). Magnification, × 200, scale bars: 20 μm.
