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Expression of epithelial and mesenchymal markers in HVMs assessed by Western blot analysis. Western blot analysis of K19 (40 kDa, arrow) (a), SC-101 (145 kDa, arrow) (b), and vimentin (57 kDa, arrow) (c) in HVMs whole cell lysates. MCF-7 and HF were used as positive or negative control. Western blot with anti-tubulin antibody was used as loading control. The images are representative of at least three independent experiments.
