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Immunohistochemistry of EMT markers in healthy respiratory epithelium. A: H&E, B: E-cadherin, C: β-catenin, D: Snail1, E: Snai2, F: Twist, G: Foxc2, H: N-cadherin (inset image, shows weak positive N-cadherin signal) and I: Vimentin. 50 μm scale bar (200X).
