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Expression of EMT markers in ECRSwNP and ctl tissues. (A) The protein expressions of ZO-1, N-cadherin, E-cadherin, vimentin, PPAR-γ and HMGB1 were examined by western blot. (B, C, D, E, F, G) Quantitative analyses of EMT markers, PPAR-γ and HMGB1. Data were expressed as mean ± SD. *P < 0.05.
