Fig. 5From: Keratin 15 protects against cigarette smoke-induced epithelial mesenchymal transformation by MMP-9Krt15 regulates the EMT progression. A Masson staining and immunohistochemistry of E-cadherin and Vimentin. B and C expression of E-cadherin and Vimentin in IHC. D western blot analysis of Krt15, E-cadherin, and Vimentin. E MMP-9 concentration in BALF(pg/mL); **p < 0.01; ***p < 0.001Back to article page