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. 2020 Apr 16;13:175–185. doi: 10.2147/JIR.S244434

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© 2020 Gellatly et al.

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Human small airway epithelial cells (SAEC) mucin expression after 24 hrs of nicotine-free (NF) e-vapor (tobacco flavor) exposure. (A) MUC5AC protein in lysates of SAEC, detected by dot blot; representative dot blot from one subject shown below. (B) MUC5AC protein in apical supernatants of SAEC, detected by dot blot; representative dot blot from one subject shown below. (C) MUC5B mRNA in SAEC lysates. Each color represents a different subject. The square shape represents the smoker.