Activated epithelial cells and innate immune cells also release pro-remodelling factors, such as epidermal growth factor receptor (EGFR) ligands, and transforming growth factor (TGF)- , which trigger goblet cell hyperplasia, EMT, fibroblast activation, and airway smooth muscle cell proliferation and hypertrophy ( 5.1 Epithelial structural changes in asthma Asthmatic airways show increased numbers of basal cells with an impaired proliferation and differentiation capacity, goblet cell hyperplasia and an imbalance in the production of mucins, with increased MUC5AC and reduced MUC5B ( Figure 2 ) (4850)
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Cigarette left the sides of the water-level platform open for easy boarding and debarking
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The report says there is not enough research comparing e-cigarettes with FDA-approved smoking cessation aids to reach a conclusion
