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. 2010 Jan 15;5(1):e8713. doi: 10.1371/journal.pone.0008713

Figure 1. Wd-NHBE cells in vitro cultured in ALI (A) for 7 days and for (B) 21 days show the pseudostratified columnar type epithelium by H&E staining.

Figure 1

(C) Positive staining of FITC-conjugated β-tubulin on apical surface of epithelium confirms the presence of cilia and (E) positive staining of biotinylated MUC5AC indicates the presence of mucin secreting goblet cells. Human bronchus stained with (D) FITC-conjugated β-tubulin and (F) biotinylated MUC5AC showed the presence of both ciliated and mucus secreting goblet cells along the epithelium. (G) Transepithelial resistance and (H) HAT mRNA expression by of the differentiating NHBE culture from D1 to D21 ALI culture.