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Fig. 1 | Respiratory Research

Fig. 1

From: Effects of cigarette smoke on barrier function and tight junction proteins in the bronchial epithelium: protective role of cathelicidin LL-37

Fig. 1

Effects of CSE on airway epithelial barrier function. a. Time courses of TEER in Calu-3 cells cultured in ALI and exposed to a range of CSE concentrations. b. Analysis of TEER from Calu-3 cells after exposure to a range of CSE concentrations for 24 h. c. Analysis of permeability in Calu-3 cells after exposure to a range of CSE concentrations for 24 h. d. Trypan blue exclusion assays for cell viability of Calu-3 cells after exposure to a range of CSE concentrations for 24 h. All results are representative of at least two independent experiments. Data represent means ± SEM (n = 4–9 per group). *p < 0.05, **p < 0.01, ***p < 0.001 by one- or two-way ANOVA as appropriate

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