Mucin layer reduces FITC-dextran diffusion across the intestinal epithelial cells monolayer.

Rate of diffusion of FITC-dextran across mucin alone, IEC-18 cell monolayer alone, or IEC-18 cell monolayer with a mucin layer after exposure to serum free media alone (SFM) or serum free media with trypsin (SFM+Try). Values are mean ± SEM (n = 4), **P<0.001 compared to SFM cells alone, †††P<0.001 compared to SFM+tryp cells alone, §§§P<0.0001 compared the other groups. (One-way Anova fallowed by Bonferroni’s post-hoc).