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(A) Permeability of filter-grown differentiated 14 days postconfluent Caco-2 cells for 4 kDa fluorescein isothiocyanate-dextrane and IL-8 cytokine secretion (B) were not affected by 48 h incubation with bovine colostrum (BC) or fetal bovine serum (FBS) compared to complete media (CM, control), n = 4 per assay and per group.
