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Transepithelial electrical resistance (TEER) and permeability of Caco-2 cells in the presence of chemically processed ragweed (RW) pollen. (A) Schematic of the experiment, (B) TEER values before the addition of RW pollen, (C) TEER values after the addition of RW pollen or EDTA, and (D) FITC-dextran (MW 4 kD) permeability across the Caco-2 monolayer. Values shown are means ± SD for three independent experiments.
