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Time-course effect of IL-1β on Caco-2 TER and paracellular permeability. The effect of IL-1β (10 ng/ml) on Caco-2 TER and mucosal-to-serosal flux of paracellular marker, inulin were measured over a 72-h experimental period. A, Time-course effect of IL-1β on Caco-2 TER (n = 4). B, Time-course effect of IL-1β on transepithelial inulin flux (n = 3). C, Graph of TER vs inulin flux (r = 0.97).
