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Viability of Caco-2 cells treated with OA, DTX1 and DTX2. Differentiated Caco-2 cells were incubated with increasing concentrations of (A) OA, (B) DTX1 and (C) DTX2 for 6, 8, 10, 12, 24, 48 and 72 h. 0.01% Triton X-100 treatment is also represented (D). Results are expressed as the percent of viability vs. control. Reported values are the mean ± SEM of three independent experiments performed in duplicate.
