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Effect of OTA (0.0005, 0.005, and 4 μg/mL) on cell apoptosis-related proteins in differentiated Caco-2 cells. Protein extracts were immunoblotted for candidate proteins (a) and band densities were quantified (b). Results are the mean of three separate experiments performed in triplicate ± SD. * p < 0.05, significantly different from control group.
