Effects of probiotics on IL-8 secretion in inflammatory HT-29 cells. All values except for control are mean ± SD (n = 3). Bars with the same letter are not significantly different from one another determined by Duncan’s multiple range test, p < 0.05. C, control; I, TNF-α (20 ng/mL) with lipopolysaccharide (LPS) (1 μg/mL); A, L. acidophilus at MOI of 1 with TNF-α (20 ng/mL) and LPS (1 μg/mL); B, B. animalis subsp. lactis at MOI of 10 with TNF-α (20 ng/mL) and LPS (1 μg/mL); AB, L. acidophilus at MOI of 1 and B. animalis subsp. lactis at MOI of 10 with TNF-α (20 ng/mL) and LPS (1 μg/mL).