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. 2018 Jul 2;9:1439. doi: 10.3389/fmicb.2018.01439

FIGURE 6.

FIGURE 6

Increased TEER of Caco-2 cells with LaW37 is maintained during STM challenge. TEER values are displayed as average with SEM of triplicates Caco-2 wells grown on transwells for 21 days and are expressed as % of DMEM control with n = 3. STM DT12 7.5 × 105 CFU/tw challenge (as indicated by the arrow) was applied for 45 min after O/N incubation (17 h) of Caco-2 cells with LaW37 107 CFU/transwell. TEER was measured throughout the O/N incubation, before and after the challenge, and after O/N recovery in gentamicin medium (45 h). ANOVA with LSD post hoc was used to evaluate statistically significant differences (p < 0.05) compared to medium control at each time-point and p < 0.05 are indicated by asterisk (). SEM are displayed only on the positive side for the non-challenged samples and on the negative side for the samples challenged with STM.