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. 2019 Sep 3;10:2094. doi: 10.3389/fimmu.2019.02094

Figure 5.

Figure 5

Colonic secretion of pro-inflammatory mediators following vitamin D treatment of C. jejuni infected mice. Secondary abiotic IL-10−/− mice were treated with synthetic 25-OH-cholecalciferol (vitamin D, VitD, open circles) or placebo (PLC, closed circles) via the drinking water starting 4 days before peroral C. jejuni 81-176 strain infection on days 0 and 1. At necropsy (i.e., day 6 post-infection), (A) IL-6, (B) MCP1, (C) TNF, and (D) IFN-γ concentrations were determined in supernatants derived from colonic ex vivo biopsies. Uninfected and untreated mice (none, open diamonds) served as negative control animals. Medians (black bars), levels of significance (p-values) assessed by the Kruskal-Wallis test and Dunn's post-correction and numbers of analyzed animals (in parentheses) are indicated. Data were pooled from four independent experiments.