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. 2021 Dec 21;12:796590. doi: 10.3389/fphar.2021.796590

FIGURE 5.

FIGURE 5

DG suppressed ileal FXR-FGF15 metabolic signaling to impact rate-limiting enzyme of hepatic bile acids (BAs) biosynthesis in high fat diet mice. (A) Relative mRNA expression of ileal FXR (n = 8). (B) Relative mRNA expression of liver BA synthase CYP7A1 (n = 8). (C) Relative protein expression levels of FXR and FGF15 in ileum (n = 6). (D) Immunofluorescence staining of ileal FGF15 (red, scale bar: 100 μm). Values were denoted as mean ± SEM. *p < 0.05; **p < 0.01; ***p < 0.001; ****p < 0.0001. Abbreviations: DG, diammonium glycyrrhizinate. FXR, farnesoid X-activated receptor. FGF15, fibroblast growth factor 15.