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. 2022 Mar 9;12:854879. doi: 10.3389/fcimb.2022.854879

Figure 1.

Figure 1

Microbial regulation of Bile Acids in NAFLD. ①: Microbial modification of primary BAs to secondary BAs. ②: Microbial regulation of BAs synthesis. ③: Microbial regulation of BAs transport, and reabsorption. (BESP, bile salt export pump; MRP2, multidrug resistance protien 2; BAs, bile acids; BSH, bile salt hydrolase; β-MCA, β-murocholic acid; CA, Cholic acid; CDCA, Chenodeoxycholic acid; CYP7A1, cytochrome P450 family 27 subfamily A member 1; CYP7B1, cytochrome P450 family 7 subfamily B member 1; DCA, deoxycholic acid; FXR, farnesoid X receptor; FFA, free fatty acid; IBABP, ileal bile acid binding protein; LCA, lithocholic acid; NAFLD, non-alcoholic fatty liver disease; SHP, small heterodimer partner; SREBP-1, sterol regulatory element binding protein-1; TβMCA, tauro-β-muricholic acid; TC, total cholesterol; TMAO, trimethylamine oxide; UDCA, ursodeoxycholic).