Review Article

Role of Bile Acids in Dysbiosis and Treatment of Nonalcoholic Fatty Liver Disease

Table 1

Bile acid receptor agonists for NAFLD in animal studies.

ReferencesModelAgent, mechanism, and durationFindings

McMahan et al. [98]Obese db/db mice with NAFLDINT-767, dual FXR/TGR5 agonist, 6 weeks(1) Improved the histological features of NAFLD
(2) Increased the proportion of intrahepatic monocytes with the anti-inflammatory phenotype
Roth et al. [99]ob/ob mice with NAFLDINT-767, dual FXR/TGR5 agonist, 6 weeks(1) Improved the histological features of NAFLD
(2) Reduced liver fibrosis, inflammation, and hepatocyte lipid droplet area
Jadhav et al. [100]TGR5, FXR, Apoe, and SHP knockout mice with diet-induced NAFLDINT-767, dual FXR/TGR5 agonist, 12 weeks(1) Reversed atherosclerosis and NAFLD
(2) Reduced high-fat diet-induced obesity dependent on activation of both TGR5 and FXR
Hu et al. [101]High-fat diet-induced rat NAFLDINT-767, dual FXR/TGR5 agonist, 4 weeks(1) Reduced lipid accumulation and hepatic infiltration of immune cells
(2) Restored lipid and glucose metabolism
Comeglio et al. [102]High-fat diet-induced rabbit metabolic syndromeINT-767, dual FXR/TGR5 agonist, 12 weeks(1) Alleviated NAFLD and fat alterations
(2) Restored insulin sensitivity and induced preadipocytes toward a metabolically healthy phenotype
Ma et al. [103]High-fat diet-induced mouse NAFLDGW4064, FXR agonist, 6 weeks(1) Ameliorated NAFLD and liver inflammation
(2) Reversed diet-induced hyperinsulinemia and hyperglycemia
de Oliveira et al. [104]Ovariectomized and high-fat diet-induced mouse NAFLDOCA (FXR) and INT-777 (TGR5), 4 weeks(1) Corrected NAFLD and metabolic changes
(2) Elevated energy expenditure and expression of key metabolic genes
Haczeyni et al. [105]Dietary and metabolic obesity mouse NAFLDOCA, 24 weeksImproved glucose tolerance and NAFLD in dietary but not metabolic obesity mouse
Liles et al. [106]High-fat, cholesterol, and sugar diet-induced mouse NAFLDGS-9674, FXR agonist, 90 days(1) Improved the histological features of NAFLD
(2) Decreased serum transaminases and liver fibrosis
Zheng et al. [107]High-fat diet-induced mouse NAFLDAltenusin, FXR agonist, 3 weeks(1) Reversed NAFLD, alleviated dyslipidemia and insulin resistance, and reduced body weight and fat mass
(2) No effect on FXR knockout mice
Zhang et al. [108]MCD diet-induced mouse NAFLDWAY-362450, FXR agonist, 4 weeks(1) Reduced inflammatory cell infiltration and fibrosis
(2) Protection was lost in FXR knockout mice
Carino et al. [109]High-fat/high-fructose diet-induced NAFLDBAR502, dual FXR/TGR5 agonist, 8 weeks(1) Alleviated NAFLD, increased insulin sensitivity, and elevated circulating levels of HDL
(2) Improved browning of white fat tissue
Carino et al. [110]High-fat/high-fructose diet-induced NAFLDBAR501, TGR5 agonist, 9 weeks(1) Reversed insulin resistance and NAFLD
(2) Promoted energy expenditure and the browning of white fat tissue. Lost effect in TGR5 knockout mice
Jin et al. [111]High-fat diet-induced mouse NAFLDAvermectin, FXR agonist, 14 days(1) Ameliorated NAFLD, reduced glucose levels, and improved insulin sensitivity
(2) Protection was FXR dependent

NAFLD: nonalcoholic fatty liver disease; db/db: diabetic/diabetic; ob/ob: obese/obese; FXR: farnesoid X receptor; TGR5: Takeda G protein-coupled receptor 5; SHP: small heterodimer partner; MCD: methionine- and choline-deficient; OCA: obeticholic acid.