Journal
HEPATOLOGY
Volume 38, Issue 2, Pages 436-442Publisher
WILEY
DOI: 10.1053/jhep.2003.50348
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Fatty acid bile acid conjugates (FABACs) are a new family of synthetic molecules designed to solubilize biliary cholesterol. They were shown to prevent and dissolve cholesterol gallstones in inbred C57L/J mice fed a lithogenic, high-fat diet (HFD). In these mice, fatty liver was observed in the controls but not in the FABAC-treated ones. The present study was designed to study the effect of FABAC (arachidyl-amido-cholanoic acid) on diet-induced fatty liver in rats, hamsters, and mice. The fatty liver score (on a scale of 0-4 by light microscopy) was 4.0 in control hamsters and 0.3 in the FABAC-fed hamsters (P < .001). In mice it was 1.5 and 0.4, respectively (P < .01). The lipid/protein ratio in the liver was 1.3 +/- 0.44 (mg lipid/mg protein) in control rats and 0.66 +/- 0.04 in the FABAC group (P = .001) after 14 days. In hamsters it was 1.41 +/- 0.27 and 1.11 +/- 0.20, respectively (P = .03), after 21 days. In Imperial Charles River (ICR) mice the ratio was 0.34 +/- 0.10 and 0.17 +/- 0.07 (P = .03), respectively, after 24 days. Liver fat concentration, measured as mg lipid/g liver tissue, decreased similarly by FABAC feeding. The decrease in liver fat affected mainly the triglyceride levels. FABAC-fed animals gained weight similarly to the controls. Triglyceride absorption was unaffected by FABAC supplementation. In conclusion, oral FABAC therapy prevents/reduces the development of fatty liver in animals consuming a HFD.
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