期刊
FOOD & FUNCTION
卷 6, 期 5, 页码 1692-1700出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5fo00104h
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资金
- Ministry of Science and Technology in Taiwan [NSC97-2320-B-038-036-MY3]
Clinical and animal experiments indicated that gut-derived endotoxin and imbalanced intestinal microbiota contribute to the pathogenesis of alcoholic liver disease (ALD). In this study, we investigated whether synbiotic supplementation could improve ALD in rats by altering the intestinal microbial composition and improving the intestinal integrity. Male Wistar rats were divided into four groups according to plasma aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities and subjected to either a normal liquid diet (C), a normal liquid diet with synbiotic supplementation (C + S), an ethanol liquid diet (E), or an ethanol liquid diet with synbiotic supplementation (E + S) for 12 weeks. Results revealed that the ethanol-fed group showed increases in plasma AST and ALT activities, the endotoxin level, the hepatic triglyceride (TG) level, and hepatic tumor necrosis factor (TNF)-alpha, interleukin (IL)-1 beta and IL-6 levels, and a decrease in the hepatic IL-10 level. Ethanol-feeding also contributed to increased intestinal permeability and decreased fecal bifidobacteria and lactobacilli amounts. However, synbiotic supplementation effectively attenuated the plasma endotoxin, hepatic TG and TNF-alpha levels, and increased the hepatic IL-10 level. Furthermore, synbiotic supplementation protected the rats against ethanol-induced hyperpermeability of the intestine, and significantly increased amounts of bifidobacteria and lactobacilli in the feces. This study demonstrated that synbiotics possess a novel hepatoprotective function by improving the intestinal permeability and microbiota in rats with ethanol-induced liver injury.
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