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Relationship between alcoholic liver injury and endotoxin leakage from gut

 

 

 

 

Zhongguo Zhong Xi Yi Jie He Za Zhi. 2006 Sep;26(9):813-7.

 

Relationship between alcoholic liver injury and endotoxin leakage from gut and intervention effect of jianpi liqi huoxue decoction.

 

Fang ZH, Hu YY, Cui JW. Institute of Liver Disease, Shanghai University of Traditional Chinese Medicine.

 

OBJECTIVE: To study the effects and mechanisms of Jianpi Liqi Huoxue Decoction (JLHD) in anti-alcoholic liver injury (ALI) through the pathological relation of ALI with changes of intestinal permeability and endotoxin leakage. METHODS: The liver injury model induced by Lieber-DeCarli alcoholic forage was established. Altogether 42 male SD rats were randomly divided into 4 groups, the normal group (n=6), the control group fed with non-alcohol diet (n=12), the model group fed with alcoholic diet (n=12) and the treated group fed with alcoholic diet and treated with JLHD (n=12). The medicine or distilled water was administered by gavage from the 3rd week to the end of the 6th week. Then after fasting for 5 h all the rats except those in the normal group were given lipopolysaccharide (LPS) 10 mg/kg by gavage, and the blood plasma from portal vein, serum from inferior cava vein as well as tissues of liver and intestine were prepared for detection of plasma LPS level in the portal vein to observe the change of intestinal permeability through LPS content in portal vein blood plasma, the pathological and ultrastructural changes of the small intestine by HE staining, the pathological change of liver and triglyceride (TG) content and gamma glutamyl transpeptidase (GGT) activity in liver, the changes of serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activity, and plasma tumor necrosis factor-alpha (TNF-alpha) level. RESULTS: In rats after modeling, there were obvious fatty degeneration, significant increase of hepatic TG content and GGT activity, serum ALT and AST activity, as well as plasma TNF-alpha level, with high plasma LPS level indicating increased intestinal permeability, and seriously injured mucosa microvilla of small intestine. However, all the above abnormal changes were milder in the treated group than those in the model group. Meanwhile, the TNF-alpha content, endotoxin level and ALT activity were found to be positively correlated. CONCLUSION: JLHD could alleviate liver injury through inhibiting the alcohol induced increased intestinal permeability and lessening endotoxin leakage.

 

PMID: 17058832 [PubMed - in process]

 

Full Article Available Online

 

 

 

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