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  • Title: Influence of endotoxin on experimental post-alcoholic liver injury.
    Author: Boron-Kaczmarska A, Hryniewicz A, Kemona A, Szabados A, Puch U, Chrostek L, Szmitkowski M.
    Journal: Acta Physiol Hung; 1992; 79(4):399-408. PubMed ID: 1343192.
    Abstract:
    The morphological and biochemical changes of the liver after endotoxin intake were analyzed in rats receiving 20% ethanol during 60 days. Besides morphological changes, concentration of serotonin and histamine in liver homogenates, the activity of asparagine and alanine aminotransferases (AspAT, ALAT), gamma-glutamyltranspeptidase (GGTP) and alcohol dehydrogenase (ADH) in blood serum were determined, too. The most extensive morphologic changes of the liver were seen in group of animals intoxicated with 20% ethanol during 60 days and single dose of endotoxin E. coli 0127:B8 intraperitoneally. These changes included necrosis most hepatocytes, focal steatosis of liver parenchyma, considerable hyperemia and parenchymatous degeneration of the liver cells. The cells lining liver sinuses showed considerable swelling as well as necrotic changes. Figures of cell division and haemorrhagic focuses were seen, too. The clusters of mononuclear cells, surrounding necrotically changed hepatocytes were seen in the central part of the liver lobule. Among the inflammatory mediators estimated in liver homogenate only serotonin reached a high level in the group of experimental animals receiving only endotoxin. Increased activity of aminotransferases AspAt and ALAT were associated with these morphologic and biochemical changes in liver tissue observed in animals receiving ethanol and endotoxin.
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