Acute toxic hepatitis in male Wistar rats was produced by single injection of 40% CCl(4) (0.2 ml per 100 g body weight in oil). Pretreatment with various immunostimulators (bacterial polysaccharides prodigiozan and salmozan; yeast polysaccharides zymosan, peptidoglycan, and mannan; and hydrolytic enzyme egg lysozyme) produced a hepatoprotective effect correlating which the stimulatory influence on macrophages and increasing in the following order: mannan
Acute toxic hepatitis was modeled in (CBAxC57B1)F1 mice by single injection of 40% CCl(4) in oil. Pretreatment with gadolinium chloride, a selective blocker of Kupffer cells, considerably potentiated damage to hepatocytes leading to generalization of this process, delayed inflammatory infiltration, and inhibited reparative processes. Zymosan administered against the background of gadolinium chloride blockade improved liver resistance to CCl(4)-induced damage, intensified mononuclear infiltration, and accelerated reparative processes.
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