Abstract
Assessment of the feasibility of fetal liver cells (FLC) for correction of a CCl4-induced acute toxic hepatitis was performed. Exposure to Cl4 in a dose of 3000 mg/kg caused well-defined centrilobular necrosis, hydropic, protein, carbohydrate, and adipose degeneration, as well as vascular disorders. The dynamics of morphological changes in the liver was studied, and the role of their intrinsic regenerative potential was assessed using pathomorphological, histochemical, and immunofluorescence methods. Phenotyping the cellular material was carried out to reveal expression of endodermal and mesodermal markers characteristic for the hepatic epithelium, hematopoietic stem cells, and mesenchymal cells. Three days after FLC transplantation, slowing down of necrotic and dystrophic processes in the liver parenchyma was observed. In some animals, the trabecular structure of the central hepatic zones was restored and, by 5th to 7th day of post-implantation, vascular disorders were eliminated. The resulting data can be considered as evidence for the use of fetal liver cells in the treatment of acute toxic hepatitis.
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