• Rastislav Kalanin, Tomas Gajdzik, Jana Katuchova, Silvia Farkasova Iannaccone, Peter Jarcuska, Stefan Hulik, David Adandedjan, Igor Gala, and Jozef Radonak.
• Bratisl Med J. 2024 Jan 1; 125 (1): 243224-32.

Abstracthe aim of our research is to prove, that the transplanted hepatocytes can survive and compensate for inadequate liver function in experimental animals. Thesis discusses the basic principles of hepatocyte transplantations, the process of their adaptation and effect on the organism as well as possibilities of their further use as a promising treatment method.In the experiment we used hepatocytes isolated and produced from explanted livers of laboratory rats. Hepatocytes form the basis of liver tissue and are responsible for a number of metabolic processes ocurring in the liver, therefore is the possibility of their use as a cell therapy one of the alternative treatment methods for liver failure.Into the laboratory experiment, rats of the Sprague Dawleyspecies were placed, which we divided into five groups of equal numbers. Groups consisted of healthy rats, rats after 2/3 liver resection and rats with liver damage induced by intraperitoneal administration of thioacetamide.Two groups with impaired liver had hepatocytes prepared in advance transplanted into their portal vein.Hepatocyte function was assessed in the blood serum and compared with a control group of healthy animals and groups with liver damage without the application of hepatocytes at the same time intervals.Whole experiment lasted 21 days. On the last day of the experiment all the animals were killed by decapitation.Livers of all animals were explanted and sent for histopathological analysis which used classical histological methods. After evaluating the results we observed significant changes of evaluated laboratory levels in blood serum and weight in experimental animals after the transplantation of hepatocytes in comparison with the laboratory results of the control group of healthy animals and groups with liver damage without transplanted hepatocytes. The results of our experiment show that by biochemical and histological analysis we managed to clearly prove the function of transplanted hepatocytes in the model of laboratory rat with impaired liver function (Tab. 5, Fig. 17 , Ref. 17) Keywords: liver, transplantation, hepatocytes, liver tumors, resection of liver, liver failure, experiment.

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