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Background. The increasing incidence of colon malignant tumors is one of the most urgent matters of contemporary medicine. In the study of carcinogenesis of the colon the attention is paid to the state of the body’s immune system and activation of inflammatory processes in experimental animals. Objective. The aim of the study was to estimate the level of markers of inflammation in the serum of experimental animals with chemically induced carcinogenesis and their dynamics in case of administration of the cytostatic Vincristine secondary to AUT-M carbon enterosorbent. Methods. The study was performed on white male rats. Animals were modeled for colon cancer by administration of 1.2-dimethylhydrazine hydrochloride at a dose of 7.2 mg/kg body weight for 30 weeks. AUT-M enterosorbent was administered intragastrically daily during 7 and 21 days after modeling of carcinogenesis at a dose of 1 ml of suspension (corresponding to 0.2 g of drug weight) per 100 g of animal body weight. The antitumor drug was administered to the animals with induced carcinogenesis intragastrically daily during 14 days at a dose of 0.23 mg/kg of body weight after a 21-day detoxification therapy. The activity of inflammatory processes was evaluated by the content of pro-inflammatory interleukin 6 and anti-inflammatory interleukin 4, C-reactive protein in the serum of experimental animals. Results. It was established that introduction of 1.2-dimethylhydrazine hydrochloride in the rats caused changes in the cytokine profile and the content of C-reactive protein. In the affected animals an increase in the content of pro-inflammatory interleukin 6, C-reactive protein, as well as a decrease in the content of antiinflammatory interleukin 4 was evidenced in all periods of the study. AUT-M enterosorbent contributed to normalization of these parameters. The cytostatic Vincristine had a negligible effect on development of inflammatory processes in the studied animals. Conclusions. In cases of induced carcinogenesis, an imbalance in the content of proand anti-inflammatory cytokines, an increase in the content of acute-phase C-reactive protein was established. The positive effect of the cytostatic Vincristine secondary to a previous detoxification therapy with AUТ-M sorbent during a progressive development of inflammatory processes in the presence of modeled carcinogenesis was evidenced.

INFLAMMATION AND IMPACT OF VINCRISTINE AND ENTEROSORPTION USE IN CHEMICALLY INDUCED COLON CARCER IN RATS