Effects of 5-Hydroxypyrimidine Derivatives on Tumor Growth and Lifespan of C57BL/6 Mice with Epidermoid Lung Carcinoma

The effects of intraperitoneal administration of SNK-411 (2-isobutyl-4,6-dimethyl-5-hydroxypyrimidine) in a dose of 25 mg/kg (the total dose of 350 mg/kg) and SNK-578 (hydrochloride of 2-isobutyl-4,6-dimethyl-5- hydroxypyrimidine) in a dose of 10 mg/kg (the total dose of 140 mg/kg) on tumor growth and concentration of cytokines in the blood serum were studied in female CBA mice. Substances were administrated from the 2nd to 15th days of tumor development. Tumor growth inhibition (TGI) and serum cytokine level were studied on the 7th day after the end of compounds administration (21st day of tumor growth). In intact control group (n=10) median tumor mass was 1255 mg. TGI in the group of animals treated with SNK-411 was 47%; in the group of mice treated with SNK-578 TGI was 87%, tumor mass demonstrated 7.4-fold reduction. Serum concentrations of cytokines (IL-6, IL-10, IL-17A and IFN-γ) in tumor-bearing group of mice were higher versus the intact control group by 229%, 40%, 60% and 81%, respectively. Highly active SNK-578 decreased concentrations of prooncogenic IL-10, IL-17A and proinflammatory IL-6, by 61%, 70% and 29% as compared to tumor-bearing control group. SNK-411 decreased concentrations of prooncogenic IL-10 and IL-17A by 48% and 60%, respectively, and did not affect concentration of IL-6. Taking into consideration that IL-6 participates in autoimmune reactions, we can assume that the immune control is one of the crucial mechanisms of antitumor effect of SNK-578. All results are statistically significant.

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Effect of 5-hydroxypyrimidine derivatives on tumor growth and cytokine concentration in blood serum of female CBA mice with cervical cancer (RSHM-5)

Коваленко

Коржова

Зайнуллина

et al. 2021

BIOMED KHIM

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Effects of 5-Hydroxypyrimidine Derivatives on Tumor Growth and Lifespan of C57BL/6 Mice with Epidermoid Lung Carcinoma

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Effect of 5-hydroxypyrimidine derivatives on tumor growth and cytokine concentration in blood serum of female CBA mice with cervical cancer (RSHM-5)

Effect of 5-hydroxypyrimidine derivatives on tumor growth and cytokine concentration in blood serum of female CBA mice with cervical cancer (RSHM-5)

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