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Evaluation of Toxic Properties of New Glycopeptide Flavancin on Rats
статья
Статья опубликована в высокорейтинговом журнале
Статья опубликована в журнале из списка Web of Science и/или Scopus
Авторы:
Treshchalin M.I.
,
Polozkova V.A.
,
Moiseenko E.I.
,
Treshalina H.M.
,
Shchekotikhin A.E.
,
Pereverzeva E.R.
Журнал:
Pharmaceuticals
Том:
15
Номер:
6
Год издания:
2022
Издательство:
MDPI
Местоположение издательства:
Basel, Switzerland
DOI:
10.3390/ph15060661
Аннотация:
Glycopeptide antibiotics have side effects that limit their clinical use. In view of this, the development of glycopeptides with improved chemotherapeutic properties remains the main direction in the search for new antibacterial drugs. The objective of this study was to evaluate the toxicological characteristics of new semi-synthetic glycopeptide flavancin. Acute and chronic toxicity of antibiotic was evaluated in Wistar rats. The medium lethal dose (LD50) and the maximum tolerated doses (MTD) were calculated by the method of Litchfield and Wilcoxon. In the chronic toxicity study, the treatment regimen consisted of 15 daily intraperitoneal injections using two dosage levels: 6 and 10 mg/kg/day. Total doses were equivalent to MTD or LD50 of flavancin, respectively. The study included assessment of the body weight, hematological parameters, blood biochemical parameters, urinalysis, and pathomorphological evaluation of the internal organs. The results of the study demonstrated that no clinical-laboratory signs of toxicity were found after 15 daily injections of flavancin at a total dose close to the MTD or LD50. The pathomorphological study did not reveal any lesions on the organ structure of animals after low-dose administration of flavancin. Thus, flavancin favorably differs in terms of toxicological properties from the glycopeptides currently used in the clinic. © 2022 by the authors. Licensee MDPI, Basel, Switzerland.
Добавил в систему:
Малошицкая Ольга Александровна