STRUCTURAL REACTIONS OF CD-1 MICE HEART AND LIVER TO A SINGLE INJECTION OF BOROCAPTATE SODIUM
https://doi.org/10.20340/mv-mn.2023.31(3).812
Abstract
Boron neutron capture therapy is considered a promising method for the treatment of malignant tumors of the head and neck. It is believed that to increase the effectiveness of this type of therapy, the use of large doses of boron is required, which may entail damaging effects on healthy tissue. One of the substances used in the clinical practice of boron neutron capture therapy is sodium boroncaptate Na2B12H11SH (BSH), enriched with the 10B boron isotope. The purpose of the study was to study the structural reactions of the myocardium and liver of CD-1 mice after administration of BSH. A light-optical and polarization-microscopic study of the myocardium and liver of male CD-1 mice (n=56) was carried out after injection of a boron-containing substance in doses of 100 and 1000 mg/kg, once, intraperitoneally. Assessment of structural changes in the myocardium and liver was carried out 1, 3 and 7 days after BSH administration. A single injection of BSH at a dose of 100 mg/kg did not lead to the death of animals, whereas 3 hours after the injection of BSH at a dose of 1000 mg/kg, 1 animal died. The body weight of the animals changed slightly during the experiment. Analysis of heart weight showed a decrease in this indicator on days 3 and 7 compared with indicators in the same groups on day 1 of the experiment. When analyzing the dynamics of changes in liver mass, no significant changes were revealed during the experiment. The main structural changes in the myocardium included lytic and contractural damage to cardiomyocytes, hemodynamic disturbances in the form of pronounced venous and capillary congestion. Liver damage was manifested in dystrophic changes in hepatocytes, the appearance after 3 days of monocellular necrosis of hepatocytes and pericentral mononuclear infiltrates. The data obtained indicate that the used doses of BSH 100 and 1000 mg/kg with a single injection cause structural changes in the myocardium and liver of varying severity, which persist for 7 days of observation.
About the Authors
Vladimir V. KanyginRussian Federation
Candidate of Medical Sciences, Docent, Senior Researcher of the Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences; Head of the Laboratory of Nuclear and Innovative Medicine and Associate Professor of the Department of Elementary Particle Physics of the Novosibirsk National Research State University
Competing Interests:
The author declares that he did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Elena V. Koldysheva
Russian Federation
Doctor of Biological Sciences, Chief Researcher, Head of the Laboratory of Molecular Mechanisms of Pathological Processes of the Institute of Molecular Pathology and Pathomorphology of the Federal Research Center for Fundamental and Translational Medicine; Senior Researcher of the Laboratory of Nuclear and Innovative Medicine of the Novosibirsk National Research State University
Competing Interests:
The author declares that she did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Evgeny L. Zav’yalov
Russian Federation
Candidate of Biological Sciences, Head of the SPF-Vivarium of the Center for Preclinical Trials of the Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences; Researcher of the Laboratory of Nuclear and Innovative Medicine of the Novosibirsk National Research State University
Competing Interests:
The author declares that he did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Ivan A. Razumov
Russian Federation
Doctor of Biological Sciences, Senior Researcher of the Laboratory of Genetics of Laboratory Animals of the Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences; Senior Researcher of the Laboratory of Nuclear and Innovative Medicine of the Novosibirsk National Research State University
Competing Interests:
The author declares that he did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Ol'ga I. Solovyova
Russian Federation
Master of Biology, Junior Researcher of the SPF-Vivariums of the Center for Preclinical Trials of the Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences; Researcher of the Laboratory of Nuclear and Innovative Medicine of the Novosibirsk National Research State University
Competing Interests:
The author declares that she did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Aleksandr I. Kichigin
Russian Federation
Candidate of Medical Sciences, Researcher
Competing Interests:
The author declares that he did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Ekaterina A. Butikova
Russian Federation
Studentin
Competing Interests:
The author declares that she did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
Valentina I. Kapustina
Russian Federation
Candidate of Biological Sciences, Senior Researcher of the Laboratory of Clinical Morphology of the Most Important Diseases of the Institute of Molecular and General Pathology
Competing Interests:
The author declares that she did no have conflicts of interest in the planning, implementation, financing and use of the results of this study
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Supplementary files
In a study on laboratory mice of the CD-1 line, with a single injection of used in the tumor clinic for boron neutron capture radiotherapy a radioactive boron isotope preparation in the form of 10B-Borocaptate sodium at doses of 100 and 1000 mg/kg were detected structural dystrophic changes in the myocardium and liver of varying expressiveness, persisting within 7 days
Review
For citations:
Kanygin V.V., Koldysheva E.V., Zav’yalov E.L., Razumov I.A., Solovyova O.I., Kichigin A.I., Butikova E.A., Kapustina V.I. STRUCTURAL REACTIONS OF CD-1 MICE HEART AND LIVER TO A SINGLE INJECTION OF BOROCAPTATE SODIUM. Morphological newsletter. 2023;31(3):30-37. (In Russ.) https://doi.org/10.20340/mv-mn.2023.31(3).812