Effect of intratumoral implantation of barium hexaferrite, magnetite, hematite, aluminium oxide and silica on the dynamics of Erlich tumor growth and survival value of tumor-carrying mice
- Authors: Vershinina S.F.1, Evtushenko V.I.1
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Affiliations:
- Federal State Budget Institution Acad. A.M. Granov Russian Research Centre оf Radiology and Surgical Technologies Ministry of Healthcare of Russia
- Issue: Vol 20, No 1 (2020)
- Pages: 75-82
- Section: Original research
- URL: https://bakhtiniada.ru/MAJ/article/view/34107
- DOI: https://doi.org/10.17816/MAJ34107
- ID: 34107
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Abstract
Introduction. We have earlier shown antitumoral effect of barium hexaferrite implant BHF for models of two intratumoral transplantable solid tumor of mice — LIO-1 and Erlich (2 sm3 tumors). In the mentioned work on the model of a rather big sized solid Erlich tumor (3 sm3) we have studied a comparative antitumoral effect after the implantation of BHF particles with a residual magnetic field of 150 mGsm referring to particles of iron oxides with residual magnetic field that was nearing to the zerohematite (Fe2O3) and magne — tite (Fe3O4), and as well as for the control — aluminium oxide (Al2O3) and silica (nSiO2 ∙ mH2O).
Material and methods. Trials have been conducted with 70 white mice — female mice with a mass of 23–24 g. Malignant epithelial tumor of Erlich was intramuscularly transplanted into the right hind extremity. When tumors reached a size of 3 sm3, mice were divided into 6 groups whom BHF, magnetite, hematite, aluminium oxide, silica or physiologic saline were implanted, correspondingly.
Results. As a result of the conducted studies it was found that BHF being implanted into a big-sized tumor (3 sm3) has a mild antitumoral effect for all the studies periods. Particles of iron oxides — magnetite and hematite — with a magnetic field nearing the zero did not possess the antitumor effect. By the end of experiment (29 days) in all groups including a control group, death of mice at 20 to 50 percent have been seen, and tumors were significantly necrotized, whereas in a group with implantation of silica into the tumor 100 percent of mice have survived and tumors itself did not have necrosis and had even pink colouring.
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##article.viewOnOriginalSite##About the authors
Sofia F. Vershinina
Federal State Budget Institution Acad. A.M. Granov Russian Research Centre оf Radiology and Surgical Technologies Ministry of Healthcare of Russia
Author for correspondence.
Email: sofia.vershinina2010@mail.ru
ORCID iD: 0000-0002-8751-9168
SPIN-code: 5864-5627
leading researcher
Russian Federation, Saint PetersburgVladimir I. Evtushenko
Federal State Budget Institution Acad. A.M. Granov Russian Research Centre оf Radiology and Surgical Technologies Ministry of Healthcare of Russia
Email: sofia.vershinina2010@mail.ru
ORCID iD: 0000-0002-1577-4178
SPIN-code: 6167-0141
head researcher
Russian Federation, Saint PetersburgReferences
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