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- Title
Effects of Combined Exposure to Carbon Ions and Protons on the Pool of MCF-7 Breast Cancer Stem Cells In Vitro.
- Authors
Matchuk, O. N.; Selivanova, E. I.; Yakimova, A. O.; Saburov, V. O.; Solov'ev, A. N.; Troshina, M. V.; Litun, E. V.; Koryakin, S. N.; Pikalov, V. A.; Abramova, M. R.; Ivanov, S. A.; Zamulaeva, I. A.
- Abstract
We studied the effects of single and combined action of protons and carbon ions 12C6+ on the pool of MCF-7 human breast cancer stem cells. Single irradiation with a beam of protons or carbon ions had no significant effects on the relative number of cancer stem cells (CSC). The effects of combined irradiation in a total equieffective dose of 4 Gy depended on the sequence of exposure to ionizing radiations: the relative number of CSC did not change after irradiation with carbon ions and then with protons, but increased in the case of the reverse sequence. The most favorable result, i.e. a decrease in the CSC pool, was observed in the case of sequential irradiation with carbon ions and protons and their equal contribution to total equieffective dose. In this case, the absolute number of CSC decreased by on average 2.1 times in comparison with the control (p<0.05). The revealed regularities are of interest for the further development of new methods of radiation therapy.
- Subjects
CANCER stem cells; PROTON beams; BREAST cancer; PROTONS; IONIZING radiation; IRRADIATION; IONS; CARBON
- Publication
Bulletin of Experimental Biology & Medicine, 2023, Vol 176, Issue 1, p82
- ISSN
0007-4888
- Publication type
Article
- DOI
10.1007/s10517-023-05971-3