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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Radiation biology. Radioecology</journal-id><journal-title-group><journal-title xml:lang="en">Radiation biology. Radioecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиационная биология. Радиоэкология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-8031</issn><issn publication-format="electronic">3034-5898</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">661146</article-id><article-id pub-id-type="doi">10.31857/S0869803123010113</article-id><article-id pub-id-type="edn">JYVZVE</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>РАДИОБИОЛОГИЧЕСКИЕ ОСНОВЫ ЛУЧЕВОЙ ТЕРАПИИ ОПУХОЛЕЙ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">High Thermosensitivity of MDA-MB-231 Cells as a Prerequisite for Thermoradiosensitization of Triple-negative Breast Cancer in Clinical Practice</article-title><trans-title-group xml:lang="ru"><trans-title>ВЫСОКАЯ ТЕРМОЧУВСТВИТЕЛЬНОСТЬ КЛЕТОК MDA-MB-231 КАК ПРЕДПОСЫЛКА ДЛЯ ТЕРМОРАДИОСЕНСИБИЛИЗАЦИИ ТРИЖДЫ НЕГАТИВНОГО РАКА МОЛОЧНОЙ ЖЕЛЕЗЫ В КЛИНИЧЕСКОЙ ПРАКТИКЕ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yakimova</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Якимова</surname><given-names>А. О.</given-names></name></name-alternatives><email>anna.prosovskaya@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kabakov</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Кабаков</surname><given-names>А. Е.</given-names></name></name-alternatives><email>anna.prosovskaya@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">A. Tsyb MRRC – a branch of the National Medical Research Centre of Radiology of the Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">Медицинский радиологический научный центр им. А.Ф. Цыба – филиал Национального медицинского исследовательского центра радиологии Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-01-01" publication-format="electronic"><day>01</day><month>01</month><year>2023</year></pub-date><volume>63</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>71</fpage><lpage>79</lpage><history><date date-type="received" iso-8601-date="2025-02-25"><day>25</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, А.О. Якимова, А.Е. Кабаков</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, А.О. Якимова, А.Е. Кабаков</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">А.О. Якимова, А.Е. Кабаков</copyright-holder><copyright-holder xml:lang="ru">А.О. Якимова, А.Е. Кабаков</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0869-8031/article/view/661146">https://journals.eco-vector.com/0869-8031/article/view/661146</self-uri><abstract xml:lang="en"><p id="idm45181324837888">The work is dedicated to the analysis of thermal sensitivity and efficiency of thermosensitization to γ-radiation of three cell lines of breast cancer of different molecular subtypes. It has been established that the cells of the studied lines differ in the sensitivity to hyperthermia and, as a result, in the effectiveness of thermoradiosensitization, which raises the question of finding criteria for assessing the rationale of using hyperthermia in each specific case. It has been shown that the level of heat-responsive expression of HSP70 gene and also the level of cell genomic instability can serve as such criteria. It was found that the efficiency of thermoradiosensitization is significantly higher in MDA-MB-231 cells compared to the cells of other studied lines. The data obtained suggest that the use of hyperthermia as a radiotherapy-sensitizing co-treatment may be particularly promising toward triple negative breast cancer.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324837184">Работа посвящена анализу термочувствительности и эффективности термосенсибилизации к воздействию γ-излучения трех клеточных линий рака молочной железы различных молекулярных подтипов. Установлено, что клетки исследуемых линий отличаются по чувствительности к гипертермии и, как следствие, по эффективности терморадиосенсибилизации, что поднимает вопрос о поиске критериев оценки целесообразности применения гипертермии в каждом конкретном случае. Показано, что такими критериями могут служить уровень индукции экспрессии гена <italic>HSP70</italic> в ответ на гипертермию и уровень геномной нестабильности клеток. Установлено, что эффективность терморадиосенсибилизации существенно выше у клеток линии MDA-MB-231 по сравнению с клетками других исследованных линий. Полученные данные позволяют предполагать, что применение гипертермии в качестве сенсибилизирующего к радиотерапии воздействия может быть особенно перспективно при лечении трижды негативного рака молочной железы.</p></trans-abstract><kwd-group xml:lang="en"><kwd>breast cancer</kwd><kwd>hyperthermia</kwd><kwd>γ-radiation</kwd><kwd>thermoradiosensitization</kwd><kwd>HSP70 expression</kwd><kwd>heat shock proteins</kwd><kwd>genomic instability</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рак молочной железы</kwd><kwd>гипертермия</kwd><kwd>γ-излучение</kwd><kwd>терморадиосенсибилизация</kwd><kwd>экспрессия <italic>HSP70</italic></kwd><kwd>белки теплового шока</kwd><kwd>геномная нестабильность</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Каприн А.Д. Состояние онкологической помощи населению России в 2017 г. / Под ред.: А.Д. Каприн, В.В. Старинский, Г.В. Петрова. М., 2018. С. 18. [Kaprin A.D. 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