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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">Head and Neck Tumors</journal-id><journal-title-group><journal-title xml:lang="en">Head and Neck Tumors</journal-title><trans-title-group xml:lang="ru"><trans-title>Опухоли головы и шеи</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2222-1468</issn><issn publication-format="electronic">2411-4634</issn><publisher><publisher-name xml:lang="en">Publishing House ABV Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">889</article-id><article-id pub-id-type="doi">10.17650/2222-1468-2023-13-2-57-64</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>REVIEW</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОБЗОРНАЯ СТАТЬЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Reactive astrocytes and glioblastoma: are there new targets for more effective antitumor therapy?</article-title><trans-title-group xml:lang="ru"><trans-title>Реактивные астроциты и глиобластома: есть ли новые мишени для более эффективной противоопухолевой терапии?</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5074-6391</contrib-id><name-alternatives><name xml:lang="en"><surname>Tyagunova</surname><given-names>E. E.</given-names></name><name xml:lang="ru"><surname>Тягунова</surname><given-names>Е. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Ekaterina Evgenievna Tyagunova</p><p>Bld. 2, 8 Trubetskaya St., Moscow119991</p></bio><bio xml:lang="ru"><p>Екатерина Евгеньевна Тягунова</p><p>119991 Москва, ул. Трубецкая, 8, стр. 2</p></bio><email>katerina.tyagunova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5889-392X</contrib-id><name-alternatives><name xml:lang="en"><surname>Dobrokhotova</surname><given-names>V. Z.</given-names></name><name xml:lang="ru"><surname>Доброхотова</surname><given-names>В. З.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Bld. 2, 8 Trubetskaya St., Moscow119991</p><p>24 Kashirskoe Shosse, Moscow 115522</p></bio><bio xml:lang="ru"><p>119991 Москва, ул. Трубецкая, 8, стр. 2</p><p>115522 Москва, Каширское шоссе, 24</p></bio><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8296-6172</contrib-id><name-alternatives><name xml:lang="en"><surname>Dushina</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Душина</surname><given-names>А. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>31 Kashirskoe Shosse, Moscow 115409</p></bio><bio xml:lang="ru"><p>115409 Москва, Каширское шоссе, 31</p></bio><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sechenov First Moscow State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО Первый Московский государственный медицинский университет им. И. М. Сеченова Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.N. Blokhin National Research Institute of Oncology, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБУ «Национальный медицинский исследовательский центр онкологии им. Н. Н. Блохина» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО «Национальный исследовательский ядерный университет «МИФИ»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-09-13" publication-format="electronic"><day>13</day><month>09</month><year>2023</year></pub-date><volume>13</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>57</fpage><lpage>64</lpage><history><date date-type="received" iso-8601-date="2023-09-13"><day>13</day><month>09</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-09-13"><day>13</day><month>09</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Tyagunova E.E., Dobrokhotova V.Z., Dushina A.O.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Тягунова Е.Е., Доброхотова В.З., Душина А.О.</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Tyagunova E.E., Dobrokhotova V.Z., Dushina A.O.</copyright-holder><copyright-holder xml:lang="ru">Тягунова Е.Е., Доброхотова В.З., Душина А.О.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://ogsh.abvpress.ru/jour/article/view/889">https://ogsh.abvpress.ru/jour/article/view/889</self-uri><abstract xml:lang="en"><p><bold>Introduction. </bold>Astrocytes in the brain of a healthy person perform a number of protective functions, contribute to maintaining the functional activity of neurons and their synapses. However, in some pathological conditions, they change their phenotype to a reactive one and can both remodel damaged areas and contribute to increased aggression and invasiveness of gliomas.</p><p><bold>Aim.</bold> To comprehensively study the features of reactive astrocytes and the chemo- and radioresistance of gliomas associated with reactive astrocytes.</p><p><bold>Materials and methods</bold>. The authors analyzed articles from the databases Elsevier, pubmed, Scopus, google Scholar, Embase, web of Science, The Cochrane Library, global Health, CyberLeninka and RSCI. when selecting articles, the indexing systems of journals and the citation of articles, the scientific novelty of research, the statistical significance of the results obtained in them were taken into account, publications with duplication of the results of previous studies were excluded. In the course of the study, data on the mutual influence of reactive astrocytes and glioma cells were systematized.</p><p><bold>Results.</bold> Astrocytes of the brain of healthy people are highly variable and heterogeneous, which further complicates the interpretation of published studies. At the same time, reactive astrocytes contribute to an increase in the chemoresistance and radioresistance of gliomas of different degrees of malignancy. At the same time, the exact mechanisms for controlling the interaction between reactive astrocytes and glioma cells, which contributed to less progression and invasion of the tumor or its regression, have not yet been established. However, this direction is now actively developing and is promising due to the possibility of additional effects on gliomas.</p><p><bold>Conclusion</bold>. At the moment, there is no effective treatment that can cope with gliomas, all existing treatment methods are aimed only at increasing the life expectancy of patients with gliomas. The results of recent studies suggest that, probably, the current insufficient effectiveness of chemo- and radiotherapy may be associated with a very close relationship between tumor cells and tumor-associated reactive astrocytes due to their mutual supportive effect. Therefore, the solution to the problem of incurable patients with gliomas may lie in a complex effect on both tumor cells and their microenvironment.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Астроциты в мозге у здорового человека выполняют ряд защитных функций, способствуют поддержанию функциональной активности нейронов и их синапсов. Однако при некоторых патологических состояниях они изменяют свой фенотип на реактивный и могут как ремоделировать поврежденные участки, так и способствовать усилению агрессии и инвазивности глиом.</p><p><bold>Цель исследования</bold> – разностороннее изучение особенностей реактивных астроцитов и химио- и радиорезистентности глиом, ассоциированной с этими астроцитами.</p><p><bold>Материалы и методы</bold>. проанализированы статьи из баз данных Elsevier, pubmed, Scopus, google Scholar, Embase, web of Science, The Cochrane Library, global Health, CyberLeninka и RSCI. при отборе статей учитывались системы индексирования журналов и цитируемость статей, научная новизна исследований, статистическая значимость полученных в них результатов. Исключались публикации с дублированием результатов предыдущих работ. В ходе исследования систематизированы данные о взаимном влиянии реактивных астроцитов и клеток глиом.</p><p><bold>Результаты.</bold> Астроциты мозга здоровых людей весьма изменчивы и гетерогенны, что дополнительно усложняет интерпретацию опубликованных исследований. при этом реактивные астроциты способствуют повышению химиорезистентности и радиорезистентности глиом разных степеней злокачественности. Вместе с тем точные механизмы управления взаимодействием между реактивными астроцитами и клетками глиом, которые способствовали меньшему прогрессированию и инвазии опухоли или ее регрессии, до сих пор не установлены. Однако данное направление исследований сейчас активно развивается и является перспективным в связи с возможностью дополнительного воздействия на глиомы.</p><p><bold>Заключение</bold>. На данный момент нет эффективного лечения, способного справиться с глиомами, все существующие методики терапии направлены лишь на увеличение продолжительности жизни пациентов с глиомами. Результаты недавних исследований говорят о том, что, вероятно, текущая недостаточная эффективность химио- и радиотерапии может быть связана с весьма тесными взаимоотношениями опухолевых клеток и опухолеассоциированными реактивными астроцитами за счет их взаимного поддерживающего эффекта. поэтому решение проблемы неизлечимости пациентов с глиомами может крыться в комплексном воздействии и на опухолевые клетки, и на их микроокружение.</p></trans-abstract><kwd-group xml:lang="en"><kwd>gliomas</kwd><kwd>glioblastomas</kwd><kwd>reactive astrocytes</kwd><kwd>chemoresistance</kwd><kwd>radioresistance</kwd><kwd>age variability of astrocytes</kwd><kwd>temozolomide</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>глиомы</kwd><kwd>глиобластомы</kwd><kwd>реактивные астроциты</kwd><kwd>химиорезистентность</kwd><kwd>радиорезистентность</kwd><kwd>возрастная изменчивость астроцитов</kwd><kwd>темозоломид</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Brotchi J., Bonnal J., Gerebtzoff M.A. Astroblaste tumoral et astrocyte réactionnel: distinction histochimique par l’activité de la déshydrogénase du glutamate. 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